I've only been on one P Dog shoot. That was over 2 years ago in S.E. Colorado. I used my CZ 457 .17 HMR Varmint exclusive. Out to 200 yards with no problems. My Brother in law kept telling me to shoot his 22/250. "I said why?" At that time, about $1.75 per round VS. my 17 HMR about .30 CPR or...