Rock River Arms 9MM Magwell Conversion Block
This Magwell Conversion Block fits any Mil-Spec Lower Receiver. It is manufactured by Rock River Arms. This magwell accepts RRA, Colt, ProMag, and other 9mm Magazines.
For lower receivers WITHOUT integral magwell.
For lower receivers WITHOUT integral magwell.
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- Item #: RRA-9MM0115
- Manufacturer: Rock River Arms
