AR-15 Upper Parts

.223/5.56 Bolt Carrier Group - Black Nitride The .223/5.56 Black Nitride Bolt Carrier Group was designed with strength in mind. Starting with a 9310 Steel Bolt, which is aircraft-grade material, this bolt has a high core strength rating, a high fatigue...

    AO Precision Mil-Spec M16 Bolt Carrier Group (BCG) Reliable Mil-Spec Bolt Carrier Group for Superior Performance The AO Precision Mil-Spec M16 Bolt Carrier Group (BCG) is crafted to strict military specifications, delivering a durable and...

Toolcraft Black Nitride .223/5.56/300BLK M16 Profile Bolt Carrier Group Toolcraft is known for their unsurpassed quality and durability in their BCG's. Mil-Spec is just the beginning, they have spent attention to detail in every aspect of the...

Toolcraft Nickel Boron .223/5.56/300BLK M16 Profile Bolt Carrier Group Features 5.56/.223/.300 Black Out Full Auto Capable Carpenter 158 MPI and HPT Tested Bolt Case Hardened 8620 Carrier 4130 Gas Key Grade 8 Hardware With Proper Staking Gas Key Sealed...

Microbest 5.56 NATO AR 15 Bolt Carrier Group - Black Nitride The Microbest 5.56 NATO AR-15 Bolt Carrier is known for being the benchmark for quality and reliability throughout the industry. Microbest not only manufactures its own bolt carriers but also...