Brownells introduces its new lightweight M16/AR-15 bolt carrier groups, designed to reduce mass while maintaining reliability. The carriers feature cutouts on the tail and sides, with the M16 notch retained for full-auto compatibility. Available finishes include matte black nitride, nickel boron, and titanium nitride (gold). The bolts are standard AR-15 bolts, made from 9310 steel, magnetic particle inspected, and properly staked.
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