WARNING
You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box.
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This extension replaces the magazine floor plate adding two rounds capacity to Glock factory M20M21M29M40 and M41 magazines. This unit is for use on high capacity magazines only it will not work on the 10 round M20 and M21 magazines. Not for use on Glock M30 10 round magazines.
These units will work on both third and fourth generation Glock models
These units will work on Glock M30 9 round magazines enabling the magazine to hold 11 rounds.
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