- Upper Receiver Type: A3 SASS Flat-Top
- Barrel Length: 18"
- Barrel Contour: Not listed by manufacturer
- Barrel Material: Stainless Steel
- Muzzle Thread Pattern: Not listed by manufacturer
- Chrome Lined: No
- Barrel Finish: Black Matte
- Twist Rate: 1 in 10"
- Chamber: 308 Winchester
- M4 Feed Ramps: Not listed by manufacturer
- Muzzle Device: Flash Hider
- Gas System Length: Rifle
- Gas Block Diameter: Not listed by manufacturer
- Handguard: Free Float Quad Rail
- Sights: Magpul Flip Up Rear and Front Sights
- 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.