I have one, and as others have stated they are ammo sensitive. Mine seems to require HV, but not Hyper velocity. Every year when our winter bullseye is finished several of us have a "Jennings" match. We called it that as most of us were shooting the little Jennings pocket .22's. We shoot a 50' B3 T&R target, 30 shots, any way you want (supported, leaning against the wall , 2 hands, etc.) I traded my Jennings off a few years ago on the Beretta 21A, and it shoots just about as well as the Jennings did. We all can usually hold all shots on the B3 target at 50', and the best I have shot was 237 out of 300 possible. It's hardly a target gun, but is accurate enough for what it's designed for.

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H Richard
SWCA1967 SWHF244