The Battle Arms Development M16 Bolt Carrier Group is a precision-engineered component designed to enhance the performance of your firearm. Crafted for compatibility with the AKK 5.56 mm NATO cartridge this bolt carrier group ensures reliable cycling and optimal function. The sleek black nitride finish not only provides a durable and corrosion-resistant surface but also adds a tactical aesthetic to your weapon. Built to M16 specifications this component exemplifies high standards of craftsmanship and reliability making it an ideal choice for those seeking superior performance in their rifles.