I have a FA .22 LR mini also. It's amazingly accurate if you hold it exactly
the same for each shot. I've won bets by hitting a full-size silhouette target at 100 yds five out of five.
I chronoed it with various loads. Not too shabby out of a 1" barrel.
Rem 40 gr Match 744 fps, SD 14
Fed Champion 810 fps, SD 27
CCI Mini-Mag HP 870 fps, SD 28