American Built Arms AR-15 Small Parts Kit

The American Built Arms AR-15 Small Parts Kit is comprised of genuine, Mil-spec, high quality parts for those AR-15/M-16 small parts that wear down, break, or simply get lost. With this Small Parts Kit on hand, you'll always have the parts you need to keep your rifle running smoothly. These high-quality parts are manufactured to precise tolerances to ensure a correct fit with your 5.56 AR-15/M16 rifle. This convenient Small Parts kit contains all the parts needed to keep your 5.56 AR-15/M-16 rifle like new.Included:Firing pin retaining pinEjectorEjector springEjector pinExtractor spring with insertExtractor axleGas rings (3)"O" ring (donut)