Engineered with careful attention to component fit and practical ergonomics, the Sig Sauer SIG M400‑Tread V2 Coil Rifle delivers smooth handling and dependable function. Chambered in 5.56mm with a 16" stainless steel barrel, it features a free‑float M‑LOK handguard and threaded muzzle to support modern accessories and consistent accuracy.
Equipped from the factory with a ROMEO5 Gen II compact red dot, vertical foregrip, and barricade stop, the M400‑Tread V2 Coil is built for shooters who value predictable performance during range training and general use. Sig Sauer’s proven manufacturing standards ensure a balanced, reliable rifle ready for immediate use.
Key Features:
Caliber: 5.56mm
Barrel Length: 16" stainless steel
Action: Semi‑automatic
Capacity: 30 rounds
Handguard: Free‑float M‑LOK
Optics: ROMEO5 Gen II compact red dot included
Rail: Full‑length Picatinny top rail
Muzzle: Threaded barrel
Accessories: Vertical foregrip and barricade stop
Finish: Black anodized
Weight: Approx. 7.0 lbs
Included: (1) 30‑round magazine, owner’s manual, warranty paperwork
| __Model | M400-Tread V2 Coil |
| __Action | Semi-Automatic |
| __Barrel Length | 16.00" |
| __Capacity | 30 |
| __Caliber | 5.56x45mm NATO |