ONE OH-CU03 7.5" 5.56 NATO Complete Upper
Compact 7.5" complete upper receiver assembly in 5.56 NATO. Ready to pair with your lower receiver for a short-barreled rifle or pistol configuration.
ONE OH-CU03 Complete Upper Receiver
This is a complete upper receiver assembly designed for shooters who want a compact, maneuverable platform. The 7.5" barrel in 5.56 NATO delivers the ballistic performance of the standard military cartridge in a significantly shorter package.
Key Features
- Barrel Length: 7.5" - ideal for close-quarters work, vehicle use, or compact builds
- Caliber: 5.56 NATO - widely available ammunition and proven reliability
- Complete Assembly: Includes barrel, bolt carrier group, charging handle, and handguard
- Ready to Install: Simply attach to a compatible lower receiver and you're ready to shoot
What You Get
This complete upper eliminates the guesswork of sourcing individual components. Everything is assembled and tested, so you can focus on building your rifle rather than troubleshooting compatibility issues.
Ideal For
Short-barreled rifle builds, home defense configurations, or anyone seeking a compact 5.56 platform that doesn't sacrifice reliability or ease of use.
Installation
Compatible with standard AR-15 lower receivers. No gunsmithing required—simply slide the upper onto your lower, secure the takedown pins, and you're ready to go.
