The SIG Sauer M400 Sdi is a semi-auto AR-style rifle chambered in 5.56 NATO/.223 Rem. It has a 16″ barrel and a capacity of 30 rounds.

Fully Ambidextrous Controls – Low Profile Gas Block with Mid-Length Direct Impingement Gas System – SIG 2-Stage Matchlite Duo Trigger – SIG Flash Hider-Compensator – 6 Position Magpul MOE-SL Stock – 16 Cold Hammer Forged Steel Barrel – CALIBER 5.56 NATO – FRAME MATERIAL ALLOY – FRAME FINISH MOSS GREEN CERAKOTE – BARREL MATERIAL COLD HAMMER FORGED STEEL – BARREL FINISH FNC – MAGAZINE CAPACITY 30 ROUNDS – TRIGGER SIG 2-STAGE MATCHLITE DUO TRIGGER – OVERALL LENGTH 36.5 in – OVERALL HEIGHT 7.1 in – OVERALL WIDTH 2.75 in – BARREL LENGTH 16 in – BARREL TWIST 1:7 in – WEIGHT W/MAGAZINE 7.0 lb

Specifications

• Brand: SIG Sauer
• Model: M400 Sdi
• Manufacturer Part #: RM400-SDI-16B-MSGRN
• UPC: 798681701216
• Caliber: 5.56 NATO/.223 Rem
• Action: Semi-Auto
• Barrel Length: 16″
• Twist Rate: 1:7″
• Capacity: 30 Rounds
• Magazines Included: 1 30 rd. Polymer Mag
• Overall Length: 46.3″
• Safety: Lever Action

Not available to ship to: CA, RI, WA.

Ships to a licensed FFL dealer for transfer. The buyer must pass the required background check and meet all federal, state and local laws.