AR-15 5.56/.223 17.1" Pentagon Black Nitride Upper Assembly / Mlok / Triport

AR-15 5.56/.223 17.1" Pentagon Black Nitride Upper Assembly / Mlok / Triport

AR-15 5.56/.223 17.1" Pentagon Black Nitride Upper Assembly / Mlok / Triport. This is a custom upper assembly for an AR-15 firearm. It features Pentagon style spiral flutes in black nitride coating, 15" slim profile Mlok rail and triport muzzle brake, which use ports to redirect gases and help reduce recoil and muzzle rise.

Upper Includes:

·        Assembled AR-15 Upper Receiver 

·         Enhanced Slim Profile Mlok Handguard 

·         17.1" 223 Wylde Barrel (shoots both, 5.56 NATO and 223 Rem)

·         Low Profile Gas Block and Mid Length Gas Tube

·         Product comes assembled

·         This complete upper does not include a BCG or Charging Handle. These products may be selected as add-ons.

Barrel - 17.1" 4150 CMV hbar, pentagon flutes, nitride coated. Hardened to 26-32 rc and stress relieved.  Chambered in .223 Wylde with 1-8 rh twist. .750 under gas block. Threaded 1/2X28. M4 feedramps. Barrel is finished off with a Triport Muzzle Brake in Nitride. 

A3 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.

Gas system - .750 low profile gas block, made from steel. Mid length stainless steel gas tube.

Handguards - 15" mlok free float rail. Made from aircraft quality aluminum and black hard coat anodized.  Rails may differ in design, based on stock availability, the same excellent quality. 

Images may not be an exact representation of the product.