I have a flat top in a 1322 pistol, but w/Cutter's breech so can't use the HDD. This translates into fewer pumps for the same FPS or more FPS for the same number of pumps. I think the flat top piston takes out the flex in the stock piston and the seal deforms less under pressure. Perhaps one less pump in ten? Crosman Barrel Band Screw For P1322 P1377 2289 Etc Pumpers With Longer Barrels. $30.88. Crosman New Pump Rod And Cup Seal Fit 1322 1377. I bought a 1377 at wally werld a while back and ordered a bunch of parts to customize it. Hi Guys, I've just bought a brand new Crosman 1377 and noticed it's restricted to 495 FPS like the Canadian version. $5. So, the entire kit is the: Power Hammer Spring (part of the Pumper's Pack) Max Flow Exhaust Bushing (the other half of the Pumper's Pack) Flat Top Valve; Flat Top Piston; It is my complete performance kit for the Crosman pumpers available at … Before you go all the trouble and expense of a flat top piston etc. i have done extensive mods to it thus far, lots of custom parts fitted into and onto it. RE: Flat top valve and piston question for 1377 ?? 002-0750 NEW BLUE 1377 Flat Top Piston Kit will fit the 1322 1377 2289 . Just looking for some feedback, who makes the best flat top valve and piston for the 13xx? All the DIY needs to do is extract the cup, brass piece and aluminum washer and press the plastic piston head on in place of those parts. Now you can order them straight from the crosman custom shop with out the flat tops I built one up with a 24" barrel steel breach put a crosman stock on it flat top pistons and valve polished up the trigger bits tuned it tuned it tuned it most accurate gun I have ever owned. Save crosman 1377 valve to get e-mail alerts and updates on your eBay Feed. Clear as mud, right? Author Topic: Who makes the best valve and flat top piston for a 1377? Var Crosman 2200 Magnum 1st. « previous next » Print; Pages: [1] Go Down Share This! ... NEW PUMPER POWER COMBO PUMP RP VALVE AND BRASS PISTON for Crosman 1322 1377 etc. The altidude (had to misspell to pass posting rules)is high here so I wonder if the velocity is low. READ THIS: This Is The Old GTA Forums, Which Is Now An Archive. 2)- Agrandit la chambre (plus grand diamètre). Free P&P . The piston is adjustable and includes an oiler. Drilling out a piece of 5/8" free machining steel, after turning it down a few thou. Save crosman 1377 valve to get e-mail alerts and updates on your eBay Feed. He grew and went on to centerfire rifles and shotguns so the 1377 went into disuse and storage. 1377 Flat Top Piston is easy to install and can increase performance. Hello Guys. $7.00. 568 sold, 5 available. Ratings. It supplied me with Ringneck Doves for the dinner table as well as dispatching vermin like rats. The flat top valve and piston will force more air per pump and more PSI of pressure into the valve. What is this designed to do?. 13xx series guns Flat top pistons $25. 3 product ratings - Crosman 1377 1322 SuperPack Pump RP Valve, Power Hammer Spring & Boss +25% Port . This translates into fewer pumps for the same FPS or more FPS for the same number of pumps. This amount is subject to change until you make payment. Big 22xx bulk C02 valves. This is the new Magnum Airpower LLC flat-face valve and piston kit. I've enjoyed shooting and hunting with airguns since my early teen years. For example if a stock 1377 takes 10 pumps to get 550 FPS you may be able to get the same 550 FPS on 7 pumps (or less) with the flattop setup. 002-0750 NEW BLUE 1377 Flat Top Piston Kit - gmac custom parts Popularity - 73,517 views, 32.1 views per day, 2,289 days on eBay. Long before this website, there was a site all in yellow. Messages: 2,656 Likes Received: 2,402 Location: Norfolk. I've seen people say they can get pellet to fly 600-700 fps. You will receive; One flat topped piston with two Viton o-rings, allen wrenches and instructions. PicClick Insights - High Performance PUMP RP VALVE for Crosman 1322 1377 BackPacker NO FLAT TOP Reqd PicClick Exclusive. If you cut mostly thru the brass piece with a dremel cutoff wheel then tap across slice with a hammer the brass will crack and come off easy. I have a good source of orings so converting them to flat top means if I ever have to replace the pump seal all I need is an oring, which I have a lifetime supply for just a few dollars. It's also Black with a different handle & pump compared to the older models which were Brown. If this was going to be a .22 cal. See our huge selection of gun parts for sale today. The weight of the piston makes pumping smoother and the gun is pumping 25-30% more air each stroke. I bought a 1377 at wally werld a while back and ordered a bunch of parts to customize it. The weight of the piston makes pumping smoother and the gun is pumping 25-30% more air each stroke. Also view my youtube video "Crosman 1322 Velocity test flat top piston, MV valve, 60% bushing" to see what these parts do for a stock 1322. by 100 fps. All of whom are probably hanging out with worms six feet under. Find many great new & used options and get the best deals for Flat Man's Pack Crosman 1322 1377 P1322 P1377 2289 Flat Top Valve Piston Spring at the … Fully adjustable with the highest quality viton duro. 002-0750 NEW BLUE 1377 Flat Top Piston Kit. You get more air into the valve per pump and less residual air in the compression chamber. Please Go To The NEW GTA Forums: CLICK HERE. Notice the conical end of the valve body, and the conical seal on the piston. Separate pieces can be ordered if needed. Modding my Crosman 1377. Super high amount of views. Crosman 1322 1377 Pump Arm With Lever New Style Nice Upgrade . I ordered a steel receiver from Crosman. Flat top valve and piston question for 1377 ?? Who would guess this started life as an inexpensive pistol? It flows better from the valve. Back in 1984 I bought my new Crosman model 1377 pump pistol. View cart for details. Solid brass flat-faced valve for use with a flat-top piston. FLAT-TOP VALVE & PISTON for Crosman 1377, 1322, 1300KT, 2289G - EXTREME POWER !! Re: Flat top valve and piston question for 1377 ?. I have the mellon delrin piston. Crosman P1377 American Classic Variable Pump Single Shot Air Pistol 177 Cal. 7. #224 Riverside California 92504. $29.93 . Trying to order both from the same vendor. 1377 flat top piston. Var Crosman … Fully adjustable with the highest quality viton duro. + Update your shipping location 7 S 0 P O N S O A R P A 7 E E D-1-1 U J-1 0 F J-1-1. The velocity went from 470 fps with 7.9 grain pellet to 565 with 10 pumps. Crosman-Benjamin Air Gun Gate (Moderators: Gertrude, longhunter, avator) » Who makes the best valve and flat top piston for a 1377? For example if a stock 1377 takes 10 pumps to get 550 FPS you may be able to get the same 550 FPS on 7 pumps (or less) with the flattop setup. I was wondering if it would be possible to adjust the piston so that it shoots 600 or 700fps with the same number of pumps (10) without retaining air, blowing seals, etc. Notice the very rough turning on the valve body! I converted almost all of my 13xx and 2289 to flat top. Archived. 90. orings, A must have for 13XX owners. FLAT TOP RP VALVE & BRASS FLAT TOP PISTON SET for Crosman 13XX PUMPERS $56.00 $56.00 Alchemy AirWerks Rally Ported Higher Performance Valve for 22xx Crosman CO2 Air Guns $49.00 $49.00 The High Performance PUMP RP VALVE $28.00 $28.00 Alchemy AirWerks Flat Top HP Valve … See the seller's listing for full details. At 10 pumps the flattop will give more FPS than the stock pump cup. When I moved to Maui back in early 1996 it became my son's gun, and he got quite proficient with it. MCAirguns. For additional information, see the Global Shipping Program, This amount includes applicable customs duties, taxes, brokerage and other fees. Replacing the front half with the 1400 valve will make it easier to go with a flat top piston on the pump. Crosman, brass flat-top valve body 1377, 1322, 2289, PC77. accuracy is good at 10mts, velocity can be jacked up by pumping certain number of pumps into the valve. Changed out all the plastic so its wood and metal only.Changed out the plastic piston and went with a brass piston that has a flat top with a modified valve assembly with a flat top.Replaced the trigger for an easier pull, topped off with a UTG 3x12x32mm scope, and custom grips. UK ones always have had a blow by valve in 1322's originally had a square stem 1377's had a hole at the rear sometimes 180*s to the port later they just used the rear hole in the valve loads on line and on the crosman groups on how to fettle it you could just fit a ftp and valve … Seller assumes all responsibility for this listing. This one is used and has some dings and scratches. Stock 1377's shoot in the mid 500's fps. Brand New. applicable). Anyway, I flattened the valve and got a brass flat top piston. Alliance Hobby Flat Man's Pack All My Pumper Performance Mods for Crosman 1322 1377 2289 P1322 P1377: The Flat Man's Pack contains Pumper's Pack and the Flat Top Valve Kit. The idea is that by giving the gun a larger air reservoir, you can do more work per … CUSTOM VALVE & PISTON for Crosman 1377, 1322, 1300KT, 2289G - EXTREME POWER !! This valve is a performance upgrade, but DOES NOT REQUIRE the flat top adjustable piston. Crosman 1377 1322 SuperPack Pump RP Valve, Power Hammer Spring & Boss +25% Port . Posted by. The valve body, cap and piston head are machined from 7075 aluminum. All My Pumper Performance Mods for Crosman 1322 1377 2289 P1322 P1377: The Flat Man's Pack contains Pumper's Pack and the Flat Top Valve Kit. Holds a little more air than the modern aluminum valves do. Used to big guns. The older UK models were 600 FPS, and according to several retailers I've phoned here in the UK - these are now no longer available here & a distant memory. The stock valve assembly and piston. 1377 Custom Parts. Nice and flat with a fine finish. This amount is subject to change until you make payment. Super high amount of views. Non-adjustable piston. 951-532-4715 9am - … Top … I am sure you will enlighten us all. The flat top valve and piston will force more air per pump and more PSI of pressure into the valve. Copyright © 1995-2020 eBay Inc. All Rights Reserved. Introducing Solid Brass Piston With Crosman Cup For Crosman 1322 1377 2289 Etc . This power combo greatly improves the power of the pumper guns by combining our extremely popular Pump RP valve that has been further flat topped on its face... and our NEW (Oct. 2016) solid BRASS non-adjustable flat top piston.Yes, you read that right. .038" CUSTOM HAMMER SPRING for Crosman 1377, 1322, 2240, 2300KT, 2400KT, 1300KT, UPGRADE GRIPS for Crosman 2240, 2300T, 2300S, 2300KT, 2400KT, 1377, 1322, 2289G, .042" MAGNUM HAMMER SPRING for Crosman 1377, 1322, 2240, 2300KT, 2400KT, 1300KT, COMPACT POWER ADJUSTER for Benjamin Discovery, Maximus & Crosman 2260 - BLACK, HIGH-PERFORMANCE AIRGUN OIL for Crosman 1377, 1322, 2240, 2400KT, 2300 SERIES, 12g CO2 Capsule Adaptor w/88g Tank Thread for PCP Airgun Rifle SIG SAUER MPX/MCX, crosman 2240 dual rail system top and bottom, CUSTOM TANK BLOCK for Crosman 2240, 2250, 2260, 2300KT, 2400KT & custom builds, Crosman 1399 Black Custom Shoulder Stock Polymer for Airgun Pistols, Crosman Deluxe Two Stage Adjustable Trigger System With Hammer 2240 2250, CUSTOM TRIGGER fits Crosman 1377, 1322, 2240, 2300KT, 2400KT, 1300KT, 2300S, "THE STOCK STASH" Accessory Pouch AOR1-DESERT fit CROSMAN #1399 Stock, 2250 1322, SHORT VALVE CAP for BULK-FILL & PCP CONVERSIONS Crosman 2240, 2300, 2400KT, 2260, A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is. I ordered the shoulder stock from Airguns of Arizona, a flat top valve and piston from Charlie Mellon, a solid pin from Charlie and a stainless steel long probe bolt from Charlie. 1377 Flat Top Piston is easy to install and can increase performance. Buy It Now. Needed for Flat Top set ups. It fits virtually every flat top piston Crosman ever made. C $64.22. (Read 16508 times)) stilkikin. The guide and piston shaft are faithful copies from the Early Crosman adjustable piston from the 760 rifle.With the Modern guns Valve machined flat the same piston that is still in use in 40 year old guns can pump your 1322 or 1377. td_boy Donator. Brass Custom Parts . New Crosman 1377 are under power - here's how to fix them. 7 pumps will do the same as 10 pumps with the standard … 3)- Diminuer l'axe de la valve de 1mm. This makes this valve pretty much plug and play without that additional expense or adjusting hassle. Crosman 1377 … Flatman. Something went wrong. 90. orings, A must have for 13XX owners. MAGNUM VALVE for Benjamin Discovery & 22XX PCP/HPA conversions EXTREME POWER !!! $19.00. This translates into fewer pumps for the same FPS or more FPS for the same number of pumps. With standard valve stem $45. The valve was disassembled. Reevo17 likes this. 1; 2 → Cart. Chris Dowling put together this 1377 rifle that has been converted to .22 caliber. Which for the most part you yourself had to mod and make yourself or send it to so.some. For example if a stock 1377 takes 10 pumps to get 550 FPS you may be able to get the same 550 FPS on 7 pumps (or less) with the flattop setup. This one is used and has some dings and scratches. Sent my stock 1377 valve to charles mellon and he modded it into a flat valve, I bought the Flat piston from the yellow classifieds (with a strange pin at the flat end, see pics) . Let me leave you with a short video clip that will let you see and hear the device in action: Author: Geo. No New Post Nor New Registrations Allowed Here. From United States +C $13.25 shipping. 13xx pump arm pin with clips to replace roll pin. The pumper flat-top piston kit... can someone explain this to me? Find many great new & used options and get the best deals for Flat Man's Pack Crosman 1322 1377 P1322 P1377 2289 Flat Top Valve Piston Spring at the best online prices at … Crosman 1377, 1322 and Custom Shop 1300KT barrel band sight. Plug & Play with Your standard Piston. I recently bought crosman 1377 Canadian version (495fps max) i was curious if I change into flat top piston/valve, will it make the gun strong as or more than stock American 1377? It has a 24″ barrel, lighter valve spring, angled and enlarged valve and barrel ports, reduced valve stem, and poly port. 568 sold, 5 available. I'm looking for ways to increase the velocity on my 1377. More × I understand that the 1377 and 2289's are made with the aluminum valves, but was inquiring as to whether or not their CO2 counterparts (2240, etc) use the aluminum valves now as well. I just bought a 1377 with a flat top piston tuned to shoot .22 cal at 500fps. J'ai procéder a une transformation de la puissance du Crosman 1377 C (4,5mm) comme suite: 1)- j'ai enlever 2 filets de filetage. I guess it's shopping for another flat top piston. i own a crosman 1377c multi-stroke pnuematic pistol. With the flat-top piston, the distance had to be close as there is nothing to compress once you are metal-to-metal on the piston flat face to the matching surface of the valve. Brand New. I sell flat top pistons and convert the valve along with seals and up rated pivot pins ped, Jan 28, 2019 #2. During my move back to … If I understand this correctly, Only difference is between CDN and American version is that the Canadian version has modified valve to lessen the air volume. in this video we give you the news on why your US full power valve is not as fast as it use to be, very interesting i must say ... New Oem Crosman 1377 1322 Rebuild Kit W Complete Oem Valve Plus Piston Cup. What is the difference between this setup and the stock Crosman setup? {"modules":["unloadOptimization","bandwidthDetection"],"unloadOptimization":{"browsers":{"Firefox":true,"Chrome":true}},"bandwidthDetection":{"url":"https://ir.ebaystatic.com/cr/v/c1/thirtysevens.jpg","maxViews":4,"imgSize":37,"expiry":300000,"timeout":250}}, West Hatfield, Massachusetts, United States. Customer ratings for 002-0750 NEW BLUE 1377 Flat Top Piston Kit. BRASS POWER ADJUSTER fits Crosman 1377, 1322, 1300KT, 2289G Backpacker & PC77, MAGNUM HAMMER for Crosman 1377, 1322, PC77, 2289G Backpacker, 1300KT, CUSTOM PIVOT PIN for Crosman 1377, 1322, 1300KT, 2289G, PC77, P1377, P1322, BARREL BAND for LONGER BARREL Crosman 1377, 1322, 1300KT, PC77 - UPGRADED SCREW, CUSTOM .22 BOLT & HANDLE for Crosman 1322, 2240, 1300KT, 2300KT, 2400KT - BRASS. I ordered a steel receiver from Crosman. + Update your shipping location 7 S 0 P O N S O A R P A 7 E E D-1-1 U J ... Flat Man's Pack Crosman 1322 1377 P1322 P1377 2289 Flat Top Valve Piston Spring. So, the entire kit is the: Power Hammer Spring (part of the Pumper's Pack); Max Flow Exhaust Bushing (the other half of the Pumper's Pack) This mod was second on the list after flat top/piston valve. That pump arm is locked solid at 3/4" and the flat-top setup but with the cup-type piston (factory setup) 3/4" seems about right. Installed an adjustable folding stock to make a carbine. Eradicator; Sharp Shooter; Posts: 584; Knoxville, TN; Who makes the best valve and flat top piston … Facing the end of the valve intake end. Login with username, password and session length. It has a Daq breech, Mountain Air flat top valve and piston. Post subject: Crosman 2289 and 1377 valves.... American valves? PicClick Insights - High Performance PUMP RP VALVE for Crosman 1322 1377 BackPacker NO FLAT TOP Reqd PicClick Exclusive. HIGH PERFORMANCE ALCHEMY FLAT TOP PORTED HP VALVE for Crosman 1322 1377 2289 etc. DOES NOT REQUIRE the flat top adjustable piston . I was wondering if it would be possible to adjust the piston so that it shoots 600 or 700fps with the same number of pumps (10) without retaining air, blowing seals, etc. Change to a flat top valve, increase valve volume, port valve, change to flat top piston with a brass piston cup, change valve pin to a delrin one, change valve spring, change hammer spring, change plastic breech to a steel one or better yet, a RJ breech and port it also, change stock barrel to at least a 16 inch barrel and port breech end. Crosman, brass flat-top valve body 1377, 1322, 2289, PC77. The guide and piston shaft are faithful copies from the Early Crosman adjustable piston from the 760 rifle.With the Modern guns Valve machined flat the same piston that is still in use in 40 year old guns can pump your 1322 or 1377. New 002-0750 NEW BLUE 1377 Flat Top Piston Kit £ 36.00. plus delivery . Holds a little more air than the modern aluminum valves do. build I would use the check valve and spring from the bottom valve since this would give me more volume. 4)- Casser l'angle de port d'échappement. Brass is the preferred valve material by custom builders due to it's corrosion resistance and strength when used for flat-top setups. 17130 Van Buren Blvd. The custom piston pin is machined from tool steel with radiused ends to match the internal tube contour. Joined: Fri Feb 12, 2010 6:42 am Posts: 10 I was considering picking up a 2289 or a 1377 for some casual plinking, and was wondering if someone could tell me whether or not these two guns use the same valves? 5.0 out of 5 stars. $14.95. 3 pc set with cart end, rear tube and breech $45 per set. This will probably be my last modification post on the 1322 until that valve and piston come in. Crosman 22xx series $65 ... 13xx custom Flat Top valves, $25. Flatman. Fits Crosman 1377, 1322 and the Custom Shop 1300KT airguns No sights 1/2″ x 20 threads Lock the Barrel securely in place with the included locking set screw. 3 years ago. Share on Facebook - opens in a new window or tab, Share on Twitter - opens in a new window or tab, Share on Pinterest - opens in a new window or tab, This amount includes applicable customs duties, taxes, brokerage and other fees. Use with … Read More $ 78.95 Add to cart. If you reside in an EU member state besides UK, import VAT on this purchase is not recoverable. I have read that getting a flat-top valve/piston combination would work, however others have claim it doesnt increase the velocity. Logged Argentine, Michigan; Hamerli AP20 Sumatra 2500 500cc .25 cal Hatsan M-125 TH .25 cal Benjamin Discovery .22 cal Crosman 140 2nd. Depending on who you listen to, with the shoulder stock screwed on it'll be classed as a rifle! Popularity - 73,517 views, 32.1 views per day, 2,289 days on eBay. I like the look of the AC Custom piston but the valve is out out of stock. Top Rated Seller. ... One day, I was planning on maybe going to a longer barrel and a flat top valve/piston conversion. Page created in 0.303 seconds with 22 queries. Solid brass flat-faced valve for use with a flat-top piston. I opted to purchase a flat top piston and valve. All Crosman 1377 1998-Present. I didn't do it for performance reasons but more for ease of repair in the future. u/Mike_ate_Sully. Close. New Fiber Optic Match Grade Rear Sight For Crosman Steel Breech 2240 1377 Etc . Does this valve diesel if oil gets into it? £46.59. The flat top valve and piston will force more air per pump and more PSI of pressure into the valve. by 100 fps. Crosman 2240 1377 1322 1399 Compatible Red Dot Mount Rail. C $119.21. It’s getting 530 fps with Premiers, but he hopes to increase this with a flat top piston. Posted: Fri Feb 12, 2010 6:51 am . I am anxious for your theory. This innovative combo is a drop in replacement for the stock valve and piston. Just got my first air pistol ever, crosman 1377. At 20 pumps, our customers report well over 100 additional fps in both .177 and .22 calibers.The flat top valve and the flat top non-adjustable piston makes each pumping stroke a little more efficient than the non-flat top setup. Crosman 1377 for sale on eBay. Mountain Air bolt and probe, Blue fork Barrel band, TKO shroud, Crosman 24″ barrel, Muzzle mac stainless steel screw kit, Muzzle mac wire stock, RB laminate grips, Air gun Smith trigger, Mountain Air trigger guide and spring, Barska scope, and BKL mounts. I got everything put together today. $17.88. I ordered the shoulder stock from Airguns of Arizona, a flat top valve and piston from Charlie Mellon, a solid pin from Charlie and a stainless steel long probe bolt from Charlie. FLAT-TOP VALVE & PISTON for Crosman 1377, 1322, 1300KT, … price: $30.00 ea. For now I'm going with the front half of the 1400 valve (top) screwed to the rear half of the 1377 valve (middle). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. 35 sold. The piston base is machined from black Delrin for ultra-smooth pumping and to function as a compression buffer to help protect metal parts from … Aluminum Flat Top Valve & Piston Kit For Crosman 1322 1377 2289 P1322 P1377: The Flat Top upgrades are immensely popular with Crosman pumper enthusiasts. If you cant DAZZLE\'em with brilliance, BAFFLE\'em with B.S!! $32.88 + $3.00 shipping Modding my Crosman 1377. The "flat top" piston is really only a pumping efficiency modification and has nothing to do with valve potential energy... only less pumps. Brass end cap set for 22xx guns. I just bought a 1377 with a flat top piston tuned to shoot .22 cal at 500fps. I intended the HDD for a carbine I am building (19" bbl)with the Crosman breech, and based on Steve's post thought it might help by itself. For additional information, see the Global Shipping Program. Maverick Custom Airguns. It has a Daq breech, Mountain air flat top valve and got a flat! You make payment restricted to 495 FPS like the look of the valve body and... 36.00. plus delivery brokerage and other fees for 1377? SuperPack pump RP valve for 1322. Internal tube contour certain number of pumps with Longer Barrels piston head are machined from 7075 aluminum £... You reside in an EU member state besides UK, import VAT on purchase... The check valve and piston head are machined from tool steel with radiused ends Match! Fri Feb 12, 2010 6:51 am installed an adjustable folding stock to make a carbine huge of... For additional information, see the Global Shipping Program, this amount is subject to change until make! 45 per set to fix them additional information, see the Global Program... The valve is out out of stock allen wrenches and instructions to.22... For Performance reasons but more for ease of repair in the future up by pumping certain number pumps. The flex in the stock Crosman setup Oem valve plus piston Cup or adjusting hassle with the stock... If this was going to be a.22 cal of repair in the.! Velocity went from 470 FPS with Premiers, but w/Cutter 's breech so ca n't use HDD. Clip that will let you see and hear the device in action: author: Geo plus Cup. Benjamin Discovery & 22XX PCP/HPA conversions EXTREME POWER!!!!!!!!! Rp valve, POWER Hammer Spring & Boss +25 % Port la chambre ( plus diamètre. I guess it 's also Black with a flat-top piston Kit will Fit the 1322 until that valve and question! Had to misspell to pass posting rules ) is high here so i wonder the.... new Oem Crosman 1377 and noticed it 's corrosion resistance and strength when used for flat-top setups 500 FPS... Lots of custom parts fitted into and onto it from 470 FPS with,... Views, 32.1 views per day, 2,289 days on eBay 've enjoyed shooting and with... I guess it 's restricted to 495 FPS like the Canadian version to replace roll pin & PCP/HPA... Will receive ; one flat topped piston with Crosman Cup for Crosman 1322 1377 2289 etc the... & pump compared to the new magnum Airpower LLC flat-face valve and piston question 1377! Converted to.22 caliber stock valve assembly and piston head are machined from 7075 aluminum, who makes best. But more for ease of repair in the future for sale today for Benjamin Discovery.22 cal piston is! In yellow head are machined from 7075 aluminum 1377 1322 SuperPack pump RP,! Here 's how to fix them just got my first air pistol 177 cal piston the! Innovative COMBO is a drop in replacement for the stock valve and piston expense or hassle. Pumps into the valve the Old GTA Forums: CLICK here with Cup! Ends to Match the internal tube contour have claim it doesnt increase the velocity went 470! 1377, 1322, 2289, PC77 short video clip that will let you see and hear the in! $ 65... 13xx custom flat top piston and valve out out stock... Is subject to change until you make payment on my 1377 translates into fewer pumps for the dinner as! The flattop will give more FPS than the stock valve assembly and.... Stock 1377 's shoot in the compression chamber out the flex in the compression chamber the Global Shipping,... Boss +25 % Port together this 1377 rifle that has been converted to.22 caliber 1984 i bought my Crosman... For 13xx owners the new magnum Airpower LLC flat-face valve and piston i if. A few thou have done extensive mods to it thus far, lots of custom parts fitted into and it. Which for the same FPS or more FPS than the stock Crosman setup... new Oem Crosman 1377 under..., a must have for 13xx owners 1322 Rebuild Kit W Complete Oem valve plus piston Cup Compatible Red Mount... Uk, import VAT on this purchase is not recoverable BAFFLE\'em with!...: 2,402 Location: Norfolk this website, there was a site all in.. Installed an adjustable folding stock to make a carbine makes this valve pretty much plug play! » Print ; Pages: [ 1 ] Go Down Share this on who you listen to with!, Michigan ; Hamerli AP20 Sumatra 2500 500cc.25 cal Hatsan M-125.25... - 73,517 views, 32.1 views per day, 2,289 days on eBay and he got quite proficient with.... Pump Arm pin with clips to replace roll pin an Archive valve body cap... And flat top piston customs duties, taxes, brokerage and other fees piston etc to the older which... 1377 valve to get e-mail alerts and updates on your eBay Feed it my! That will let you see and hear the device in action: author: Geo Premiers but!, import VAT on this purchase is not recoverable of stock in crosman 1377 flat top piston and valve 1322 pistol, w/Cutter! The device in action: author: Geo fitted into and onto it hunting airguns. Stock valve assembly and piston... 13xx custom flat top piston on the valve 1377... The list after flat top/piston valve on your eBay Feed allen wrenches and instructions, 2289G - POWER. Save Crosman 1377 1322 Rebuild Kit W Complete Oem valve plus piston Cup PCP/HPA conversions POWER. If this was going to a Longer Barrel and a flat top picclick! Wrenches and instructions top valves, $ 25 Spring from the bottom valve this! 2010 6:51 am who you listen to, with the 1400 valve will make it easier to Go with different... Besides UK, import VAT on this purchase is not recoverable W Complete Oem valve plus piston Cup 2,289. Print ; Pages: [ 1 ] Go Down Share this B.S!. Became my son 's gun, and he got quite proficient with it when i moved Maui. New 002-0750 new BLUE 1377 flat top piston to make a carbine by custom builders due it... Argentine, Michigan ; Hamerli AP20 Sumatra 2500 500cc.25 cal Benjamin Discovery.22 cal Crosman 2nd... Match the internal tube contour American Classic Variable pump Single Shot air pistol 177 cal Discovery & PCP/HPA... And scratches a 1322 pistol, but w/Cutter 's breech so ca n't the! Have for 13xx owners: Fri Feb 12, 2010 6:51 am Crosman model 1377 pump pistol 2 -... The 1377 went into disuse and storage in the compression chamber with two Viton o-rings, allen wrenches instructions! Planning on maybe going to be a.22 cal Crosman 140 2nd Michigan ; Hamerli AP20 Sumatra 500cc... Parts fitted into and onto it... can someone explain this to me last modification on... Seal deforms less under pressure: 2,656 Likes Received: 2,402 Location:.... Plus grand diamètre ) a short video clip that will let you see and hear the in... One flat topped piston with Crosman Cup for Crosman 1377 and noticed 's! ] Go Down Share this crosman 1377 flat top piston and valve.22 caliber the device in action: author: Geo Performance. The pumper flat-top piston Kit: Fri Feb 12, 2010 6:51 am valve. Cap and piston for ease of repair in the stock pump Cup new 002-0750 new BLUE 1377 top... I just bought a 1377? steel breech 2240 1377 1322 Rebuild Kit W Complete Oem plus... If you cant DAZZLE\'em with brilliance, BAFFLE\'em with B.S!!!!. The shoulder stock screwed on it 'll be classed as a rifle the valve body, cap and piston £... Out of stock pressure into the valve, 32.1 views per day, days. Flat-Top valve/piston combination would work, however others have claim it doesnt increase the velocity someone explain this me. For ways to increase this with a flat-top piston, Crosman 1377 valve to get e-mail alerts and on. Down Share this innovative COMBO is a drop in replacement for the same FPS or more FPS for same! Flattop will give more FPS for the most part you yourself had to mod and make yourself or send to! Is subject to change until you make payment and a flat top Reqd picclick Exclusive the. See the Global Shipping Program with Ringneck Doves for the stock valve and brass with... Adjustable folding stock to make a carbine customer ratings for 002-0750 new BLUE flat! 2289 and 1377 valves.... American valves brass flat-top valve body, cap and piston question for 1377? cal! In yellow and flat top piston on the 1322 until that valve and.! Went into disuse and storage & pump compared to the older models which were Brown into and onto it use! The compression chamber Forums, which is Now an Archive for another flat top piston Kit Global! 2289, PC77 whom are probably hanging out with worms six feet under here 's to... The 1377 went into disuse and storage … Crosman, brass flat-top valve body 1377, 1322,,! More volume: Norfolk see and hear the device in action: author: Geo clips to replace roll.! After flat top/piston valve but the valve body, and he got quite proficient with it rifle. 565 with 10 pumps Style Nice Upgrade replacement for the same FPS more! Turning on the list after flat top/piston valve new Oem Crosman 1377 valve to get e-mail alerts updates... With clips to replace roll pin the 1377 went into disuse and storage is. Went into disuse and storage 's shopping for another flat top Reqd Exclusive!