Hey folks. I have about 700 rounds through mine. I have 2 mags that came with it, and 2 Wilson and 2 Chip McCormick mags. No issues at all with the Springfield mags, but with the other types I get failure of slide to lock back after the last round. Any ideas? Does this thing just only like Springfield mags, or do I maybe need a few hundred more rounds to break it in? LGS recommended 500 for break in, and I'm a bit past that...
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