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Sig Sauer SIG556 DMR 5.56mm NATO 18" Rifle - 20rd SGR556-H18B-DM

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MSRP $1,719.99
Sale Price $1,576.95
Sale 8 % off

Brand: Sig Sauer
Item Number: SGR556-H18B-DM
Status: Discontinued
Not Available In:   CA   CO   CT   DC   HI   MD   MA   NJ   NY  

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Sig Sauer SIG556 DMR 5.56mm NATO 18" Rifle - 20rd: R556-H18B-DM

Features a 18”match grade heavy contour barrel. The rifle is chambered in 5.56mm NATO, with a twist rate of 1 in 8”. The match grade heavy barrel features a target crown and matte black nitride finish for the ultimate in corrosion resistance. The forearm, housing the gas operating system, is a vented non-slip polymer featuring the SIG TriRail™ design with three integrated Picatinny rails for mounting a bipod and other accessories. The Picatinny rail equipped 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, ambidextrous safety and is designed to accept standard AR magazines. The ergonomically designed pistol grip features an integrated storage compartment.


  • 5.56mm NATO (.223 REM)
  • 18" Match Grade Heavy Barrel
  • Harris Bipod
  • Polymer forearm
  • Magpul CTR stock
  • (1) 20 Round magazine

Additional Information

Specification Details
Model R556-H18B-DM
Caliber 5.56 NATO
Overall Length 29.2"
Length w/ Stock Collapsed N/A
Length w/ Stock Folded N/A
Barrel Length 18.0"
Rifling 1 in 8"
Sight Radius N/A
Forearm Alum Quad-Rail
Stock Type Magpul CTR
Weight w/o Mag 9.5 lbs.
Operating System Gas Operated, Rotating Bolt
Magazine Capacity 10rd
Features 18" Heavy barrel, Quad rail forend, Magpul CTR stock, Harris Bipod



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