AR-15 .450 Bushmaster 10.5" Pistol Upper Assembly / Shark

AR-15 .450 Bushmaster 10.5" Pistol Upper Assembly / Shark

AR-15 .450 Bushmaster 10.5" Pistol Upper Assembly / Shark -  Just add this .450 Pistol Flattop Upper to your AR15 Pistol Lower Receiver, and you are ready for the range. This assembly includes 12" heavy profile .450 Bushmaster barrel with slim 12" free-float handguard,

Barrel - 10.5" 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 5/8x32.  Carbine length gas system. Barrel is finished off shark 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. M4 feedramps. Specially designed for big bore calibers.

Gas system - .936 low profile gas block, made from aircraft quality steel.  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. 

DUE TO A HUGE INCREASE IN ORDERS - PLEASE EXPECT AT LEAST 4-6 WEEKS DELAY BEFORE YOUR ORDER SHIPS. YOU WILL RECEIVE A TRACKING NUMBER ONCE WE GET YOUR ORDER OUT THE DOOR.