Crosman 1377SBPK Steel Breech Kit .177 Caliber 1377SBPK

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Ideal for upgrading Crosman 1377, 1740, 1760 and PC77 .177 caliber air pistols and the 1760 air rifle, the Crosman 1377SBPK steel breech kit provides a stronger breech and bolt assembly that enhances accuracy. It also features 3/8 inch dovetails for attaching a scope or suitable rear sight.
Specifications and Features:
Attach your favorite dovetail accessories to your 1377, 1740, 1760 and PC77
Superior look
Alleviates the need to purchase separate parts
All steel construction
May improve your accuracy
Provides durability
Attach with just the use of the two hex wrenches included and a flat head screwdriver
This breech will not fit the older 1377 pistols with a sliding breech cover
Does not support mounting of original rear sight
Will support mounting of the LPA MIM sight
Dovetail groove