Spikes Tactical M16 Lightweight Bolt Carrier Group Nickel Boron

Spike s Tactical Lightweight Bolt Carrier Group Features: This is the same lightweight BCG that Spikes Tactical uses in their builds and it is coated with the most durable finish on the market nickel boron. Smoother and harder than hard chrome it allows this bolt carrier group to be run almost lube free for thousands of rounds. It is being adapted by the US military and many government agencies as a standard for their BCGs. Spike s Tactical M16 Bolt Carrier Group Specifications: Spike s Tactical Complete Lightweight Nickel Boron Plated M-16 BCG High pressure tested Magnetic particle inspected M-16 profile 158 Carpenter steel bolt 8620 tool steel carrier and gas key Holes for Reduced Weight (-1oz) Nickel boron coating inside and out Gas key properly staked Bolt is shot peened and HPT/MPI M-16 profile (will NOT make an AR-15 fully automatic) Weight: 10.5 oz