SIG Sauer P365 9mm 21-Round Magazine

High-Capacity Performance for the P365 Platform

The SIG Sauer P365 9mm 21-Round Magazine enhances your carry setup with increased ammunition capacity and factory-grade reliability. Designed for seamless compatibility with P365, P365X, P365XL, and P365-XMACRO models, this magazine brings extended capability without compromising form factor.

Factory-Fit Durability

Constructed from robust steel with a black oxide finish, it ensures long-term durability and corrosion resistance. A high-visibility follower supports smooth function and quick round checks under pressure.

Highlights:

• 21-round capacity for extended firepower
• Compatible with all P365 series variants
• Black oxide-coated steel construction
• Factory-tested for consistent feeding and performance
• Includes +2 extension (installed) and two alternate floor plates: flush and extended

Adaptable and Ready

With interchangeable baseplates, the magazine adapts to user preference or grip length requirements. Whether for range training or defensive carry, it offers maximum versatility and confidence.