″++SIG SAUER M400 X SDI 5.56 NATO″

MAGAZINE NOT INCLUDED. The Sig Sauer M400 X SDI Semi-Auto Rifle operates with a direct impingement gas operating system with rotating locking bolt. The M400 semi-automatic rifle comes with a 6-position collapsing stock and a free-floated M-LOK handguard. The rifle operates with a mid-length gas system, a single-stage polished and hard-coat trigger, and ambidextrous controls. The 16" barrel comes equipped with a flash suppressor. The 7075 aircraft grade aluminum forged lower receiver features an anodized black finish. A receiver Picatinny rail allows you to attach optic sights. The Sig Sauer M400 is compatible with most M16-type magazines.