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The P320 XTEN is already a serious pistol, and this OEM 10-round magazine is the factory-spec feeding solution to go with it. Manufactured by Sig Sauer to fit the full-size and carry P320 frame in 10mm Auto, this is the same magazine that ships with the gun — not a third-party knock-off trying to get close.
Construction is steel throughout the body, heat-treated and coated to hold up over time and through heavy use. The anti-tilt polymer follower keeps rounds feeding at the right angle under spring pressure, which matters a lot with a straight-walled cartridge like 10mm. The high-impact polymer floorplate rounds out the build and is removable for cleaning when needed. Rear-facing numbered witness holes run along the back so you can get a quick round count without having to drop the mag and count by hand.
This is a 10-round version, which makes it useful where higher-capacity options aren't practical, and it maintains the same reliable function you'd expect from any factory Sig magazine. If you're running an XTEN and want a true spare — or just want a backup that's guaranteed to work — this is exactly what you want sitting in your range bag.
Yes, this magazine is designed for the P320 full-size and carry frames chambered in 10mm. The XTEN platform uses a larger frame than standard P320 9mm variants due to the size of the 10mm cartridge, so this mag is specific to that configuration and won't interchange with 9mm or other caliber P320 magazines.
This is an OEM factory magazine made by Sig Sauer — MPN 8901659, UPC 798681697656. It's the same magazine that ships with the P320 XTEN pistol from the factory, not a third-party alternative. With a hard-hitting caliber like 10mm, running genuine factory components is the smart call for consistent feeding and reliability.
Sig Sauer offers the P320 XTEN magazine in both 10-round and 15-round versions. The 10-round variant is useful in areas with magazine capacity restrictions, or simply as a compact training option. Both versions share the same quality construction — it's just a matter of how many rounds you need in a given application.
The rear-facing numbered witness holes are cut into the back of the magazine body so you can see the cartridges stacked inside and gauge your remaining round count at a glance. It's a simple but genuinely useful feature when you don't want to drop the mag to check how loaded you are between strings of fire.
Yes, the high-impact polymer floorplate is designed to be removed for field stripping and cleaning. Regular magazine maintenance — disassembling, wiping down the internals, and inspecting the spring and follower — helps keep any magazine running reliably over the long haul.
| UPC | 798681697656 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 8901659 |
| Caliber/Gauge | 10mm |
| Capacity | 10 |
| Length | 9.5 |
| Model | |
| Package Height | 1.8 |
| Package Width | 4.1 |
| Product Type | Accessory-Magazines |
| Shipping Weight | 0.30000000000000004 |
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