Finally, you can grab what GGP considers the best forged upper in the industry, and it is a perfect companion for your GGP Cornerstone Lower receiver.
- Material: Machined from forged 7075-T6 Aluminum.
- Finish: Black Hard anodized with a surface hardness of 60 Rockwell.
- M4 Feedramps.
- .250″ Takedown pin holes.
- Engraved T-marks.
- Compatability: Functions with nearly all available AR-15 parts kits and lowers.
- Match with GGB’s Cornerstone lower receiver for a solid and dependable fit.
- Stripped Receiver DOES NOT include port door, forward assist, or any small parts.
- Weight: 0.4 lbs.