10.5″ 5.56/223 ar15 upper
Carbine gas M4 feed ramps 9.3″ slim rugged heavy duty picatinny quad railBuilt & QC Checked in the USA
Every upper is properly assembled, torqued, and quality checked before shipment.
If you select the optional bolt carrier group upgrade, your upper is test fired with that exact BCG to help ensure reliable out-of-the-box function.
Each upper is assembled with attention to detail and built to order — not mass assembled in bulk.
Customize Your Build
Add components directly from the product options menu:
- Bolt Carrier Group
- Charging Handle
- Additional upgrades and accessories
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Important NFA Notice
This upper receiver assembly is intended for use on:
- AR pistols
- Registered SBR lowers
- Other lawful firearm configurations
Users are responsible for complying with all applicable federal, state, and local laws.
sound of freedom – This was a great set up. I loved being able to customize the set up. Only issue I had was my own fault as a newb to building these. I used a heavy barrel in a slim hand guard. It makes adding attachments tough with clearances. Hoping someday to also get an AR10 from here.