The HM Defense Defender M556L elevates the standard 5.56 platform with an extended barrel design and advanced engineering for superior accuracy. Featuring a proprietary monobloc barrel and pinned gas block, the M556L enhances reliability and repeatable performance shot after shot. Its ergonomic configuration and lightweight build make it comfortable to maneuver, while the free-float handguard offers extensive rail space for accessories. Whether you’re on the range or in the field, the Defender M556L delivers a dependable, precision-focused solution—engineered to meet the rigorous demands of modern shooting enthusiasts and professionals.