Magazine Extension for FN 57 (FiveSeven) Pistol - 10rd Extension Made by CMMG

FN 57 Magazine 10rd Extension Kit

We have FN 57 Magazine Extension 10rd For Sale! This is a high-quality mag extension kit made by CMMG. You simply remove floor plate, install extension, insert spring and put the floor plate back.

In stock

SKU FN57EXT

Description / FN 57 Magazine 10rd Extension Kit

Installation takes only seconds and does not permanently alter factory magazine. Chrome silicon spring is salt water resistant and will not take a set. This is a great FN57 Accessory for your FN 5.7x28 Pistol.

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