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The ETS 30-round magazine is designed as an extended capacity option for Sig Sauer P320 pistols in 9mm. Built from clear polymer material, the translucent body lets you see your remaining rounds and ammunition type at a glance, which is useful during range sessions or training drills.
Key features include advanced impact-resistant polymer construction, superior heat and cold resistance that won't degrade the material over time, creep-resistant feed lips and body to maintain integrity when loaded long-term, and a non-tilt follower for feeding support. The magazine includes an ergonomic floor plate designed for easy extraction from mag pouches and comes backed by a lifetime warranty.
The magazine comes from the USA-made product line and uses a base plate compatible with other ETS 9mm magazines, as well as Glock-style extensions for those who want to add custom base pads or extensions. The magazine fits Sig P320 models across subcompact, compact, and full-size frames.
Note that this is a range and training magazine. ETS recommends loading these magazines only when ready to use them, as they may not seat or lock properly in the magazine well when empty. Function-testing with your specific pistol and ammunition before relying on it for serious use is important, as aftermarket magazines can have variable compatibility depending on your individual firearm.
No. ETS magazines are designed to be loaded before insertion into the magazine well. Empty or partially loaded magazines may not drop freely and may require manual removal. This is a known characteristic of the ETS design and differs from factory Sig magazines. Test thoroughly with your specific pistol before using in training scenarios that require magazine changes.
Yes, the ETS 30-round magazine is compatible with Sig P320 subcompact, compact, and full-size frames. However, fit can vary slightly between individual firearms. Some users report tight fits in the magazine well that may require a firm pull to remove, especially when fully loaded.
Brass-cased ammunition loads and feeds more reliably in ETS magazines. Steel or aluminum case ammunition can be problematic, as the different case dimensions and lubricity properties may prevent full loading capacity or cause feeding issues. Test your specific ammunition type before counting on full capacity.
The magazine features impact-resistant polymer with superior heat and cold resistance, designed to resist cracking or becoming brittle over time. The body is creep-resistant to prevent spreading even when fully loaded for extended periods.
The factory Sig magazine uses steel construction and drops free consistently. The ETS magazine is polymer-based and less expensive, but has experienced more variability in fit and feeding across different P320 pistols. The clear body of the ETS allows easy round counting, which factory metal mags do not provide.
Yes. The magazine uses a base plate compatible with Glock-style extensions, so you can add various aftermarket base pads or extensions if desired. The magazine disassembles easily without tools using the specially designed base plate.
| UPC | 854094005782 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SG932030 |
| Brand Fit | Sig Sauer |
| Caliber/Gauge | 9mm |
| Capacity | 30 |
| Model | |
| Model Fit | P320 |
| Quantity | 1 |
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