I've had a lot of questions about the Slovakian made Grand Power P1 Mk 12 and the PX4 Beretta, both of which use a rotating locking system. Well, I broke down and made an impulse buy with the Grand Power P1 Mk12. This is its first range session to get it ready for the Gauntlet test. How does the Grand Power P1 Mk12 fair on its first range session?
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