Chopper92

Hi guys I've got the Umarex H&K UMP sportsline edition and was looking for a silencer to fit to the gun purely for cosmetic reasons and to add a bit of range, i was just wondering how easy it is to change out the barrell for this gun and fit an after market barrell and silencer? Has anyone done this before ? i hope so as umarex don't produce a silencer compatible for this gun as standard, so it will have to be some work to change it to accomodate an aftermarket silencer and barrell. Thanks !