SIG Sauer P365 / X / XL / XMACRO 17-Round 9mm Magazine, Steel Double-Stack Black with Interchangeable Baseplates

SIG Sauer P365 17-Round Magazine | 9mm Extended Mag | Compatible with P365 / X / XL / XMACRO | Steel Body with Interchangeable Baseplates

The SIG Sauer P365 17-Round Magazine delivers maximum capacity for the popular P365 series in a compact, reliable package. Featuring durable steel construction with black oxide finish, this factory extended magazine holds 17 rounds of 9mm and includes interchangeable polymer baseplates for perfect fitment across P365, P365X, P365-XL, and P365-XMACRO pistols—ideal for concealed carry, home defense, and range use where capacity matters.

Key Features:

• 17-Round Capacity: Maximum firepower for P365 series pistols in compact format
• Universal P365 Compatibility: Works with P365, P365X, P365-XL, and P365-XMACRO models
• Interchangeable Baseplates: Includes multiple baseplates for flush or extended grip configurations
• Steel Body Construction: Durable double-stack design for long-term reliability
• Black Oxide Finish: Corrosion-resistant coating ensures smooth feeding and durability
• High-Visibility Orange Follower: Easy to identify last round
• Rear Witness Holes: Quick visual round count verification without removing magazine
• Factory SIG Quality: OEM magazine designed specifically for P365 series

Perfect For:

• P365 concealed carry pistols requiring maximum capacity
• P365-XMACRO shooters wanting additional magazines
• Home defense applications where capacity is critical
• Range training and competition use
• Backup magazines for EDC rotation

Interchangeable Baseplate System: Includes multiple polymer baseplates to optimize grip length:

• P365-XMACRO Baseplate: Flush fit for XMACRO frame
• P365/X/XL Baseplates: Extended grip for standard P365 models

Switch baseplates to match your specific pistol configuration—one magazine works across the entire P365 family.

Enhanced Capacity Advantage: The 17-round capacity significantly increases firepower over standard P365 magazines:

• Standard P365: 10 rounds → 17 rounds (+7)
• P365X/XL: 12-15 rounds → 17 rounds (+2-5)
• P365-XMACRO: Matches or exceeds standard capacity

More rounds mean fewer reloads for home defense, competition, and training.