Bear creek arsenal 7.5 " upper with a 7" lightweight m-lok handguard, complete with BCG & CH, 4150 parkerized M4 contour barrel with a 1:8 twist, 5.56 NATO caliber (shoots both 223 & 5.56 NATO) pistol length gas system. This upper is fully complete and comes with a brand new holographic red dot scope already installed. BCA uppers carry a manufacturer's lifetime warranty. The complete Lower is a KG Arms  KG-15 premier aluminum lower. It has all mil-spec parts, a 4 lb. trigger pull, M4 hand grip, 3.0 buffer, mil-spec aluminum buffer tube, steel end plate and castle nut, steel bolt catch and bumper stop.These lowers also carry a lifetime manufacturer's warranty. A  PISTOL BRACE  that is fully adjusatble from pistol brace length to carbine / rifle length in 5 seconds has been added to this pistol. A brand new 30 round magazine and a new soft carrying case are included. Price is $599 plus tax. You must be 21 years old or older, be an Arizona resident with an Arizona D.L or valid Az. state I.D.  A background check will be completed. Call / text Sammy D's Discount Arms, a home based, licensed dealer in Glendale 480*490*8251