Description
The stock magazine release on the SIG P320 and M17 works fine, but plenty of folks find it sits a little flat and takes a bit of a reach depending on hand size and grip module. The Magpul SG9 Enhanced Magazine Release fixes that with an extended, contoured button that gives your thumb a real surface to press against, so reloads feel quicker and more deliberate without changing your grip.
What Sets the SG9 Mag Release Apart
Magpul went with heavy-duty steel and a corrosion-resistant QPQ finish, so this is not a soft part that wears down over time. The face has custom jimping that grabs your thumb for positive contact, which makes a noticeable difference when your hands are sweaty, cold, or you are wearing gloves. It is a subtle upgrade on paper, but the added reach and texture are the kind of thing you feel every time you run the gun.
Installing the SG9 on Your P320 or M17
This is about as painless as pistol upgrades get. Installation only takes a paperclip or a 0.05 inch hex wrench, and most people have it swapped in under a couple of minutes. The design is reversible, so whether you run the release on the left or right side, it works the same. That ambidextrous flexibility makes it a solid pick for left-handed shooters or anyone who has set up their pistol for weak-side use.
Who the SG9 Release Is Built For
If you carry your P320 daily, shoot it at the range, or run it in competition, a mag release you can hit consistently matters. This one fits the full-size, compact, and sub-compact P320 family along with the M17 and M18, and it carries the same Magpul reputation for gear that holds up. Made in the USA, it is a low-cost way to make a well-liked pistol feel even better in the hand.
Key Specifications
- Manufacturer: Magpul Industries
- Manufacturer Part Number: MAG1397BLK
- UPC: 840815147848
- Fitment: SIG P320 / M17 / M18 (full-size, compact, sub-compact)
- Material: Heavy-duty steel
- Finish: Corrosion-resistant QPQ, Black
- Hand Orientation: Reversible / Ambidextrous
- Installation Tools: Paperclip or 0.05" hex wrench
- Country of Origin: Made in the USA
- Shipping Weight: 0.056 lb
What’s Included
- Magpul SG9 Enhanced Magazine Release (1)
Frequently Asked Questions
Will the Magpul SG9 release fit my P320 variant?
Yes, it is designed for the SIG P320/M17 family and works across full-size, compact, and sub-compact frames. It also fits the M17 and M18 service pistols. If you run an aftermarket grip module built to P320 spec, it should drop right in as well.
How hard is it to install the SG9 mag release?
It is one of the easier pistol upgrades out there. You only need a paperclip or a 0.05 inch hex wrench to depress the retention detent, swap the button, and reset it. Most people finish the job in a minute or two.
Can left-handed shooters use this mag release?
Absolutely. The SG9 is reversible, so you can set it up on either side of the frame with no extra parts. That makes it a good match for southpaws or anyone who prefers weak-side magazine changes.
What is the SG9 made of and will it hold up?
It is built from heavy-duty steel with a corrosion-resistant QPQ finish, so it is far more rugged than a coated aluminum part. That construction handles daily carry, range time, and rough weather without wearing down. It is made in the USA to Magpul's usual standards.





Reviews
There are no reviews yet.