AR-15 300 AAC BLACKOUT 16" STAINLESS STEEL DIAMOND FLUTED UPPER ASSEMBLY

AR-15 300 AAC BLACKOUT 16" STAINLESS STEEL DIAMOND FLUTED UPPER ASSEMBLY

AR-15 300 AAC 16" BLACKOUT STAINLESS STEEL DIAMOND FLUTED UPPER ASSEMBLY, 300 blackout caliber uppers use your standard .223/5.56 bolt carrier group and magazines! No special bolts or magazines to buy to get into a new caliber!

• Barrel - 16" 416 stainless steel h-bar contour barrel. Hardened to 26-32 rc and stress relieved. Chambered in 300 blackout. 1-7 rh twist. Button rifled. .750 under gas block. Diamond fluted. 5/8-24 threads completed with stainless steel x-treme muzzle brake and crush washer. M4 feedramps.
• 
  

• A3 flat top upper reciever - made from certified 7075-t6 aluminum forgings. Black hardcoat anodized to gov. specs. Forward assist and dust cover installed. M4 feedramps.
• 
  

• Gas system - .750 low profile gas block made from aircraft quality aluminum and black hardcoat anodized. Carbine length gas system.
• 
  

• Handguards - mid-length free floating keymod rail. Made from aircraft quality aluminum and black hardcoat anodized. Keymods may vary in design, depending on stock availability, the same excellent quality.
• 
  

Upper assembly does not include BCG and Charging Handle. Maybe purchased separately.