The LMT Defense Full-Auto Piston 5.56 G2 Bolt Carrier Group is engineered for superior reliability and performance in the most demanding environments. Built to exacting military standards, this G2 piston BCG features a patented piston operating system that runs cleaner and cooler than traditional direct impingement designs, significantly reducing carbon fouling and heat buildup inside the upper receiver. The full-auto rated carrier ensures smooth, consistent cycling whether you're running semi-auto or suppressed fire. Precision machined from high-grade materials with a robust extractor, enhanced ejector, and chrome-lined gas key, the LMT G2 BCG delivers unmatched durability and long service life even under high-round-count training or hard-use tactical applications. The piston design minimizes maintenance while maintaining exceptional accuracy and function, making it the preferred choice for professional shooters, law enforcement, and serious enthusiasts who refuse to compromise on quality. Upgrade your AR-15 or M4 platform with the gold standard in piston-driven reliability. The LMT Defense Full-Auto Piston 5.56 G2 Bolt Carrier Group represents American-made engineering at its finest, providing smoother operation and greater confidence every time you pull the trigger. Ready to add the LMT Defense Full-Auto Piston 5.56 G2 Bolt Carrier Group to your build? Purchase it now at Battlehawk Armory and enjoy fast shipping and expert customer service.