Thermold Ruger Mini-30 7.62x39mm 26-Round Polymer Magazine
Check out the Thermold Ruger Mini-30 In 7.62x39 Magazine. This bad boy expands from 26 Round capacity in the closed position to 40 Round capacity when placed in the extended position. In order for you to extend the mag simply depress the center of the magazine and pull down the bottom. Put into action your operations and drills with this expandable magazine.