got over 400 rds. through mine 5-6 different brands and weights of ball rounds and 5-6 different brands and weights of hollow points. not one hiccup. all sling shot method of charging.
the 124 federal hst +p are a handfull
Do you have any chrono data on any of them? Inquiring minds want to know. BTW, mine worked fine yesterday using the sling shot method.