5.7 10rd Mag Extension. The ultimate upgrade to your 5.7x28 pistol. Simply remove floor plate, inspect factory mag opening for burrs (remove burrs as necessary) install extension, insert spring and add floor plate. Installation takes only seconds and does not permanently alter factory magazine. Chrome silicon spring is salt water resistant and will not take a set.
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Caliber : 5.7mmX28mm
Capacity : 10 rd
Finish : Black
Model : Five-Seven
Current Reviews: 0
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