AR-15 .450 Bushmaster 12.5" Pistol Upper Assembly / Tanker - Just add this .450 Pistol Flattop Upper to your AR15 Pistol Lower Receiver, and you are ready for the range. This assembly includes 12.5" heavy profile .450 Bushmaster barrel with slim 12" slim Mlok free-float handguard.
Barrel - 12.5" 4150CMV steel black nitride medium profile barrel, single profile feedramps, non-fluted. Chambered in .450 Bushmaster. Button rifled with 1-24 rh twist. .936 under gas block diameter. Threaded 11/16x24. Carbine length gas system. Barrel is finished off tanker style muzzle brake in hardened steel construction, black.
Socom flat top upper receiver - made from certified 7075-t6 aluminum forgings. Black hardcoat anodized to Gov. Specs. Forward assist and dust cover installed. Specially designed for big bore calibers.
Gas system - .936 low profile gas block, made from steel, nitride coating. Carbine-length stainless steel gas tube.
Handguards - 10" slim profile mlok free float rail. Made from aircraft quality aluminum and black hard coat anodized.
Comes assembled. Testfired for cycling. Does not come with BCG or Charging Handle. Can be purchased separately.
