Sig Sauer P320 10-Round 9mm Magazine - Blued Steel for P320 Legion (Model 8900061)
The Sig Sauer P320 10-round 9mm magazine is a reliable, factory-spec spare mag built for shooters who run the P320 Legion or carry the P320 in standard configurations. Whether you're stocking up for the range, building a rotation for duty or everyday carry, or simply keeping a backup on hand, this blued steel magazine delivers the dependability you expect from Sig Sauer's in-house ammunition and magazine line.
Constructed from steel with Henning Group aluminum basepads, these magazines are engineered to feed cleanly and withstand repeated loading cycles without losing tension or developing feed issues. The 10-round capacity works across P320 Carry and full-size variants—with or without a magwell—making it a versatile addition to any P320 platform setup.
If you shoot a P320, you know that spare magazines are wear items. Mags get dropped, loaded hard, and run through thousands of rounds over time. Having quality factory replacements in your kit means you're always ready, whether you're training for a match, preparing for a hunt, or maintaining your carry gun. This is the magazine Sig engineered for the Legion and standard P320 platform—no guessing, no adapter games.
Key Features
- 10-round capacity in 9mm Luger
- Blued steel body for corrosion resistance
- Henning Group aluminum basepads for durability
- Compatible with P320 Carry, P320 Full-size, and X-FIVE variants
- Works with or without magwell attachments
Specifications
| Manufacturer | Sig Sauer |
| Model | 8900061 |
| Caliber | 9mm Luger |
| Capacity | 10 rounds |
| Material | Blued steel with aluminum basepads |
| Compatible Platforms | P320 Carry, P320 Full-size, P320 X-FIVE Legion |
Frequently Asked Questions
Will this P320 magazine work with my standard P320 without a magwell?
Yes. This magazine is designed to function in any P320 Carry, P320 Full-size, or X-FIVE variant, whether or not you have a magwell installed.
Is this magazine factory Sig Sauer?
Yes. This is an OEM Sig Sauer magazine (Model 8900061), manufactured to the same spec as the magazines that ship with P320 Legion pistols.
What's the capacity?
This magazine holds 10 rounds of 9mm Luger ammunition.
What material are the basepads?
The magazine features aluminum basepads manufactured by Henning Group, paired with a blued steel body for reliability and corrosion resistance.

