ABC RIFLE COMPANY AR-15 Micro Pistol Build 5.56x45mm NATO 5in Barrel 4in M-LOK Handguard Upper Receiver Tungsten

ABC RIFLE COMPANY AR-15 Micro Pistol Build 5.56x45mm NATO 5in Barrel 4in M-LOK Handguard Upper Receiver Tungsten. Its outfitted with a 5in 4150 CMV barrel chambered in 5.56 NATO boasting a rare 1:5 twist for optimal short-range stability. A .750 low-profile steel gas block and 5 3/16in stainless micro gas tube ensure smooth cycling. The 1/2x28 7075 aluminum flash can directs blast forward. A full-auto rated nitride BCG with 9310 MPI-tested bolt ensures durability. Includes mil-spec charging hand