P250, P320, & P320 X-5 Pistols
I have a P250 in 9mm and 45acp. I had the 40 S&W exchange kit and the it shot low. Sent it to Sig and the pu the correct ones on and it's very accurate. Well my 9mm also shoots low. I have only used WWB and my reloads @ 15 yds. I get very nice groups but about 4-5" low. My question is: could...