Return the rifle to original Colt factory specifications. Includes extra-power (XP) recoil spring that improves reliability and function.
AR-15, Issue:11, Page:032
Big Book Catalog, Issue:70, Page:031
SPECS: Includes one each of the following: bolt catch spring, buffer retainer spring, charging handle latch spring, disconnector spring, dust cover spring, ejector spring, extractor spring, forward assist spring, front sight retainer spring, hammer spring, magazine catch spring, trigger spring.