<p><strong><strong>Barrel: </strong></strong> 7.5" Chrome Moly vanadium steel, nitride treated for durability and chambered in 300AAC Blackout with a 1 in 8" twist rate. pistol-length gas barrel is finished off with a PSA 9" Lightweight Hex Full Picatinny M-Lok Free Float Rail, a low profile gas block, and a PSA Fluted Flash Can.</p> <p><strong>Upper</strong>: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability. Featuring a mil-spec finish, these uppers are made for us right here in the USA by a mil-spec manufacturer.</p> <p><strong>Flash Can</strong>: Palmetto State Armory's Fluted "FLASH CAN". This is a solid 6061 aluminum device that is designed to direct muzzle gases and the muzzle flash forward. Threaded 1/2-28 for 5.56 NATO. Black military-style hard anodizing. THIS DEVICE IS NOT DESIGNED TO REDUCE RECOIL, MUZZLE RISE, OR FLASH SIGNATURE. This device is designed to direct gasses and noise forward away from the shooter and enhance the weapon's appearance.</p> <p><strong>*Bolt Carrier Group and Charging Handle not included.</strong></p>