M16 Carrier Machined from 8620 5.56 Bolt Machined from 9310 Forged Gas Key Properly Staked Tool Steel Extractor Mil-Spec Extractor Spring with black insert and Viton O-Ring Grade 8 hardware Shot Peened Bolt HPT/MPI Carrier, Gas Key, Cam Pin, Bolt, & Extractor coated inside and out with Black Nitride QPQ Test Fired complete before shipping … Ballistic Advantage 5.56 Complete Bolt Carrier Group, Nitride Read More »

M16 Carrier Machined from 8620 5.56 Bolt Machined from Carpenter 158 Forged Gas Key Properly Staked Tool Steel Extractor Mil-Spec Extractor Spring with black insert and Viton O-Ring Grade 8 hardware Shot Peened Bolt HPT/MPI Carrier, Gas Key, Cam Pin, Bolt, & Extractor coated inside and out with Phosphate Test Fired complete before shipping to … Ballistic Advantage 5.56 Complete Bolt Carrier Group, Phosphate Read More »