Sig Sauer M400 TREAD V2 COIL 5.56 NATO 16in 30-Rd

About this product

The M400-TREAD V2 COIL is a factory-configured modern sporting rifle built for immediate range use. It ships with a ROMEO5 Gen II compact red dot sight installed, plus an M-LOK vertical foregrip and barricade stop fitted to the free-floating TREAD handguard. The rifle is furnished with a 16-inch stainless steel barrel, a mid-length direct impingement gas system and a SIG two-stage Matchlite Duo trigger for consistent, predictable breaks. Controls include an ambidextrous safety and magazine release; the lower receiver also incorporates QD sling mounts.

Key Specifications

• The caliber is .223 Rem / 5.56 NATO.
• The barrel measures 16 inches (406.4 mm).
• The barrel material is stainless steel.
• The twist rate is 1:8.
• The muzzle device is a SIG 3-Prong Flash Hider.
• The action type is Semi-Auto.
• The operating system is a Mid-Length Direct Impingement gas system.
• The stock is a 6-position Magpul SL-K.
• The trigger is a SIG Two-Stage Matchlite Duo.
• Factory accessories include a ROMEO5 Gen II red dot, M-LOK vertical foregrip, and barricade stop.

Treated with a black anodized finish and fitted with an included 30-round polymer magazine, the M400-TREAD V2 COIL is designed to provide a balanced blend of accessory-ready ergonomics and practical performance for range use, training, and general-purpose shooting. Its factory-fit optic and controls reduce setup time so you can focus on use and fundamentals rather than adding parts.

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