AR-15 M4 Short Barrel Upper Receiver


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Usually ships in: 7-10 weeks

Quick Overview

Our Short Barrel forged uppers feature nitride treated barrels available in 5.56 NATO and 30 0BLK. There are several options for hand guards, flash hiders, and barrel lengths.

Forged Upper Receiver:

  • 7075 T6 aluminum forged Flat Top
  • M4 Feed Ramp Cuts
  • Compatible with mil-spec AR-15 lower receiver

Barrel Specs and Options:

  • 10.5" 5.56, 7" 5.56, and 8" 300BLK
  • Up to five times the barrel life vs non chrome-lined barrels
  • Nitride treated extension, chamber and complete barrel
  • M4 extension
  • 1 in 8" twist rate

Handguard Options:

  • LOKI Free Float Modular 9" with Movable Rails
  • TROY TRX Extreme 7.2" Free Float
  • TROY TRX Standard 7.2" Free Float
  • TROY TRX Standard 9" Free Float

BCG Options:

  • No bolt carrier group 
  • Full Auto Mil-Spec bolt carrier group
  • NiB coated Mil Spec bolt carrier group

Gas Block/Front Sight Options:

  • Lo Pro
  • F marked A2 front sight post
  • YHM hooded flip up 

Charging Handle Options:

  • No charging handle
  • Mil Spec Anodized Charging Handle
  • NiB coated Mil Spec Charging handle

Flash Hider Options:

  • A2 birdcage
  • Phantom
  • Battlecomp 2.0

AR 15 Short Barrel Upper - (NFA): Starting At $595.00 plus $19.00 S/H


Flash Hider:

Bolt Carrier Group:



Charging Handle:

Caliber and Barrel length:

Gas Block/Front Sight

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