The TANDEMKROSS "Double Kross" is a complete magazine body that houses two existing BX-1 10/22 magazines in one lightweight compact design. This product is perfect for competition shooters and plinkers alike that are looking to streamline their gear but still have the reliability of the factory BX-1 10 round magazine. When you use up the first 10 rounds, quickly flip it over for another full magazine. Also if you are sick of your black opaque magazines, get the clear "Double Kross" and now have the ability to count your rounds! Unlike other third party couplers, the "Double Kross" fits perfectly in any standard 10/22 magazine pouch, but your really fitting tw Mfg: Tandemkross