Description
This 10-round magazine is Sig Sauer's factory original for the P320 X-Five Legion platform, built from steel with a black finish. The real difference here is the Henning Group aluminum basepad, which isn't just for looks. It's milled and checkered aggressively enough to give you a solid grip when you're loading or manipulating the mag, and it matters whether you're running the magwell or without it.
P320-XFive Legion Magazine Compatibility
These magazines work across the entire P320 lineup, not just the Legion guns. You'll get reliable function with any P320 Carry, Full-Size, or X-Five variant, whether you have the magwell installed or running a standard module. They're also compatible with P211 models when the factory magwell is installed. The key difference between this and older P320 magazines is the design of that basepad, which works properly with the Legion grip geometry and modern magwell setups.
Construction and Design Details
The mag body is nitride-coated steel with a high-tensile steel spring inside. Sig equipped it with an anti-tilt polymer follower to keep rounds seated right and feeding predictably, and you'll find factory-drilled witness holes on the side so you can see your round count at a glance. It's straightforward, proven hardware from a company that designs for professional use.
Sig stands behind these as genuine replacements because a magazine is one of the components that directly impacts reliability. This isn't an afterthought. The 10-round capacity makes it practical for most shooting scenarios, training sessions, and it remains widely available. If you already run a P320 in any configuration or you're building one out, stocking a few of these is smart. Bring extras to the range.
Key Specifications
- Manufacturer: Sig Sauer
- Manufacturer Part Number: 8900061
- UPC: 798681619658
- Caliber: 9mm Luger
- Capacity: 10 rounds
- Magazine Length: 8.4 inches
- Material: Steel body, aluminum basepad
- Finish: Black nitride-coated
- Basepad: Henning Group milled aluminum with aggressive checkering
- Follower: Anti-tilt polymer
- Spring: High-tensile steel
- Witness Holes: Factory-drilled side witness holes
- Compatible Models: P320 Legion, P320 Carry, P320 Full-Size, P320 X-Five, P211 with magwell
- Magazine Type: Detachable
What’s Included
- One 10-round Sig Sauer P320-XFive Legion magazine
Frequently Asked Questions
Will this P320-XFive Legion magazine work with other P320 models?
Yes. These magazines function in any P320 Carry, Full-Size, and X-Five variant, with or without the magwell installed. They're also compatible with P211 models when equipped with the factory magwell. The key is that this magazine uses the modern Legion-style basepad design, which works reliably across all these configurations.
What makes the Henning Group basepad different from standard P320 magazines?
Henning Group manufactures a milled aluminum basepad with aggressive diamond pattern checkering that provides superior grip when loading or manipulating the magazine. Beyond ergonomics, the basepad design ensures proper seating with magwell-equipped frames, which older round-peg basepads don't handle as reliably. It's built to professional standards used by competitive shooters and law enforcement.
Can I use this 10-round magazine for competition shooting?
Yes, this magazine is suitable for most competitive shooting disciplines and training. For USPSA Production division, where 10-round limits apply, this magazine is ideal right out of the box. Verify your specific sport or event's magazine requirements before competition.
Is this a factory OEM magazine from Sig Sauer?
Yes, this is a genuine Sig Sauer factory original magazine. It comes assembled as Sig manufactures it for the P320-XFive Legion platform. All components, including the steel body, high-tensile spring, anti-tilt follower, and Henning Group basepad, are factory-standard.





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