Getting ready to purchase a Rock Island framed custom 2011 open. I believe I read somewhere they take Para mags? I've also read on here some folks have not had any issues with using STI/MBX style mags. Gun is chambered in 9mm major. What do you think? Or should I just purchase Para style mags?
Hey there folks, been lurking on and off for 15 years. Been reloading for about 16 years as well. Have a Dillon 550 reloading 9mm and 223
Finally signed up here after shooting my first uspsa match.