300 Blackout Custom OD Green Cerakoted Upper Receiver Assembly 16″ Barrel 15″ Matrix Arms 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

In stock



AR-15 Upper Receiver Assembly, Completely Custom OD Green Cerakoted, Chambered 300 Blackout 16″ Carbine Length Barrel, 15″ Matrix Arms Free Float Keymod Super Slim Ultra Light Handguard Slanted Front

Specifications : 


  • 16″ Heat Treated Hard Coat Custom OD Green Serakoted Finish
  • 4150 Steel HBAR Barrel Profile
  • 1:8 Twist
  • 300 Blackout Caliber
  • Carbine Length Gas System
  • 5/8x24Thread. 

Upper Receiver  

  • Forged 7075 T6 Aluminum 
  • Heat Treated Hard Coat  Custom OD Green Cerakoted 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 


  • Made in USA Matrix Arms Lightweight 15″ Free Float Handguard, Heat Treated Hard Coat OD Green Cerakoted
  • Key Mod, Mil-Spec 1913 Picatinny Rail.
  • 6061 T6 Aluminum
  • Three Hardened Allen Screws for Rock-Solid Alignment and Hold With Upper Receiver
  • The Forward Slant Design Allows the Shooter to Further Extend Hand Grip For Accuracy and Releasing Heat Upwards

Gas System

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

Muzzle Brake

  • 308 Competition Muzzle Brake
  • Heat Treated Hard Coat Custom OD Green Cerakoted Finish
  • Made of C1045 Carbon Steel
  • 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