The HM Defense Defender M556 brings cutting-edge innovation to the 5.56 platform. Engineered with a proprietary monobloc barrel for seamless performance and a pinned gas block for unmatched reliability, this rifle offers consistent accuracy and smooth handling every time you pull the trigger. Its ergonomic design and lightweight construction provide excellent balance, while the free-float handguard enhances stability and accessory mounting options. ITAR compliant American made firearms Built to meet the demands of both serious shooters and tactical professionals, the American made ar15 rifle combines precision craftsmanship, reliable operation, and refined details.