The only one not limited is the M1icon rifle, mercifully. That's another reason I have one. The ones that can fit a mag marked for pistol, Storm, M4, JR carbine and so on, can use a ten rd but only if it's as factory issued. Yes, you must butcher your G41/43 mag...there's a rule about pre 1945 mags not being blocked but it's somewhat cloudy and I sure wouldn't test it. I think you'd find yourself fighting in court.
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