Wilson Combat .223/5.56/300 BLK M16 Profile Bolt Carrier Group – Polished NiB - TR-BCA-PNIB - $177.95 (FREE Shipping over $50)

Description

Manufactured by our finest domestic, Mil-Spec contractors these are among the best AR rifle bolts on the market and the same bolt carrier groups we use as the basis of our renowned custom rifles!

The bolt is precision machined from aerospace grade 9310 tool steel, shot peened for increased strength and includes a tool steel extractor and ejector, appropriate extractor spring, and is MPI (Magnetic Particle Inspected) and randomly batch HPT (High Pressure Tested).

The extractor is 4140 gun quality, annealed, cold drawn steel per the Mil-Spec.

With a complete Black Nitride finish, the 8620 steel carrier includes a proper machined Mil-Spec gas key secured to the carrier via Grade 8 fasteners and properly staked in our shop during final inspection.

The super hard Black Nitride Finish is an advanced, lower friction surface treatment that minimizes the need for excessive lubricants and cleaning and will look like new for years and will never peel, flake or chip.

These precisely machined, finished and hardened parts will ensure long term proper gas system functioning and reliability.

All experienced AR shooters know that the best spare parts kit for an AR-15 rifle is a spare complete bolt carrier assembly!