CMMG Mk4LE Rifle | 55AE160

This M4LE rifle is Weapon Armament Surface Protection (WASP)-treated to improve wear, abrasion, and corrosion resistance. This nitriding conversion is applied to the barrel inside and out, along with the front sight base on LE rifles and upper for improved wear, abrasion, and corrosion resistance without the risk of dimensional build up. The 16" WASP-treated 4140 chrome-moly steel barrel has an M4 Profile and a 1:9" twist and a M4 handguard. The rifle has 4lb. forged upper receiver. The forged lower receiver is RDIAS/RLL compatible. Rifle has an "F" marked front sight base, Magpul MBUS rear sight, 6-position stock. Rifle weighs 6lbs. without the included 30rd PMAG. It includes a Mil-Spec lower parts kit (.250 takedown and .154 FCG pins). Each rifle is head spaced and test fired.