300 Blackout Black Anodized Complete Upper Receiver 16″ SS Barrel 12″ Handguard


Our Goal is to Make our Complete Uppers in Best Quality, Durable, Safe to Use, Light Weight, Good Looking, Reliable and Affordable

On Our Cerakoted Uppers We Use Only Our Own Custom Cerakoted Parts and they are 100% Color Matching

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SKU: UPR687 Categories: , Tag:


Complete AR-15 Upper Receiver Assembly, Chambered 300 Blackout 16″ Carbine Length Stainless Steel Barrel, 12″ Free Float M-LOK Super Slim Ultra-Light Guntec USA Handguard

Specifications : 


  • 16″ 416R Stainless Steel Barrel
  •  Contour Profile
  • 1:8 Twist 
  • 300 Blackout Caliber
  • Carbine Length Gas System
  • 5/8x24Thread. 

Upper Receiver  

  • Forged 7075 T6 Aluminum Anodized Black Finish
  • Forward Assist, Dust Cover, Shell Deflector
  • .250 Takedown Pin Holes 
  • M4 Feed Ramps 
  • Precision machined to M4, M16 Specs 
  • Usable on any 223/5.56 Lower Receiver with same BCG and Charging Handle


  •  Guntec USA, 12″ Modular Skeletonized Series M-LOK Free Float Handguard.
  • Rail Features M-LOK Slots on All Four Sides (3, 6, 9, and 12 o’clock), Giving You the Ability to Mount Various Optics and Accessories.
  • Hardcoat Anodized Black. Triangle/Diamond Skeletonized Cuts Throughout the Handguard to Reduce Weight, and Tight Fit Up Against Receiver For a Monolithic Top Rail. 
  • Weights 7.7 oz!. Proudly Made in the U.S.A. in Scottsdale, Arizona. 

 Gas System

  • .750 Low Profile Steel Gas Block 
  • 9.3/4 Carbine Length Stainless Steel Gas Tube 

Muzzle Brake

  • 308 Competition Muzzle Brake
  • Made of CNC Machined High Quality Stainless  Steel, Heat Treated
  • 5/8 x 24 TPI Thread.
  • Side and Top Ported
  • Reduces Recoil
  • Length 2.24″
  • Bore Diameter 04″
  • This Muzzle Brake Compensator will reduce the recoil, muzzle rise, will improve shooting.

Ambidextrous Charging Handle Included