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Crosman .177 Steel Breech Kit
For Crosman 1377 P1377

  • The Crosman steel breech kits are a genuine Crosman upgrade part.

  • They replace your plastic breech on your 17xx line of pistols and rifles (1377 1740 1760 2300).

  • They are solid steel construction and infinitely more durable than the plastic breech that came on your gun.

  • They feature a 3/8" dovetail for mounting a scope.

  • The included Crosman instructions are notoriously inadequate, so I include my own 4-page printout.

  • You can convert to .177 with this breech kit plus applicable .177 barrel.

Crosman .177 Steel Breech

Upgrade from blued bolt to stainless steel bolt

Magnetized Bolt Add On

Add The Milled Plastic Rear Sight

Or, add the all-metal LPA MIM Rear Sight

Magnetized Bolt Add On