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Sig Sauer 556 DM Centerfire Rifle

Item # 738889
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Additional Information:

Prices, promotions, styles and availability may vary by store and online.

  • To buy online and deliver to a Gander Mountain store or an Independent Firearms Dealer, simply add this item to your cart. Click here for additional details.
  • Firearms shipping charge of $25.00 per item.
  • You must be at least 18 years old to purchase this item. State and local laws may vary.
  • Additional discounts do not apply.


  • 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

Product Summary

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.

Model 556 DM
Type Centerfire Rifle
Action Semi-Auto
Caliber .223 Rem./5.56 NATO
Barrel Length 18"
Weight 9.5 Lbs.
Sights Picatinny Mounting Rail
Finish: Stock Black Synthetic
Finish : Barrel & Receiver Black Nitron-X Steel
Trigger Single Stage Target
Safety Ambidextrous
Capacity 20-Round Magazine


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