CROSS INDUSTRIES PISTOL MAGAZINE SET - .223/5.56/.300BLK, 10-RoundCROSS MAG AR15 Pistol Coupling Magazine Featuring a unique coupling mechanism integral to the floor plate, couple two magazines end to end in 4 unique configurations in seconds, allowing faster reloads so you can RETURN MORE FIRE Designed and manufactured in house at our state of the art factory in Canada, we know what it takes to withstand frigid temperatures, rough handling and competition use. The transparent bodies allow quick visual indication of