I had a mag drop twice when loaded with Federal Premium Hydra-Shok 185 g (+P). When I loaded the same mag with Freedom Munitions 230 g remanufactured ammo, the mag did not drop. I loaded other mags with Speer LE Gold Dot 185 g and the Freedom Munitions, and none dropped.

The extra recoil of the (+P) ammo caused the muzzle to flip up more than with the other ammo, which caused my right-hand thumb to accidently engage the mag release. Once I figured out what was going on, I adjusted my grip. Also, I will not be using the Hydra-Shok or any (+P) for SD in the .45 Shield.

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Inconsistently consistent