ONE OH-CU06 7.5" 300 Blackout Complete Upper
ONE OH-CU06 complete upper receiver in 300 Blackout with 7.5" barrel. Ready to pair with your lower receiver for a compact, versatile AR-platform rifle.
ONE OH-CU06 Complete Upper Receiver
The ONE OH-CU06 represents a straightforward approach to AR-platform rifle building. This complete upper receiver assembly arrives ready to function—no additional gunsmithing required.
Specifications
- Caliber: 300 Blackout
- Barrel Length: 7.5 inches
- Configuration: Complete upper receiver assembly
- Application: AR-15 platform rifles
What You Get
This is a complete upper receiver, meaning it includes:
- Machined upper receiver
- Barrel
- Bolt carrier group
- Charging handle
- Gas tube and block
- All necessary internal components
Why 300 Blackout?
The 300 Blackout cartridge excels in short-barreled rifles. It delivers effective power while remaining subsonic when loaded with heavier projectiles—a consideration for shooters interested in sound suppression. The 7.5" barrel length makes this upper ideal for close-quarters work, home defense, or compact tactical applications.
Installation
Simply attach this upper to your AR-15 lower receiver. No special tools or expertise required. The modular design of the AR platform means you can swap uppers as your needs change.
Quality Assurance
ONE manufactures this assembly to standard AR specifications, ensuring reliable function and compatibility with quality ammunition.
