Odin Works Mag Ext For Sig 320 +5 Bk
Odin Works
$37.05
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Odin Works
Odin Works Mag Ext For Sig 320 +5 Bk
The Odin Works PMB (Pistol Magazine Base) for the SIG Sauer P320 is a precision-machined aluminum magazine extension that adds 5 extra rounds to your P320 magazines while delivering the ergonomics and weight balance competitive shooters demand.
- Adds 5 rounds of capacity to standard SIG Sauer P320 magazines
- Remains within USPSA 140 mm gauge limits for competition legal use
- Weighted base promotes faster, more reliable magazine drops and changes
- Ergonomically contoured to fit naturally in the palm for effortless stripping
- Machined from durable 6061 aluminum for long-lasting competition performance
- Includes extra power spring, threaded push-pin, and Allen wrench for easy install
Who This Is For
The Odin Works P320 PMB is purpose-built for USPSA, IDPA, and practical shooting competitors who run the SIG P320 and need maximum capacity without sacrificing speed or reliability. It's equally at home on a home-defense or range pistol where a confident grip and fast reloads matter. If you're serious about your P320 setup and want a magazine base that works as hard as you do, this is the upgrade worth making.
Specifications
| Brand | Odin Works |
|---|---|
| Model | PMB – SIG Sauer P320 |
| Color | Black |
| Capacity Increase | +5 Rounds |
| Material | 6061 Aluminum |
| Weight | 1.5 oz (Base and Screw) |
| Dimensions | 1.6" x 1.2" x 1.12" (at widest points) |
| Compatibility | SIG Sauer P320 |
| USPSA Legal | Yes – within 140 mm gauge limit |
| Includes | Extra Power Spring, Threaded Push-Pin, Allen Wrench |
Frequently Asked Questions
Which SIG Sauer P320 magazines is this extension compatible with?
The Odin Works PMB is designed specifically for SIG Sauer P320 factory magazines. It is compatible with standard double-stack P320 magazines across the full-size and X-series variants. Always verify your specific magazine model before installing to ensure a proper fit and reliable function.
Is this magazine extension legal for USPSA competition?
Yes. The Odin Works P320 PMB is engineered to remain within the 140 mm overall length gauge limit required for USPSA Limited and Production divisions. That said, rules can change and vary by division, so it's always a good idea to confirm current USPSA rulebook requirements or check with your match director before competing.
How difficult is it to install the Odin Works PMB on my P320 magazines?
Installation is straightforward and tool-assisted — Odin Works includes an Allen wrench, threaded push-pin, and extra power spring with every PMB. Most shooters can complete the swap in just a few minutes without any gunsmithing experience. Simply remove your existing magazine baseplate, seat the new extension, install the upgraded spring, and secure with the provided push-pin and Allen wrench.
