This flattop A3 upper receiver comes complete with charging handle, bolt carrier assembly, aluminum tubular free-float handguard, Picatinny-style rail gas block and target crowned muzzle. The 24" button rifled Ultramatch barrel is chambered for 25 WSSM with a 1 in 10" rate of twist. WSSM uppers do not come with a brass deflector or ejection port cover. Ready for installation onto any standard AR-15 lower receiver. Includes one 6 round magazine. Lifetime factory warranty.
- Upper Receiver Type: A3 Flat-Top
- Barrel Length: 24"Bull
- Barrel Contour: Not listed by manufacturer
- Barrel Material: 416 Stainless Steel
- Muzzle Thread Pattern: N/A
- Chrome Lined: No
- Barrel Finish: Black Matte
- Twist Rate: 1 in 10"
- Chamber: 25 Winchester Short Magnum
- M4 Feed Ramps: Not listed by manufacturer
- Muzzle Device: N/A-Crowned
- Gas System Length: Rifle
- Gas System: Direct Impingement
- Gas Block Diameter: Not listed by manufacturer
- Handguard: Aluminum Free Float
- Sights: None-Includes Picatinny Rail Gas Block
- 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.