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300 Blackout Upper (16" Barrel, Carbine-Length, A2 Handguard) AR 15 Complete Rifle Upper
$539.95 $399.95 (You save $140.00)
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Free Shipping on all orders $250+


SKU: UA300CHB1618(P).750-SHG(GB)

Our 300 Blackout Rifle Upper with standard A2 Handguard is hands-down perhaps the most affordable 300 Blackout Upper on the market, featuring outstanding quality and accuracy, and a minimalist design. With a classic A2 handguard, everything is kept simple and lightweight. A low-profile gas block provides the ability to upgrade this upper as you see fit, accommodating nearly any rail system. Don't let looks fool you - this rifle upper goes through some of the most rigorous quality controls and everything's built in the USA.

Mil-Spec Construction and Quality

For its simple looks, our 300 Blackout Rifle Upper is still built to military specifications. Inside the standard Flat Top M4 upper and 4150 Chromoly Steel barrel, you'll find M4 feed ramps and a chrome-lined bolt carrier group and standard charging handle. This barrel's heavy profile guarantees 1-MOA accuracy if you're good enough. The mil-spec carbine gas system and removable A2 Birdcage flash hider make switching from supersonic to subsonic loads and going suppressed a breeze.

300 Blackout Rifle Barrel Features:

  • 300 AAC Blackout Chamber
  • 16" with Parkerized Finish
  • 4150 Chromoly Steel
  • Heavy Profile
  • 1:8 Twist Rate
  • 5/8 x 24 Thread Pitch
  • A2 Birdcage Flash Suppressor

300 Blackout Receiver Features:

  • USGI-type A2 Handguard
  • Carbine-Length Gas System (0.125 Hole)
  • Low Profile Gas Block (0.750)
  • M4 Flat Top Upper
  • M4 Feed Ramps
  • Carbine Gas Tube
  • Charging Handle
  • Chrome-lined BCG

Ships with No FFL Requirements

This ready-to-fire upper is almost too good to be true, but we promise, it's not. Pre-built and ready to shoot out of the box, this upper ships straight to your front door with no need for any FFL transfers and fees, no paperwork, no waiting in line. Headspaced and fully assembled, all you have to do is pin this upper to your 80 lower build or any other AR lower, and you're ready. This is simply the quickest, most affordable, and easiest way to build a 300 Blackout AR 15.

300 Blackout Upper (16" Barrel, Carbine-Length, A2 Handguard) AR 15 Complete Rifle Upper

$539.95 $399.95 (You save $140.00)
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Free Shipping on all orders $250+