CMMG Mag. Ext. Kit 5.7x28 Pistol
$17.99
CMMG Mag. Ext. Kit 5.7x28mm Pistol
Increase the capacity of your 5.7x28mm magazines by 10 rounds. This magazine extension kit is only designed to work with Gen 1 FN®* Five-seveN®* mags
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CMMG Mag. Ext. Kit 5.7x28mm Pistol