The LMT Defense MARS-L Shovelnose 5.56mm Piston-Operated Short Barreled Rifle with 12" barrel is a flagship do-all carbine engineered for superior reliability, soft shooting, and unmatched versatility. Powered by LMT's short-stroke gas piston system with a two-position adjustable gas block, this SBR runs exceptionally clean and smooth whether suppressed or unsuppressed, delivering consistent performance with reduced fouling and recoil. The 12" cryogenically treated, chrome-lined barrel paired with the 11.5" Shovelnose M-LOK upper provides ample real estate for accessories while maintaining the legendary accuracy and heat dissipation of LMT's patented Monolithic Rail Platform. Featuring the true monolithic MRP upper milled from a single aerospace aluminum forging with full 360-degree barrel lockup, this rifle allows lightning-fast barrel changes with perfect return to zero. The ambidextrous MARS-L lower includes full left- and right-handed controls, an ergonomic G2 grip, enhanced trigger guard, AXLE two-stage trigger, and SOPMOD stock for intuitive operation in any situation. Topped with an uninterrupted Picatinny rail and seven sides of M-LOK slots, the Shovelnose chassis gives you total customization without compromising rigidity. Built to military standards with an enhanced full-auto rated piston BCG, ambidextrous charging handle, and premium components throughout, the LMT Shovelnose 12" 5.56 SBR is the ultimate short-barreled rifle for professionals, law enforcement, and serious enthusiasts who demand the best. Experience American-made innovation that outperforms everything else on the range or in the field. Ready to add the LMT Defense MARS-L Shovelnose 5.56mm Piston-Operated Short Barreled Rifle with 12" Barrel to your collection? Purchase it now at Battlehawk Armory! Specifications: Caliber: 5.56x45 NATO Barrel: 12" Crhome Lined Piston Operated Barrel Twist: 1:7" Shovelnose M-Lok Upper Receiver with Ambidextrous Charging Handle and Standard Full-Auto Bolt Carrier Group MARS-LS Lower Recevier with SOPMOD Buttstock and Two-Stage Axle Trigger Group