The SIG Sauer M400 Tread Snakebite Coil AR-15 semi-auto rifle is built for modern handling and fast target acquisition. It features a 16-inch stainless barrel with a 1/2×28 threaded muzzle, a free-floating M-LOK handguard, and a Magpul SL-K (FDE) collapsible/folding stock. A SIG Romeo5 Tread red dot is included to help you get on target quickly.
Key Features
Chambered in .223 Remington / 5.56 NATO
16-inch stainless barrel with 1/2×28 threaded muzzle for compatibility with common suppressors and muzzle devices
Free-floating M-LOK handguard for improved control and accessory mounting
Magpul SL-K (FDE) collapsible stock for adjustable length of pull
Sig Matchlite trigger for a crisp, consistent trigger feel
Ambidextrous controls for comfortable use from either side of the rifle
If you want a ready-to-run AR-15 platform with a threaded barrel, modern handguard, and a supplied red dot, the M400 Tread Snakebite Coil is a strong choice.
