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The “Mighty Mouse” Beretta 21a

Doing this review for 2 reasons. First, Jill (head of Mom-At-Arms) makes fun of this little pocket pistol, so ha! Second, it’s really a great firearm to use as a backup, deep concealment weapon, or use when carrying a larger firearm isn’t an option (such as when you’re going for a jog or something).


The 21a is a double action/single action pistol that is meant to be carried cocked and locked, but for those that want to carry it in double action first shot, you can do that too. The magazine holds 7 rounds, so a total of 7+1. Not bad for a DA/SA pocket pistol that’s only slightly larger than a credit card!








Plenty of other reviews out there on this gun that have more details (such as the nifty flip up barrel and why it’s useful for those that have trouble racking slides and also for safely decocking the pistol), so let’s get to the good stuff. 7 yards out shooting offhand and not going for tight groups: