Our complete bolt assembly is precision machined from Carpenter No. 158 steel, shot-peened for increased strength and a includes a tool steel extractor and ejector, appropriate extractor spring, and is HPT (High Pressure Tested) and MPI (Magnetic Particle Inspected).
The extractor is 4140 gun quality, annealed, cold drawn steel per the Mil-Spec. The bolt is the heart of any rifle and these will serve you well as a backup part or the beginning of a new build.
|Product ReviewsClick here to review this item|
|Had to have a Spare...||12/21/2016|
|Bought this spare 5.56 bolt JIC the OEM goes down or Murphy pays a visit. Bought when WC had em on sale, couldnt go wrong with people who know quality and having done business with WC for some time now. Headspaced/TEST-fired and stuffed inside my BCM grip. Gtg. Thanks Wilson|
|- M. Hatch, TX|
|one of those you just gotta have||1/7/2014|
|Picked up 2 of the bolts for spares just incase a gun goes down, Didnt find any MPI marking on either, But if Wilson says they have been tested I have no reason to not believe. Been buying Wilson parts since the early 90s This shop doesnt deal in junk|
|- randy calton, MI|