Frequently bought together:
Description
The fit and finish of the Cornerstone will provide the right start to a reliable and strong AR build. Machined to tighter than Mil-Spec tolerance, the critical tooling dimensions are held to within +/ - .001".
Features :
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Features :
- Black Hard anodized with a surface hardness of 60 Rockwell
- 7075-T6 Aluminum
- Flared mag well