I exploit this for loading RWS 45ACP match brass that that takes advantage of small foundation primer for Better Tension loading in Striker fired pistols for Level of competition shooting. will work wonderful when. Would advise this if you ever elect to use this kind of brass. Winchester assures improved https://winchester-small-pistol-p52840.ssnblog.com/14663980/winchester-small-pistol-primers-an-overview