The Wilson Combat Precision Bolt Carrier Assembly is a top-tier upgrade for your 5.56 AR rifle offering unmatched durability and reliability. Precision machined from Carpenter 158 steel and shot peened for enhanced strength this bolt carrier assembly ensures peak performance under demanding conditions. It features a tool steel extractor and ejector along with a high-pressure tested design for superior functionality. Available in both semi-auto and full-auto configurations the full-auto carrier provides added mass for a smoother cyclic rate making it ideal for carbine-length or suppressed setups while the semi-auto carrier is optimized for reduced recoil in rifle-length systems. Finished in sleek black Parkerized coating this assembly combines rugged construction with versatile compatibility making it a must-have for any serious AR enthusiast.