THEY WORK!!!! about one hr after posting this forum I walked outside and right down by woodline were 4 hogs I stepped into my room grabbed the .22 loaded it and walked back out and picked out the biggest one and got 1 shot behind her eye and she dropped but i unloaded all 15 shots (Just in Case) well she turned out to be about 80 lbs. but yea the stingers tore the crap outta the skull after i skinned her i inspected the damage and the brain was about liquified. with 1 WELL placed shot.