Description
The MK2 AR-15 Assembled Upper Receiver comes with the port door and forward assist already installed. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil- spec M16/M4 specifications and features M4 feedramps.
The MK2 Assembled Upper Receiver features Griffin’s anti-rotation interface, which is compatible with Griffin’s Anti-Rotation rails. These uppers will also work with milspec rails, but the anti-rotation rails require these uppers.
Specs:
- Anti-Rotation Tabbed Interface Locks Griffin Rails into the Upper
- 7075-T6 Aluminum
- Mil-A-8625F, Type III, Class2 anodized finish (Black)
- M4 feedramps
- Forward assist & ejection port door included (assembled)
