AIMS krink help
im looking to get something like a AIMS krink for indoor. im not sure if i can buy these anywhere other than the classifieds. or do i have to like make it myself using an ak47 or 74u body then replacing the stock to my liking and the silencer. i need it for indoor so it has to be 350 and under fps. also if im making it myself what gun would you recommend to start with?