Posted: 10/15/2021 10:12:27 AM EDT
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I recently bought a new CMMG Mk9 and Metalform mags works great, but the bolt catch finger is not quite long enough to reach the Duramag follower and the bolt slams into the back of the follower. The same magazine works OK in a Spike's magwell adapter. CMMG says both mags should work. I ask if all their bolt catches are the same but can't get an answer. Are you able to use Metalform and C-Products/Duramag magazines in your Mk9? Thanks,, Joe |