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 and PC77 Will accept the Crosman LPA MIM rear sight The original rear sight that comes with any of these airgun models will no longer fit on the steel breech. If you want a rear sight, the Crosman LPA MIM rear sight is made for this kit (CR-2300-010[PY-A-4385]). *This breech does not fit older model 1377 air pistols with a sliding breech cover.