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18" Match-Grade Heavy Contour Barrel
Vented Aluminum Forearm w/ Quad Picatinny Rails
Enhanced Single Stage Target Trigger
Ambidextrous Safety & Ergonomic Grip
Magpul MOE Adjustable Stock & Harris Bipod
The Sig Sauer 556 DM adds a host of new features and upgrades to the trusted 556 platform. Every 556 DM features an 18" match-grade heavy contour barrel with a target crown and a matte black nitride finish for the ultimate in corrosion resistance. The forearm, housing the gas operating system, is a vented aluminum design with Picatinny rails for mounting a bipod and other accessories. The Picatinny rail on the receiver is made of high-strength steel with a durable wear-resistant Nitron-X finish. The trigger housing is machined from an aircraft grade aluminum alloy forging with a hard-coat anodized finish designed to survive extreme conditions. The rifle comes equipped with an enhanced single stage target trigger and an ambidextrous safety and is designed to accept standard AR magazines. The ergonomically designed pistol grip features an integrated storage compartment.