Sig Sauer M400 SDI 223 Wylde 16in Titanium Cerakote Semi Automatic Modern Sporting Rifle – 30 1 Rounds – Sig’s M400 SDI rifle utilizes innovation, performance and attention to detail that defines other Sig rifles. It is a superior system offering advanced features available right out of the box that were once only found on the after-market. The M400 features a direct impingement gas operating system with a rotating locking bolt, an extended charging handle latch, flat-top upper receiver, and a built-in tensioning device eliminates accuracy-robbing play between upper and lower receivers. This model is chambered in 223 Wylde ammunition.
- Direct Impingement Gas Operating System
- Rotating Locking Bolt
- Extended Charging Handle Latch
- Ambidextrous Controls
- Titanium Cerakote finish