Introducing the new "MOE Marauder" pistol upper exclusively from PSA! The MOE Marauder upper is designed to function with a red dot or holographic optic. It does not have provisions for a front sight to be mounted on the barrel. The perfect upper for your registered AR-15 SBR or AR-15 pistol! Barrel: 7" 4150V Chrome Moly vanadium steel, nitride treated for durability and chambered in 5.56 NATO with a 1 in 7" twist. Pistol length gas barrel is finished off with a Magpul MOE M-Lok carbine length handguard, a low profile gas block and a patent pending PSA muzzle device designed to hold the handguard endcap in place. 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.