S. Arms Midcap Magazines are soon to arrive at Spartan Imports... "Arriving at Spartan Imports is the latest and greatest in Airsoft magazine technology! With near hi-capacity magazine capacity, the S.ARMS midcap magazines offer springloaded, non-winding feeding reliability and stealth of a standard low roundage magazine!  No rattling of bbs inside means players can move covertly across an area quickly and safely!