The ODIN 223 Black Nitrite Bolt Carrier Group, ACC-223-BCG, is a top-of-the-line product in the 'Shop All' category, manufactured by the renowned brand Odin Works. This bolt carrier group is designed with precision and durability in mind. It features a black nitrite finish, which not only enhances its appearance but also provides excellent corrosion resistance. The ODIN 223 Black Nitrite Bolt Carrier Group ensures smooth cycling and reliable performance. It is compatible with AR-15s chambered in .223 Remington and 5.56 NATO, making it a versatile choice for firearm enthusiasts. Upgrade your rifle with this ODIN 223 Black Nitrite Bolt Carrier Group for enhanced reliability and performance.