300 AAC Blackout Stainless Steel Upper 16 Inch with 12″ Slim Keymod No BCG or Charging Handle


Kickstart your 300BLK Blackout rifle project with our top-tier 16″ Stainless Blackout Upper. Crafted in the USA from premium components, including a 416R stainless steel barrel and slim Keymod handguard, this upper offers durability and precision. Featuring a .750 low profile gas block and M4 flat-top upper receiver, it’s customizable to your preferences.


300 Blackout Stainless 16″ Upper with Ultra Slim Keymod Rail

Looking to build your own 300BLK Blackout rifle? This upper is the perfect starting point. It’s made with high-quality, USA-made components and features a 16″ stainless steel barrel for excellent durability and accuracy. The 12″ slim keymod handguard provides a great grip and plenty of room for accessories. The .750 low profile gas block ensures reliable performance in even the most intense situations. And best of all, it doesn’t include a bolt carrier group or charging handle so you can choose your own!

16″ Stainless Blackout upper Features:

  • Chamber – 300BLK Blackout
  • Barrel Twist – 1×8
  • Thread – 5/8×24
  • Barrel Steel – 416R Stainless Steel
  • Flash Hider – Stainless Steel A2 Flash Hider
  • Handguard – 12″ Free Float Slim Keymod Rail
  • Gas Block -.750 Low Profile gas block, Pistol Gas Tube with Pin
  • Upper Receiver – M4 Flat-top Upper with Feed Ramps
  • Bolt Carrier Group – Not Included
  • Charging Handle – Not Included
  • Lower Parts Kit – Not Included
  • Stock – Not Included
  • Made in the USA
  • SKU: DT11-001

This 300 BLK Blackout complete Upper is not an FFL (Federal Firearms License) Item (No AR lower receiver included)

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information: www.P65Warnings.ca.gov

Additional information

Weight 13 lbs

Barrel Chamber


Barrel Finish

Barrel Gas Block

Barrel Length

Barrel Material

Barrel Twist

Barrel Thread


Barrel Gas System

Handguard Length

Accessory Attachment Style


1 review for 300 AAC Blackout Stainless Steel Upper 16 Inch with 12″ Slim Keymod No BCG or Charging Handle

  1. 5 out of 5


    Best in the industry

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