ALL RECEIVER SET ORDERS ARE FINAL, NO RETURN OR REFUND (CERTAIN EXEMPTIONS MAY APPLY). YOU MUST PROVIDE A FFL OF YOUR CHOICE AFTER THE PURCHASE IS COMPLETE. RECEIVERS ARE NOT SHIPPED TO INDIVIDUALS.
Upper Receiver Features:
Machined to tighter than Mil-Spec tolerances,
The critical tooling dimensions are held to within +/ - .001"
Machined from forged 7075-T6 Aluminum
Black Hard anodized with a surface hardness of 60 Rockwell
M4 Feedramps with .250" Takedown pin holes
Engraved T-marks
Functions with nearly all available AR-15 parts kits and lowers
Match with their Cornerstone lower receiver for a solid and dependable fit
Stripped Receiver DOES NOT include port door, forward assist or any small parts
Lower Receiver Features:
Machined to tighter than Mil-Spec tolerance
The critical tooling dimensions are held to within + - .001
Machined from forged 7075-T6 Aluminum
Black Hard anodized with a surface hardness of 60 Rockwell
Features a nylon tipped tensioning screw to ensure the solid fit
between upper and lower maintains for years to come.
Functions with nearly all available AR parts kits and uppers.
Flared mag well
Pictogram safe and fire indicators
Gator skin marking on the front of the mag well and the distinctive RDMR7 (Rapid Deployment Mission Ready 7) tie the Cornerstone to the Mission Ready of Rifles from RSS DEFENSE CORP.