Griffin Armament Enhanced Mil-Spec Bolt Carrier Group - 5.56 NATO - GAEBCG - $139.95 (FREE Shipping over $50)

Description

The Griffin Armament Enhanced 5.56 Bolt Carrier Group is fully billet machined from premium materials and finished in a QPQ Melonite for improved lubricity and surface smoothness. The carrier is machined from 8620 steel and the bolt is machined from 9310 steel. The bolt is properly heat treated, shot peened, and ground after heat treat. The cam pin and extractor are machined from 4340 and features the latest 15,000 round extractor spring design with a Crane O-ring for long term reliability. The gas key is installed with Permatex and staked per military specifications. The Griffin Armament Enhanced Mil-Spec Bolt Carrier Group is built to last a lifetime.

Features:

8620 carrier
9310 bolt
Shot peened, MPI, and HPT
4340 cam pin and extractor
15,000 round count rated extractor spring
Crane O-ring
Fully billet machined
Melonite QPQ finish
Properly staked gas key