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A Low-Mass BCG That Improves the Way Your Rifle Shoots

Though the AR-15 doesn't have a ton of felt recoil, particularly when chambered in 5.56 NATO, there's still an impact, and much of that has to do with the amount of reciprocating mass found inside the receiver in the form of the bolt-carrier group. To address this issue, ODIN Works developed its AR-15 Low Mass Bolt-Carrier Group, which has been lightened significantly while still retaining the mass and material needed for dependable performance.

Each ODIN Works AR-15 Low Mass Bolt-Carrier Group weighs in at only 9 ounces and is treated with a low-friction, black-nitride finish. The carrier itself is machined from 8620 steel, while the bolt is made from hardened 9310 steel. The company warns that the installation of this BCG will change how your gun shoots, so adjustments may be needed in the buffer system or the gas block to ensure your gun runs reliably.

ODIN WORKS INC. - AR-15 LOW MASS BOLT CARRIER GROUP

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Cartridge: 223 Remington, 5.56 mm NATO, 300 AAC Blackout

Finish: Black Nitride