Description
- 16" M4 Complete Upper with 15" Keymod Forearm
- Carbine Length Gas Set Up
- M4 Contour with a 1-8 Twist
- Chambered in .223 Wylde
- Knight Stalker Muzzle Device
- 9310 steel bolt coated per mil spec
- MPI Tested
The ANDERSON 5.56mm 16in Keymod Complete Upper (B2-K616-AF00) is ready to install on your favorite lower receiver assembly. All you need is a Bolt Carrier Group and a Charging Handle.