Sig Sauer RM40016BS M400 Semi-Automatic 223 Remington/5.56 N

$1,499.00 $1,229.00


The Sig Sauer RM400-16B-S M400 SWAT Rifle 5.56mm features a 16-inch barrel, black finish, two-piece quad rail, direct impingement operation, and a 30+1 round capacity.

Out of stock

SKU: RM40016bs Categories: ,

THE SIG M400 SERIES TACTICAL RIFLE, designed for use in law enforcement, military operations, or the sporting field as well as competitive shooting. The SIG M400 is a true AR platform tactical rifle. Provides unparalleled accuracy, with a 16″ chrome-lined and phosphate coated barrel that provides maximum durability and corrosion resistance. A 7075-T6 aircraft grade aluminum forged lower receiver adds to the durability and reliability.

  • Direct impingement gas operating system with rotating locking bolt
  • 5.56 x 45 mm NATO Chrome-lined barrels with phosphate finish
  • Two-Piece Aluminum quad-rail
  • Accepts most M16 type magazines
  • M16A2 Type flash supressor
  • “F” marked fixed front sight

Sig Sauer M400 SWAT Semi-automatic AR 223 Rem 556NATO 16″ Black Synthetic 30Rd RM400-16B-S

  • Action – Semi-automatic
  • Barrel Length – 16″
  • Capacity – 30Rd
  • Finish/Color – Black
  • Caliber – 223 Rem
  • Caliber – 556NATO
  • Grips/Stock – Synthetic
  • Manufacturer – Sig Sauer
  • Manufacturer part # – RM400-16B-S
  • Model – M400
  • Model – SWAT
  • Type – AR
Weight12 lbs
Dimensions28 × 8 × 8 in




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