- Picatinny flat-top railed receiver
- Carbine-length gas system
- G10 composite carbine-length handguard
- Picatinny railed gas block
- Military-style trigger
- 16-inch, tightly-dimensioned, 416 stainless steel, 1:8 twist, fluted barrel
- Muzzle threading is 5/8-24 TPI RH
- Direct impingement operating system
- Upper receiver features extended feed ramps
- Stock extension tubes and carrier gas keys are properly staked
- This weapon will fire both supersonic and subsonic ammunition
- Weight of upper is 4.15 pounds
All uppers and rifles are built to order and have an estimated lead time of 4-6 weeks.
All Alexander Arms® upper receiver assemblies are fully-complete, function-tested, and ready to fire.
This product features a flash hider that is prohibited in states such as New York, New Jersey, and Connecticut. At this time, no upgrade options or alternate muzzle devices are available. The standard, high-capacity magazines included with the rifle are prohibited in states that have high-capacity magazine restrictions. Alternate magazines are not available at this time. Orders placed from any of these states will be shipped without the complimentary magazine.