The MPX Magazine XTenstions are made from high quality aluminum and hard anodized to provide an ultra durable platform to support the MPX magazines. These XTensions are designed by shooters for shooters for the SIG MPX magzine   Our XTentions are designed to interlock with each other and can add up to 7 rounds of 9mm per Xtension.  These units are easy to remove and clean. Whether it is for duty use, competition, or recreation, this is a great addition to your MPX.  For use with 30rd mags only in conjunction with our Sig MPX +10 magazine extenstion (sold separately}.   

Weighs: 0.14 LB

Must be used in conjunction with our PCC extra power magazine spring (sold separately) for the MPX extensions. 

***MODIFICATION ON THE MAGAZINE FOLLOWER IS REQUIRED***

***DO NOT USE THE BOTTOM PLATE ON YOUR MAGAZINE SPRING.***

***THIS IS NOT A STANDALONE ITEM***

***BOTTOM PLATE NOT INCLUDED***