PSA 10.5" 5.56 NATO 1:7 Nitride 12" Slant KeyMod SOB MOE Pistol Kit - 516447292

Barrel:  10.5" 4150V Chrome Moly vanadium steel, chambered in 5.56 NATO with a 1 in 7" twist and phosphate coated. Carbine-length gas barrel is finished off with an anodized PSA 12" Hybrid Slant End Keymod Lightweight Rail, a low profile gas block and a PSA Fluted Flash Can. 
Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability.  These uppers are made for us right here in the USA by a mil-spec manufacturer.
Flash Can: Palmetto State Armory's new 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 mil-spec 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.
Bolt: Full-auto profile bolt carrier group. Milspec Carpenter No. 158® steel bolt, Shot Peened, High pressure tested, Mag particle inspected, Gas Key Hardened to USGI Specifications, Fastened with Grade 8 screws, and Staked Per Mil-Spec. 8620 steel M-16 profile carrier is chrome lined and phosphate coated.
Pistol Build Kit:  A high quality lower build kit with everything you need to assemble your AR-15 lower into a pistol. Features polished hammer and trigger contact points, and black oxide coated hammer and trigger springs. Also includes SB Tactical SOB Pistol Brace, castle nut, double-looped pistol latch plate, carbine buffer spring, and standard carbine buffer.