AR-15 Full-Auto BCG – Aurum Gold

The Trinity Triggers AR-15 Full-Auto Bolt Carrier Group – Aurum Gold combines premium materials with advanced coating technology for superior performance in .223, 5.56, and .300 Blackout platforms. Designed with a full-auto M16 carrier profile, this BCG offers smoother cycling, reduced friction, and enhanced durability. HPT/MPI tested and built to last. A high-quality AR-15 bolt carrier group is critical for reliability and performance. Trinity Triggers BCGs are designed with a full-auto M16 profile for smoother cycling and improved function across a wide range of ammunition types. Chrome-lined internals and advanced coatings reduce friction and carbon buildup, making maintenance easier while extending service life.