Quote Originally Posted by Chowser View Post
has anyone tried the Checkmate 2011 mags in their guns?

My gen2/3 Staccato mags worked fine in my Prodigy. Better than the Duramags.
The Duramags ran fine in my Staccatos.
The Checkmate, in my experience, need tuning. A new stronger mag spring probably won't hurt anything either.

All three of my CM mags developed a pretty good gap between the top round and the next round in the stack as the rounds were loaded. Maybe not a big deal when running FMJ but I did have some nosedive feed failures with JHP.

After the feed lips and the tube bodies, as shown in several videos from Atlas Gun Works, they feed fine now. Rounds stack one on top of the other nicely with no huge gap.

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