Daniel Defense 04-013-22183 5.56 NATO/.300 BLK Bolt AssemblyThe Daniel Defense 5.56 NATO/.300 BLK Bolt Assembly is a versatile and reliable bolt assembly designed to be compatible with both 5.56 NATO and .300 Blackout cartridges. This Daniel Defense 04-013-22183 component is a crucial part of your rifle's operation, ensuring consistent and safe cycling. Daniel Defense is renowned for producing high-quality firearm components, and this bolt assembly is no exception, providing dependable performance and compatibility with different calibers for your rifle. Daniel Defense 5.56 NATO/.300 BLK Bolt Assembly 04-013-22183