512 daddy Posted November 6, 2018 Report Share Posted November 6, 2018 New cz 512 bought 2017 first 100 rounds no probs then jams mag spring not lifting the noise up enough.turn spring over feed is smoother.bought new mag .spring installed incorrectly turned spring over so it lifts the noise of bullet.two drops rem tefflon in mag slide. I was all apprehensive about the first one going in ruff , now supper smooth. Hope this helps. Quote Link to comment Share on other sites More sharing options...
TIGHTCHOKE Posted November 6, 2018 Report Share Posted November 6, 2018 Teflon is great stuff we use it on the semi-Auto shotguns. Quote Link to comment Share on other sites More sharing options...
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