The Pearce extension replaces the magazine floor plate adding two rounds capacity to Glock factory 20/21/29/40/41 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.
*Item must be returned in unused condition and in the original manufacturer's packaging (if applicable).
If an item arrives non-defective and accurate to its description, this guarantee does not apply and returns will not be organized in those situations.
Please confirm compatibility and specifications with us regarding item Pearce Grip Magazine Extension Extended 10mm Auto/45 before purchasing if you are unsure.