SIG P320 9mm Magazines – Aluminum Magazine Extension – +5 – Black
PLEASE DOUBLE CHECK DETAILS AND FITMENT BEFORE PURCHASE.
The Strike Industries Aluminum EMP for SIG P320 9mm magazines is the premium version of their P320 mag extension line. It is machined from 6061-T6 aluminum, adds +5 rounds, and is built for shooters who want a cleaner extension profile with more rugged construction than the polymer model.
Fitment
- Fits OEM SIG SAUER P320 9mm magazines
- 21-round magazines with included SI spring
- 17-round magazines using SIG OEM magazine spring
- 15-round magazines using SIG OEM magazine spring
- Fits most SIG SAUER P320 grip modules
- Compatible with the SI EMP Pocket Clip
Does NOT fit
- 10-round magazines
- Aftermarket magazines such as ACT, ProMag, or ETS
- May not work with some magwells
What it does
Adds +5 rounds for 9mm while keeping a slim, low drag / no snag profile. Strike also states it fits USPSA 140mm race division limits on 17-round P320 magazines.
Why it’s worth it
If your customer wants a stronger extension than the polymer P320 EMP, this is the better shelf piece. Better material, better perceived value, better fit and finish.
Specs
- Material: 6061-T6 aluminum
- Color: Black
- Capacity increase: +5 rounds for 9mm
- Weight: 1.97 oz
- Fits USPSA 140mm race division limit on 17-round magazines
What’s included
- Aluminum extended magazine plate
- Extended length spring for 21-round magazine body
- 2 set screws
- 2mm hex tool
- Warning card
Install notes
Strike warns not to exceed 7 in-lbs on the set screws. Also note that some 21-round magazines may only achieve +4 initially until the spring breaks in.
Verify before you buy
Verify you are buying for OEM P320 9mm magazines and not a 10-round mag, aftermarket mag, or a magwell setup that crowds the extension.
⚠ Trademark & Compatibility Disclaimer
IronKells Armory LLC is not affiliated with, endorsed by, or sponsored by any manufacturer mentioned. All trademarks are the property of their respective owners and are used only to identify compatibility or fitment.
⚠ Install & Compatibility Disclaimer
Installation should be performed by a qualified armorer or gunsmith. Improper installation, modification, or use may affect firearm safety and reliability. Buyer is responsible for verifying compatibility, performing proper function testing, and ensuring safe operation.
Buyer is responsible for compliance with all local/state laws regarding magazine capacity.
