Caliber With This Upper Build Kit, You Can Feel Confident That You're Getting A Round That Is Generally Available And Reliable, And An Upper Build That We Created, But You Chose. Not Only Is 5.56 NATO Known As A Versatile Round, But As A Smaller Round(Especially In A Rifle Platform), 5.56 NATO Will Be Easy For You To Shoot And Control. With 5.56 NATO Being The Most Popular Round For The AR-15 Platform, This Upper Build Kit Will Be A Crucial Part Of Building Your Personalized Tool For Using This Caliber.
Upper: Built On An Upper Receiver Forged From 7075-T6 Aluminum. This Stripped Upper Is Precision Machined To Mil-spec M16/M4 Specifications And Features M4 Feedramps.
Barrel: Included Is A 17.1" Barrel Chambered In .223 Wylde. Made From 416R Stainless Steel With A Stainless Finish, This Barrel Has 1-8 Twist Rate With A 1/2x28 Thread Pitch.
Handguard: This Build Includes A 15" M-Lok AR-15 Free Float Handguard From Gauntlet Arms To Allow You To Comfortably Grip Your Rifle In A Variety Of Shooting Positions And Securely Mount A Variety Of Accessories
Muzzle Device: This Build Includes A Vintage Style A1 Three Prong Compensator From Luth-AR. Not Only Will This USA Made Muzzle Device Make Your Upper Look Retro And Cool But It Also Helps Disperse Gases And Reduce Muzzle Lift.
