Sig Sauer RM400-16B-TRD-V2-COIL 5.56 NATO 16" Bbl Tread Coil V2 Black Semi Tele Stock AL M-LOK HG Rifle w/Romeo5 GEN II Red Dot & (1) 30rd MagThe M400-TREAD V2 COIL takes the proven TREAD platform and ships it ready to perform—no extra setup required. It pairs the V2’s free-floating handguard and two-stage Matchlite DUO trigger with factory-installed premium accessories, including a ROMEO5 Gen II compact red dot, M-LOK vertical foregrip, and barricade stop, so the rifle is range-ready straight from the box. Built around a precise 16? stainless steel barrel with a 1:8 twist and a mid-length gas system for smooth cycling and reduced recoil, the Sig Sauer M400-TREAD V2 COIL Rifle also includes a 3-prong flash hider, ambidextrous safety and magazine release, and integrated QD mounts on the lower receiver. Every component is purpose-fit and factory-installed to eliminate guesswork, giving you a reliable, shoot-ready AR that balances accuracy, ergonomics, and immediate capability. Features of the Sig Sauer M400-TREAD V2 COIL RifleRomeo5 Gen II Compact Red Dot SightM-LOK Vertical Foregrip and Barricade Stop16” Stainless Steel BarrelTread Enhanced M-LOK HandguardMid-Length Direct Impingement Gas System6 Position MAGPUL SL-K Stock Ambidextrous Saftey and Mag Release Sig Sauer SIGM400 5.56 NATO 16" Bbl Tread Coil V2 Black Semi Tele Stock AL M-LOK HG Rifle w/Romeo5 GEN II Red Dot & (1) 30rd Mag RM400-16B-TRD-V2-COIL