TacFire AR-15 NiB Bolt Carrier Group

The TacFire AR-15 NiB Bolt Carrier Group (BCG) is the perfect addition to any budget rifle build. This BCG is full-auto compatible and features a machined and heat-treated 8620 tool steel carrier. The bolt is machined from 9310 tool steel, shot-peened, and Magnetic Particle Inspected (MPI). The gas key is machined from 17-4 stainless steel, while the extractor is machined from S-7 tool steel, and the extractor spring is made of stainless steel music wire. The firing pin is machined from 17-4 stainless steel. To top it off, this BCG features a corrosion-resistant nickel boron finish for enhanced natural wear and corrosion resistance. All components are heat-treated to Mil-Spec standards. Made in USA.