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CMMG 9 AR Conversion Magazine (modified PMAG) for use with a CMMG 9mm Radial Delayed Blowback (RDB) upper.
- Seats into an AR-15 mag-well
- Holds up to 30 rounds of 9mm ammunition
- Feeds CMMG 9mm RDB upper receivers
- Maintains last-round bolt hold-open functionality
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