Add 4 rounds to your G21 magazines! Machined from billet aluminum, this magazine extension is engineered to add 4 extra rounds to the standard Glock 21 magazine. It comes with a special, extra power spring that is designed to handle the extra rounds. Simply replace your factory magazine extension This extension is used by top competition shooters nationwide and works flawlessly.
PLUS 4 MAGAZINE EXTENSION FOR GLOCK .45ACP
Categories: ACCESSORIES, Extensions
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