HK MAG USP 9MM EXPERT 18RD REQUIRES JET FUNNEL

Also fits USP9 full size handguns. - USP Expert 9mm Magazine 18 rounds. Will also fit all HK USP 9mm full size handguns. This item can be used with or without the jet funnel mag well installed. Note: the magazine will extend below the bottom of the magazine well on a standard USP unless Jet funnel kit is installed.