Description
SIG SAUER P365 21-Round Magazine — Coyote Tan
Increase your on-hand capacity with a factory SIG SAUER extended magazine built for compatible 9mm P365-family pistols. Manufacturer part number 8901595 combines a 21-round capacity with a coyote-tan polymer baseplate, giving shooters an OEM magazine option for training, competition, range use, or maintaining a ready spare. The extended format offers substantially more ammunition capacity than flush-fit P365 magazines while retaining the materials and dimensions specified by SIG SAUER for this product.
Factory Construction and Identification
This magazine uses a steel body with a black-oxide finish for strength and corrosion resistance. A polymer baseplate completes the extended lower section, while rear witness holes help the user monitor the magazine’s loaded condition. Its coyote-tan exterior component provides a visual match for similarly colored P365 configurations and makes it easy to distinguish this magazine from an otherwise identical black-base variant.
- Manufacturer part number: 8901595
- UPC: 798681693450
- Caliber: 9mm Luger
- Capacity: 21 rounds
- Magazine body: Steel
- Finish: Black oxide
- Baseplate: Coyote-tan polymer
- Loading reference: Rear witness holes
Broad P365-Family Compatibility
SIG SAUER lists this magazine for a wide range of 9mm P365-family pistols, including the P365, P365X, P365-XL, P365-DH3, P365-XL COMP, P365-XMACRO, P365-XMACRO COMP, P365-AXG, P365-FLUX, and P365-FUSE. That broad factory-listed compatibility makes it a practical choice for owners who use more than one P365 variant. As with any firearm component, confirm the exact pistol model and applicable local capacity restrictions before ordering or use.
Designed for Training and Extended Use
A higher-capacity magazine can reduce interruptions during drills and range sessions, making it useful for practice that involves repeated strings of fire. It also gives competitors and experienced shooters another factory option for stages or exercises where additional capacity is beneficial. Because this is a genuine SIG SAUER magazine rather than a generic substitute, it is designed around the P365 platform’s feed geometry and magazine interface.
The extended body and baseplate project below the grip more than a flush-fit magazine. That added length is expected for a 21-round design and should be considered when selecting magazine pouches, storage cases, or concealment equipment. The magazine is supplied as a single unit; ammunition and firearm are not included.
Important Purchase Note
Magazine-capacity laws and shipping rules vary by jurisdiction and can change. Buyers are responsible for confirming that a 21-round magazine may be purchased, possessed, and used where they live. Review current local requirements before ordering.




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