Loading... Please wait...


Always Enjoy

Free Shipping

On Orders Of $200
Image 1
Image 2
Image 3
Image 4
Image 5
Image 6

Base Pad For Sig Sauer MPX 9mm 30 Round Stock Magazines


Choose Your Options


Always Enjoy Free Shipping On Orders Of $200

Product Description

Not for sale to California residents. A courtesy email will be sent to CA residents who place an order for a base pad that has the capability of taking a magazine past ten rounds. Ultimately a refund will be issued. CA residents can only purchase +0 base pads or GLOCK 43 and GLOCK 42 base pads. The 43 and 42 base pads do not take the mag capacity past ten rounds.

Installation Tip: Remove the stock MPX base plate and floor plate from the magazine so that only the spring and follower should be left. Slide the base pad onto the magazine and then finish pressing it into place abruptly and firmly. Easing the base pad onto the magazine may result in the spring not dropping fully into the pocket in the base pad.

TTI Firepower Sig MPX Carbine Magazine Extension:
- Comes with extra power Silicon Carbide spring to enhance feeding and to ensure slide lock.

- Overall weight 4.7oz.

- Length, 2 inch.

- Patented, proven push-pin design.

- No tools needed, just push the pin down, slide the base pad onto the magazine and push the pin up to lock the base pad onto the magazine. Easily attaches and detaches from the magazine.

- No specialty tools, devices, or additional springs required for assembly/disassembly, simply pop off the basepad and remove the insert at the bottom of the spring and slide on the extension.

- One piece design; no small parts to keep track of.

- Minimal length addition to allow usage while in a prone position.

- Holds 41+1 in 9mm.

- The added weight helps the magazine drop free easier for faster reloads.

- CNC machined from billet aluminum.

- Hard anodized.

- Made in the USA.

This Taran Tactical Innovations Sig MPX Carbine base pad works on the Sig MPX stock 30 round 9mm magazine. This TTI base pad will add 11 extra rounds to your stock Sig MPX Carbine 30 round magazine. This TTI base pad does add a little extra weight to the magazine which helps the empty mag drop free easier for faster reloads. This TTI Sig MPX base pad, just like all of our base pads, is designed to give you the edge over your adversaries. We use our patented push pin design to lock the base pad to the magazine, which makes for easy field stripping and cleaning your magazines between stages. Just push down the pin, slide the base pad on and push the pin up to lock the base pad onto the magazine. Our one piece design is great because there are no extra parts or tools needed to attach the base pad to your magazine. The base pad itself is machined out of billet aluminum and is hard anodized to ensure durable long lasting color. All machining and manufacturing is done in the USA.

WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

Product Reviews

Write Review

Showing reviews 1-10 of 39 | Next

  1. Quality I’ve come to expect.

    Posted by Cody on Mar 30th 2020

    Just like other TTI base pads I’ve previously purchased, these function perfectly and look great. Highly recommended.

  2. Great addition

    Posted by J Patridge on Mar 24th 2020

    The best product from a great company

  3. Had to buy more

    Posted by Kit Sieg on Jan 30th 2020

    Purchased (3) for my MPX, worked flawlessly, had to buy (3) more. Not only do they look great, they are solid. Well done.

  4. TTI +11

    Posted by Christian Larkins on Jan 20th 2020

    Bought this product and love it, with a basic knowledge of how guns and magazines work it makes for an easy install that ups your mag cap and looks stylish while doing it.

  5. Excellent

    Posted by Frank on Jan 15th 2020

    Excellent product easy to install perfect fit and finish amazing

  6. Awesome quality

    Posted by Jason on Jan 13th 2020

    Don’t waste your time reading reviews! These are to notch and a great upgrade for your MPX. If you are looking then you already know how good TTI products are. You cannot go wrong.

  7. John Wick, give me my base pads back or I'll come get them!!!

    Posted by Lando on Jan 9th 2020

    So, I loaned a few of these bad boys to JW himself.......and he has yet to return them! I completely understand, they are very well built, easy to install, come with an extended spring, are available in a variety of colors..........and just plain awesomeness! JW, you killed 77 people over a dog, don't make me come after you for my base pads!!!

  8. Fixes the MPX

    Posted by Sam Barker on Jan 6th 2020

    I gotta say, my biggest annoyance with the MPX has been its magazines. It is a solid 2 inches longer than the Scorpion magazines that hold the same amount of 9mm. These base pads make that length of a magazine make sense when they suddenly hold 11 more. Easy installation and practical.

  9. Excellent fit and finish

    Posted by Unknown on Nov 20th 2019

    Easy installation. Allows you to fully load the magazine (40 rounds) with no loading issues from the rifle. I had the stock magazine/springs and the rifle wouldn't chamber the first few rounds when I fully loaded (30 rounds) the mag. I don't have this problem with TTI's base pad. Ya!!

  10. Excellent product

    Posted by Thomas Weise on Oct 25th 2019

    Quality of workmanship is excellent, tight fit on the mag, no worries about it coming loose.

Showing reviews 1-10 of 39 | Next

Find Similar Products by Category