Brownells BRN M16 Lightweight Bolt Carrier Group 5.56 NATO Nitride AR-15

The Brownells BRN M16 Lightweight Bolt Carrier Group is a drop-in replacement designed for AR-15 platforms chambered in 5.56mm NATO. Featuring a durable nitride finish for enhanced corrosion and wear resistance, this BCG offers the reliability of an M16-profile carrier in a reduced-weight package. Compatible with standard AR-15/M16 lower receivers, it's a solid upgrade or replacement option for shooters looking to reduce overall rifle weight without sacrificing function.