RIA-MAG 19 Round for Rock Island Imports VR60 and Bull Rocket. – This magazine is interchangeable with other RIA VR Shotgun Series – RIA imports VR Series 19 round magazine is constructed with a Steel magazine body for durability along with a chrome silicon magazine spring other features include a polymer anti-tilt follower and base plate. This magazine will fit both the VR-60 the VR-60 plus and VR-80 along with the Bull Rocket bullpup shotgun.