5.56x45mm NATO Mil-Spec BCG Nitride Black
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specifications

Manufacturer:

Faxon Firearms

Platform:

AR-15

Caliber:

5.56 mm NATO

Finish:

Nitride

    5.56x45mm NATO Mil-Spec BCG Nitride Black

    Caliber Manufacturer Color Weight Merchant Price Merchant URL
    5.56 mm NATO Faxon Firearms None None None $133.40 Brownells Add

    Prices last checked September 2026. Prices and availability change often, so confirm on the retailer's site.

    When picking components for your next mil-spec rifle build, having high-quality internal components that are guaranteed to mesh with your other mil-spec parts is a must, and the Faxon Firearms M16 Bolt-Carrier Group is designed to do just that. Machined from 9310 tool steel, the Faxon Firearms M16 Bolt-Carrier Group is heat-treated and shot-peened to military specifications and features a number of other features to enhance reliability, such as chamfering on the rear of the locking lugs. The BCG includes a spring, insert and Crane O-ring already installed. Designed for 5.56 NATO All-black finish Salt-bath Nitride treated Magnetic particle inspected Tha Mfg: Faxon Firearms

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