Springer Precision

+5 Mag Extensions for Sig Sauer MPX THRiL Mags


The Springer Precision +5 magazine extension for the 2022 THRiL designed MPX magazines. This design is also the new style OEM magazines for Sig Sauer. These extensions work with the factory magazine spring and you will just need to remove the factory basepad retainer for installation. We designed these so you don't have to down load one round making it a true +5.

New THRiL MPX Magzines



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1.00 Ounces