Rifle features a 16 1/4” 4150 CMV (Chrome Moly Vanadium) steel barrel with 1:9 twist rate to stabilize a broad range of ammunition. They are chambered in .223 target, which means they can fire both .223 Rem. ammunition and 5.56×45 NATO Ammunition. THERE IS A CUSTOM ambi bolt release. and custom tunable muzzle brake is attached with 1/2X28 threads. rifle is 32″ long with butt stock collasped Both the RR upper and the LRB lower are made from Mil-Spec 7075 T6 Forgings with Type 3 hard coat anodized finished, the same quality you see on Colt, and other top dollar rifles. The rifle features a M4 feed ramp and flat top picatinny rail on the upper receiver for mounting sights/optics. (Burris E1 4 1/2-14x Scope included) The bolt carrier group and gas key are also mil-spec and are MPI tested to ensure flawlessness. The rifles feature a mil-spec Rock River 6 position adjustable stock. A tuned Rock River 2 stage trigger is installed in the lower. What sets this rifle apart from others is the fact that it has a full length free float tube handguard manufactured from a CNC machined forged aluminum extrusion which is hard anodized. The barrel nut is made from forged steel with a QD sling swivel stud Each gun comes in a New high-quality soft foam lined protective gun case for no additional cost.