My cousin had one of them back in the mid 70's. It shot prb's ok but surprised us. We got a box of maxi-ball & it mayhave been 60 gr or so of ff goex. It shot well enuff at 50 yds to put 5 shots into a playing card & wasn't with-in an inch of the edge. Think it clustered all 5 in an 1 1/2" group