high_slotFor Sale is a low round count Criterion Core 10.5 inch 300BLK upper. Only 150 rounds of Sig 120gr SBR ammo through it. Parts list as follows. Vltor Mur-1A Upper receiver. Geissele 10 inch Federal MK4 Gen 1 handguard with a Blemula tramp stamp. Gen 1s have a shorter 6 oclock pic rail. 10.5 inch Criterion Core 300BLK barrel. Microbest “Luxedo” Chrome BCG and Bolt with phosphate gas key and extractor and OCKS fasteners. Rear End muzzle device by Q because I have a thing for KB since AAC. Basic bitch, milspec charging handle Kratos Gas Block and gas tube. All these items we purchased brand new and assembled on an armorer’s bench with armorer’s tools and torqued to spec. Asking $750 shipped OBO NO TRADES
