300 Blackout Custom Crimson Red, Black, Silver, Gold Cerakoted Upper Receiver Assembly 16″ Barrel 16.5 ” M-Lock Handguard With Complete Lower Parts Custom Cerakoted Kit


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

Out of stock



300 Blackout Custom Crimson Red, Black, Silver, Gold Cerakoted Upper Receiver Assembly 16″ Barrel 16.5 ” M-Lock Handguard With Complete Lower Parts

Upper Assembly:


  • 16″ 4150 Steel Contour Barrel Profile , Chrome Moly Vanadium Custom Cerekoted, Heat treated, Scratch Resistance Finish
  • 1:7 Twist, 5/8×24 Thread, 300 Blackout Caliber, Carbine Length Gas System

 Upper Receiver

  • Forged 7075 T6 Aluminum Custom Cerakoted Heat Treated Finish, Precision Machined to M4, M16 Specs
  • Forward Assist, Dust Cover, Shell Deflector, .250 Takedown Pin Holes, M4 Feed Ramps


  • 16.5″ in Length Custom Cerakoted Heat Treated, Scratch Resistance Finish
  • Front Fixed All Sides and Picatinny Rails Section, QD Sling Attachment Mounts on Each Side, Slanted Front
  • Super Lightweight 6061 T6 Aluminum , 10.3 OZ with Barrel Nut and hardware ,  M-Lock Narrow Profile, Anti Rotational Tabs

Gas System

  • Direct Impingement
  • Custom Cerakoted .750 Low Profile Steel Gas Block , 9.3/4 Carbine Length Stainless Steel Gas Tube 

Muzzle Brake

  • Premium Flash Can , in Best Quality, US Made 308 Muzzle Brake, 5/8 X 24 TPI Thread
  • Made of CNC Machined High Quality Steel, Heat Treated
  • This Muzzle Device will Forward Sound, Flash and Gases Away from Shooter and Bystanders, will Reduce Side Shock wave

Lower Parts Includes:

Trinity Force Mil Spec 6 Position Receiver Extension Buffer Tube Spring Kit

Trinity Force Mil Spec Collapsible Rifle Stock WT09BWith Rubber Chick Pad and Butt Pad

Magpul Grip Drop In Kit With Screw & Storage Cap

Strike Industries Anti Walk Pins.154 Non Rotating Anti Rotation AWP Clip

Strike Industries Enhanced Bolt Catch EBC Extra wide Lever

 Ambidextrous  Aluminum Safety Selector With Shortened Right Side lever

Ambidextrous CNC Machined Aluminum Double Side Mag Release Button

Extended Takedown & Pivot Pin With Detend Pins And Spring

B5 Extended Polymer Trigger Guard

Rock River Arms Single Stage SemiAuto Trigger Kit

Metal Hand Stop/ Barricade Rest For M-lock Handguards

2.5″ Picatinny Rail Sections


We are starting new series of upper receiver assemblies with custom cerakote in different color and pattern. All of them will have some black highlights, and lower parts will be cerakoted in matching upper major color, so they will have rich monolith match with any black anodized lower receiver and cool look. 

This, carefully selected Lower Receiver parts in excellent quality, at affordable prices made by reputable manufacturing’s, and based on our knowledge and experience they will give to your AR build best performance, simplicity, and convenience in use, long life and cool look. 

Lower Receiver Parts in this Kit Includes Full Hardware Sets, Detend Pins and Springs for Installation, No hardware or parts need to purchase to complete your lower build,except stripped lower receiver itself.


Ambidextrous Charging Handle Included