New From Strike Industries – Extended Magazine Plate for SIG P320
Glock versus 1911. Nine millimeter versus .45 ACP. The length of James’s shorts. There are many hotly debated topics in the world of guns. One thing we can all agree on, however, is that more rounds are always better. One cannot attend a contest of shooting prowess without noticing that nearly every magazine has been extended. Strike Industries has been offering their Extended Magazine Plate (EMP) for Glock for a while now. Well, now you SIG bois can have a piece too. New from Strike Industries is the Extended Magazine Plate for SIG P320.
The Strike Industries Extended Magazine Plate For SIG SAUER P320 (9mm) was designed to provide smoother magazine reloading through a slow drag / no snag design while maintaining maximum magazine capacity.
Extended Magazine Plate for SIG P320
The standard 9mm SIG P320 magazine capacity is 17 rounds. While nothing to scoff at, Strike thinks that number can be improved. The EMP is a +5, giving you no less than 22 rounds, plus one in the pipe. “But, Nic!” you ask, “What about my 10-round California mags?!” Unfortunately for you, these are neither compatible with 10-rounders, nor will Strike ship them to California. They’re made of impact-resistant polymer, and feature the same steel locking plate found on other models of the EMP. This plate uses a hook design, which Strike Industries claims will increase reliability, due to more locking security.
Specifications are as follows:
LENGTH: 42.40mm
WIDTH: 27.75mm
HEIGHT: 37.30mm
WEIGHT: 1.6 oz
WEIGHT W PKG: 1.7 oz
Package Contents:
-x1 Extended Magazine Plate for SIG SAUER P320
-x1 Extended length spring
-x1 Steel locking plate
-x1 Steel locking plate set screw
If you have experience with the EMP on another platform, you know what you’re getting into here. If not, $19.95 is not a bad price of admission. You can pick some up for yourself here, or find other accessories for your P320 through their main page. Keep up with all things Strike Industries on their Instagram, Facebook, Youtube, and Twitter.
Stemming from his childhood love of WWII history, Nic's passion for firearms continues to grow as his maturity level recedes. He has competed in local USPSA, IDPA, and rifle competitions, and has an almost unnatural affection for Rosie, his Gen3 Glock 19. @the_brutal_rooster
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Mag extenders, with or without additional capacity, can, at times, defeat the purpose of the orginal design of the grip/magazine interface. For example, on a Glock (specifically, G19 Gen 3), using a mag extender can prevent the user from reaching behind the grip opening with a finger to strip out a stuck magazine.
It's a personal choice whether or not to use extenders, but, one should consider how this might alter or impede the originally intended design of the grip/mag interface at the butt end of the grip. Ergonomics are important.
“ If you have experience with the EMP on another platform, you know what you’re getting into here.”
Indeed I do! Some people here might find my experiences valuable.
I put some Strike G17 extensions and springs on/in a few G17 mags before a big competition. They worked during the competition, but shortly afterwards started to give me serious feeding issues, and also the follower started snagging as it transitioned from baseplate to magazine body. I switched out the stock springs for ISMI 140mm springs, which resolved the feed issues, but not the issue of the follower sometimes locking up. And no, I didn’t overtighten the set screw on the back of the extension.
A friend carried a G17 mag with the same G17 extension as a reload, and had an identical issue with follower snag in his mag after a few months. Again, not overtightened.
I also got a family member some G19 +5 extensions and tried installing them on a pair of G19 mags (this was before I’d seen the issues with mine). One unit was missing the threaded metal insert for the set screw entirely. I emailed Strike about this and never received a response.
Strongly advise all shooters to stay away from these products, and probably Strike generally, if this is how they do things.