The Radian Enhanced Bolt Carrier Group for AR15 in .223/5.56 with Black Nitride finish offers exceptional performance and reliability. This precision-engineered BCG features a case-hardened 9310 steel bolt and 8620 steel carrier, both treated with a self-lubricating black nitride finish for enhanced durability and smooth operation. Designed to minimize carrier tilt and reduce friction, this BCG exceeds mil-spec standards and undergoes rigorous testing to ensure top-tier performance in both semi-auto and full-auto systems.

Features and Specifications:

• Caliber: .223 Remington/5.56 NATO
• Weight: 11.5 oz
• Bolt: Case hardened 9310 steel, shot peened
• Carrier: Billet machined case hardened 8620 steel
• Gas Key: 4130 steel, properly staked with Grade 8 hardware
• Finish: Black Nitride for enhanced lubricity and corrosion resistance
• High pressure tested (HPT) and magnetic particle inspected (MPI)
• CNC precision-ground bolt lugs for improved accuracy
• M16 profile (compatible with semi-auto AR15)
• Re-profiled to reduce carrier tilt and friction
• Made in the USA
• Includes: Bolt assembly, extractor, cam pin, bolt carrier, carrier gas key, firing pin, and firing pin retaining pin