I hope this helps some of you guy's. Im no pro but i tryed.alot of you asked for this.BTW it's a.050 allen key for the breech screw not.05. TUNE-UP O-RINGS KIT for Crosman 1377 1322 Older Phase I and II Pump Air Guns that cock from the rear Oring kit to freshen up your rear cocker Phase I or II Crosman Pumper. If your gun cocks from the rear (has no right side bolt / handle), then this is your reseal kit. If it DOES have the right side bolt action then it needs my other reseal kit.

Crosman 1377 Repair Manual Pdf

• New flat top piston and valve from mellonair.

  Go to Crosman web site, download the parts and operator manual. Then order the parts from Crosman by phone. Easiest and cheapest way.

  Go to Crosman web site, download the parts and operator manual. Then order the parts from Crosman by phone. Easiest and cheapest way.

  Roy at Mountain airguns is your man. One stop shop for crosman parts, sales and repair.

  Roy at Mountain airguns is your man. One stop shop for crosman parts, sales and repair.

  Was always under the impression thats the function of the forum. Glad i could help.

  Was always under the impression thats the function of the forum. Glad i could help.

• My Account

• Crosman, Benjamin, Sheridan
• Gas springs

Crosman 1377 Repair Manual Transmission

• 123 ... 18Next

• Crosman .22-Cal Steel Breech Kit, Fits 2240, 2250, 2260, 2289 & 1322 Air Guns

  * Crosman .22-cal. steel breech kit * Fits Crosman airgun models 2240, 2250, 2260, 228...

  In-stock

  Add to Compare

• Crosman .177-Cal Steel Breech Kit, Fits 1377, 1740, 1760 & PC77 Air Guns

  * Crosman .177-cal. steel breech kit * Fits Crosman airgun models 1377,* 1740, 1760 an...

  In-stock

  Add to Compare

• Crosman LPA MIM Rear Sight, For Crosman Guns with a Steel Breech

  Crosman LPA MIM rear sight * Adjustable for windage and elevation * Does not fit 3/8'...

  In-stock

  Add to Compare

• Crosman Barrel .22 14.6' long

  Crosman 2250-019 Barrel * 14.6' Barrel * .22 Caliber * Will fit Crosman 1322,...

  In-stock

  Add to Compare

• Crosman .22 Cal Steel Breech Kit & LPA Rear Sight

  Crosman .22-caliber steel breech kit and LPA rear sight * Crosman .22-cal. steel breech kit ...

  In-stock

  Add to Compare

• CR Nitro Piston, Fits Select Benjamin & Crosman Air Rifles

  Replacement Crosman Nitro Piston * Fits Benjamin Trail and Crosman Nitro Venom air rifles ...

  In-stock

  Add to Compare

• Crosman .177 Cal Steel Breech Kit & LPA Rear Sight

  Crosman .177-caliber steel breech kit and LPA rear sight * Crosman .177-cal. steel breech kit...

  In-stock

  Add to Compare

• Crosman NP214-001 Trail Baffle

  Crosman Np214-001 Trail Baffle * Moderator baffle insert * Fits Trail, Steel Eagles,...

  In-stock

  Add to Compare

• In-stock

  Add to Compare

• Crosman Benjamin Titan Piston Seal

  Crosman part.

  Only 3 left in stock

  Add to Compare

• Crosman Nitro Piston Conversion, Fits Walther Falcon Hunter, Talon Magnum, and Hatsan Torpedo & 125 Rifles

  You will be charged shipping during the checkout process. That's the charge to send your gun back t...

  In-stock

  Add to Compare

• Crosman Piston Spring, Fits Optimus Breakbarrel air rifle

  Crosman Piston Spring * Fits Crosman Optimus models CO8M22X, CO1K77X and CO1K77 * Fit...

  In-stock

  Add to Compare

• Fill Port/Check Valve for Crosman and Benjamin

  Fill Port/Check Valve for Crosman and Benjamin PCP * Fits all Crosman/Benjamin PCP Air...

  In-stock

  Add to Compare

• Crosman Service Station Soldered Valve Wrench, Fits Select Benjamin Air Guns

  * Crosman service station soldered valve wrench * Fits select Benjamin air guns

  In-stock

  Add to Compare

• Crosman O-Ring, NPSS & Vantage Rifles

  * Crosman o-ring * Breech seal for NPSS and older model Vantage rifles

  Only 1 left in stock

  Add to Compare

• Crosman Piston Seal, Fits NPSS, New NPS & Older Vantage Air Rifles

  * Crosman piston seal * Fits NPSS, newer NPS and older-style Vantage air rifles * ...

  Out of Stock

  Add to Compare

• Only 3 left in stock

  Add to Compare

• Crosman Spring, Spcl, Urethane .437

  Only 3 left in stock

  Add to Compare

• Benjamin Discovery Valve Assembly

  Replacement valve assembly for Benjamin Discovery air rifles.

  Out of Stock

  Add to Compare

• Benjamin Marauder Pressure Tube

  Benjamin Marauder Pressure Tube * Fits Benjamin Marauder PCP Air Rifle

  Out of Stock

  Add to Compare
• 123 ... 18Next

Crosman 1377 Repair Manual Tool