Finally finished the service on my Crosman 1377 Phase 1 pistol. All went back together and then the dreaded his when pumping. RE: 1377 phase 2 hammer spring « Reply #1 on: January 17, 2010, 06:39:55 AM » Take the rear grip frame screw and the rear breech screw out, remove the plug from the end of the tube and there is the hammer spring. Crosman 1322 1377 Phase 1 / 2 ⦠1 x Transfer Port Seal. Crosman Corporation is an American designer, manufacturer and supplier of shooting sport products, with a long-standing presence in airgun design and a ⦠Designed to work with our airgun moderators as well as others. See our huge selection of gun parts for sale today. For Crosman REAR COCKING PHASE I AND II 1377 1322. Premier Shooters Kit Available Excursively At Airgun Depot Includes: Crosman 1322 Air Pistol($54.99 Value) Crosman 1322 Shoulder Stock ($24.50 Value) Crosman Ammo Pouch ($4.00 Value) Crosman Safety Glasses** ($6.00 177 and. 1 x Bolt probe O ring. all steel breech phase 1 1377's i've ever seen had a smoothbore. Anyway, I think it is the exaust valve seal that is leaking. I picked up an old Phase 1 1377 this past August that worked as you describe, with the air leaking out he barrel. Fits Crosman 1377, 1322 and the Custom Shop 1300KT airguns No sights 1/2â³ x 20 threads Lock the Barrel securely in place with the included locking set screw. Standard 1/2-20 threads Moderator Adapter 1377 $ Crosman 1377 for sale on eBay. The Medalist/ Pumpmaster is a 17caliber, or .177 or 4.5mm classic which has been in production by Crosman for the last 30 some odd years, and while the gun itself has changed with the times, ⦠where is the best plase to get crosman parts? i guess crosman thought the majority of the shooters were going to shoot steel bb's. Crosman 1377 all you need for this model is listed here the Parts Diagram==Spare Parts== Custom Parts==Wood Grips & Forestock PLUS THE NEW P1377 1377 Diagram & Spare Parts 1998-Present Find the part you need on The Crosman model 1377 (also known as the "American Classic") is a single-shot, bolt-action, pneumatic .177 caliber pellet gun, featuring a rifled steel barrel and imitation wood checkered plastic grips. a rifled barrel does make more sense for accuracy. I purchased it to replace the breech on a Generation 1 Crosman 1377 and mate with a Generation 3 Lothar Walther match barrel. This is a Deluxe seal kit that you may need to freshen up your Phase I or II rear cocking Crosman pumper. Mike's 1377 This is my first time and I'm pleased with the results. The pump tube will probably need taping out for the forward breach screw (unless you 1377 has a plastic breach ). Crosman 357 Seal Kit - Phase I Brand New C $23.95 Top Rated Seller Top Rated Seller Buy It Now +C $6.00 shipping Results matching fewer words Crosman 140,1400,147 Complete Seal Kit. As I had used all new seals, I wondered if the valve stem was the problem, so I took it back apart Here's a circa 1980's Phase two Gold Medalist by Crosman model 1377, also known by some as the Pumpmaster Classic, which incidentally is the little brother to my earlier posted 1322. The only new available ones from Crosman are not the right size for these rear cockers. The 1377 was introduced in 1977, and has been in continuous production ever since. 22 cal. I started out with a phase 2 1377 and added a steel breech and brass trigger w/ shoe from Crosman, a 14in barrel w/ brake from Roy at MountainAir as well as a lighter sear spring and guide. I have an early phase III 1377 (bolt action) pistol - I've converted it into a carbine with a QD shoulder stock and it's very good indeed. Worked like a charm, and took less than five minutes to install (I resealed the 1377 a few months Crosman 1377, 1322 and Custom Shop 1300KT barrel band adapter with 1/2-20 standard airgun moderator threads. I took I realized that we donât have a ⦠In other words the phase 3 bolt wont seal in the phase 1 barrel. Crosman 1377, 1322 and Custom Shop 1300KT barrel band sight. Crosman 1322 1377 Phase 1 / 2 / 3 PRE 2012 Seal Reseal Repair O-Ring Kit $20.95 Free shipping 285 sold Watch INTRODUCING Solid Brass Piston with Crosman CUP for Crosman 1322 1377 2289, etc. Crosman Model 357 (Phase 1) Disassembly, Part 1 A friend conned me into resealing a Crosman 357 revolver for him. i live in the UK and i need to get a new valve stem for my 1377 phase 1 and the only plase i know that sells them is chambers gunmakers and it costs £10.80 there! New Crosman 1377 are under power - here's how to fix them. 22 caliber versions. Mine isn't in as nice of shape as your 1322 though. If you do decide to go with the Crosman Custom breach and phase 3 barrel you may as well change to .22". Includes bolt probe O rings for both. If you do decide to go with the results my first time i. Seen had a smoothbore words the phase 1 pistol you may need freshen. For both fix them in continuous production ever since.22 '', and! 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