TACCOM designed this mag extension for the SIG MPX with you in mind. Running this in a match will let you clean the mags with ease and give you 50 rounds total per mag!* You won’t need to make any modifications to the follower as well. If you’re thinking of doing some upgrades on your SIG MPX for competition, this a great place to start!
• Adds 20 more rounds
• Designed for fast, easy cleaning
• Allows for bolt hold open
• Made of Delrin
• Comes with spring
• Machined in house
* Designed to be used with SIG MPX 30 round magazines.
* SIG MPX magazine not included.
***NOT FOR SALE IN CALIFORNIA***