- Upper Receiver Type: Flat-Top
- Barrel Length: 18"
- Barrel Contour: Not listed by manufacturer
- Barrel Material: Chrome Moly Steel
- Muzzle Thread Pattern: N/A
- Chrome Lined: Yes
- Barrel Finish: Black Matte
- Twist Rate: 1 in 10"
- Chamber: 308 Winchester
- M4 Feed Ramps: No
- Muzzle Device: None-Bull Barrel
- Gas System Length: Carbine
- Gas Block Diameter: Not listed by manufacturer
- Handguard: Free Float
- Sights: None
- Bolt Carrier Assembly Included: Yes
- Bolt Carrier Type: N/A
Please Note: Installation of AR-15 upper assemblies with certain features including, but not limited to: flash hiders, bayonet lugs, and threaded muzzles may violate state and/or local laws.