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