In my original First Shots video with the Beretta ARX100 I mentioned that the gun didn't work with Gen 3 PMAGs. That set-off a bit of a firestorm in the comments and I wanted to clear the air on what mags do work and what mags do not.
Gas Trap M1 Garand
Beretta 92 Compact M9A1 Inox Pistol Review (HD)
EMF Alchimista III Single Action Revolver
CZ 805 Bren PS1 Pistol Review: Smooth like Butter
Squib Load Danger