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SIG Sauer M400 SDI AR-15 – Moss Green Cerakote (RM400-SDI-16B-MSGRN) Built for versatility and performance, the SIG Sauer M400 SDI is an optics-ready semi-automatic AR-15 chambered in 5.56 NATO, combining reliability with premium components. Finished in a rugged Moss Green Cerakote, this rifle is purpose-built for shooters demanding both function and form.
The 16-inch chrome moly steel barrel features a 1:7 twist rate and 1/2"-28 TPI tapered shoulder, topped with a SIG flash hider-compensator. Utilizing a mid-length direct impingement gas system, it delivers smooth cycling and improved reliability. Fitted with a 6-position Magpul MOE-SL stock in black and a reduced angle pistol grip, it’s ergonomically optimized for control and comfort.
The rifle also comes equipped with a flat-faced, 2-stage Matchlite Duo trigger and ambidextrous controls for enhanced precision and versatility. A M-LOK compatible handguard and Picatinny top rail offer customizable mounting options for optics and accessories.
- Finish: Moss Green Cerakote TM
- Weight: 7 lbs
- Overall Length: 36.5 in (extended), 33.25 in (collapsed)
- Handguard: M-LOK, Moss Green Cerakote
- Controls: Ambidextrous
- Grip: Reduced Angle
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