Extend your Remington RP9 mags to the max allowable in USPSA competition. Adds three to four rounds over stock (22+1) Works with factory magazine spring Includes modified Arredondo insert (for maximum reliability) Bonus: Extended Remington mags work in Rock Island pistols, with or without a magazine funnel Made in USA, on US-made machines, from US-made aluminum!
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More bang for your buck
These work great on RP9 mags for an RIA 1911 9mm HC. Running a stage with three 22 round mags makes for less reloading and are perfect in the RIA mag well.