SIG SAUER P320 X-FIVE LEGION 9mm 10-Round Magazine

SIG SAUER P320 X-FIVE LEGION 9mm 10-Round Magazine

This factory SIG SAUER magazine pairs a 10-round 9mm Luger capacity with the aluminum baseplate used for the P320 X-FIVE LEGION configuration. It is designed as a durable replacement or spare for compatible full-size and carry-size P320-family pistols. The exact model corresponds to manufacturer part number 8900061 and UPC 798681619658.

SIG SAUER specifies a black steel magazine body, double-stack internal layout, aluminum baseplate, and side witness holes. The aluminum baseplate provides the distinctive lower profile associated with this LEGION magazine and is designed to work with compatible P320 X-FIVE configurations, including pistols equipped with the appropriate magazine funnel.

Key Features

• Caliber: 9mm Luger
• Capacity: 10 rounds
• Primary application: SIG SAUER P320 X-FIVE LEGION
• Compatible sizes: Carry, Carry X, and Full-Size X configurations identified by SIG SAUER
• Magazine type: Double stack
• Body material: Steel
• Color: Black
• Baseplate material: Aluminum
• Round indication: Side witness holes
• Manufacturer part number: 8900061
• UPC: 798681619658

LEGION Configuration and Compatibility

The extended aluminum baseplate distinguishes this model from a standard polymer-base P320 magazine. Its shape provides clearance for compatible magwell-equipped pistols while giving the shooter a solid surface during loading and magazine changes. The steel tube, follower, spring, and feed-lip geometry are built around the P320-family 9mm magazine system.

SIG SAUER currently lists this magazine for several compatible full-size and carry-size P320-family pistols, but grip modules, funnels, and baseplates can affect fit. Owners should compare the pistol model and grip configuration with SIG SAUER’s current compatibility information before ordering. It should not be used with a firearm chambered for another caliber.

Use, Inspection, and Care

Before loading live ammunition, verify that the unloaded magazine locks into the pistol, drops or releases normally, and activates the slide stop when appropriate. Range-test every magazine in the specific firearm before placing it into competition, training, or defensive rotation.

Inspect the body for dents or corrosion and check the feed lips, follower, spring, and aluminum baseplate for damage or looseness. Dirt, lint, and powder residue can interfere with follower movement, so clean the magazine according to SIG SAUER guidance. Avoid excessive oil inside the tube because lubricant can attract debris and contact ammunition.

Replace a magazine that shows cracks, distorted feed lips, a weakened spring, or repeated feeding problems. Magazine-capacity laws and shipping restrictions vary, so buyers should confirm that this 10-round magazine is lawful in their jurisdiction.