California compliance
- Status: Receiver, sold in California.
- Good to know: A completed rifle must be built in a California-legal configuration.
- Learn more: California rifle compliance guide
About this receiver
The Combat Armory complete upper is chambered in 5.56mm with a 16" medium-profile 4140 chrome moly barrel (Melonite, 1:7 twist, M4 feed ramps), a carbine-length gas system and a .750" low-profile gas block. It has a 15" free-float M-LOK handguard and comes with the bolt carrier group installed.
Manufacturer details
- Billet 7075-T6 M4 mil-spec upper receiver, Type III hard anodized
- Forward assist and dust cover
- A2 flash hider, 1/2x28 muzzle thread
Specifications
- Brand: Combat Armory
- Manufacturer Part #: COM.15SR.556.UPPER
- Caliber: .223/5.56
- Fits: AR-15
- Barrel: 16 in
- Color: Black
- UPC: 645656676928
A note on accuracy. We work hard to keep every listing correct, but specifications, images and compliance details come from many sources and can contain errors or change without notice. Images may show a configuration that is not California-legal. If a detail on this page matters to your decision, call us and we will confirm it against the actual firearm before you order. The compliance information here is general in nature and is not legal advice; California and local laws change, and the configuration described is confirmed at the time of sale. All sales are subject to applicable federal, state and local law and to the buyer's eligibility to purchase.