9.5" Complete Upper18 M909UH0B The PWS PCC uses a blowback gas system, and features a variety of unique upgrades from your traditional pistol caliber carbine. Starting with the PCC compensator, this muzzle device delivers superior muzzle stabilization allowing shooters to have quick follow up shots. The free float M LOK handguard and billet lower receiver are designed to be sleek looking while also robust enough for non stop heavy use for competition. The last round