Sig Sauer RM400-SDI-16B-MSGRN M400 SDI XSeries 5.56 NATO 16" 1:7" Bbl Moss Green Rifle w/M-LOK Handguard & (1) 30rd Mag

The Sig Sauer M400 SDI XSeries is a 5.56 NATO semi-automatic rifle designed for performance, reliability, and versatility. Sig Sauer RM400-SDI-16B-MSGRN features a 16-inch barrel with a 1:7" twist rate, optimized for stabilizing a wide range of bullet weights.

Built with fully ambidextrous controls, including a unique ambidextrous bolt catch and release, the M400 SDI X ensures smooth operation for both left- and right-handed shooters. Its free-floating M-LOK handguard features a steel lockup system, enhancing rigidity and minimizing deflection for improved accuracy when mounting accessories.

The rifle includes a 2-Stage Matchlite Duo trigger with a 4.5 - 6.5 lb pull weight for a crisp and consistent break. Finished in Moss Green, the M400 SDI X is built for durability and reliability in demanding conditions. It comes with one 30-round magazine for optimal capacity.