KRISS Super V 30 kit quickly converts your Glock 21 magazine to hold 30-rounds. Easy to install, no tools required. Fits G21 and G21SF magazines.
*Note: First generation NFML G21 magazines (circa 1995 and older), will have occasional functional issues that can cause the follower/spring assembly to hang up as the magazine unloads. Best results will come from using the newer generation G21 magazines.
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