Angstadt Arms Angstadt Bolt Carrier Group BCG 5.56 AR-15 Black Nitride
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Angstadt Arms
Overview
The Angstadt Arms Bolt Carrier Group (BCG) is designed for the 5.56 NATO caliber and features an M16 style bolt carrier, which provides enhanced reliability and smoother cycling during operation. Its nitride finish not only improves corrosion resistance but also contributes to reduced friction, allowing for better overall performance in your AR-15 build. This BCG is commonly found in builds aimed at maximizing reliability and durability, especially in competitive shooting and tactical applications.
Specifications
Build history on GunPartPicker
Builders have been adding the Angstadt Arms Angstadt Bolt Carrier Group BCG 5.56 AR-15 Black Nitride to their builds on GunPartPicker since March 2026. All time, it ranks #136 of the 441 bolt carrier groups builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today all 6 retailers we track have it in stock. It dipped to $113.99 at Ammunition Depot for a stretch in August 2026, under its usual $118.99 to $139.99, so sales do come around. Buying today, the lowest price is $122 at KY Gun Company, above August's low of $113.99, so a better deal may come back.
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