Sig Sauer P365-XMACRO 21rd Extended Magazine 9mm Flat Dark Earth

The Sig Sauer P365-XMACRO 21-round extended magazine transforms the compact P365 platform into a high-capacity powerhouse without sacrificing concealability. This factory magazine extends grip length for enhanced control while maintaining the pistol's profile for everyday carry applications.

What Makes This Different

Unlike aftermarket alternatives, this factory Sig Sauer magazine undergoes the same rigorous testing as OEM components shipped with new firearms. The extended baseplate adds 1.2 inches to grip length, providing full four-finger purchase for shooters with larger hands. Steel construction with polymer follower ensures consistent feeding through thousands of rounds, while the Flat Dark Earth coating matches Sig's FDE pistol finishes perfectly.

Key Features

• 21-round capacity increases firepower by 11 rounds over standard P365 magazines
• Extended grip sleeve provides full hand purchase and improved recoil control
• Factory Sig Sauer construction with steel body and high-visibility follower
• Flat Dark Earth Cerakote finish resists corrosion and matches FDE pistols
• Compatible with P365-XMACRO, P365X, and standard P365 pistols
• Witness holes allow quick visual ammunition count verification
• Drop-free design ensures reliable magazine changes under stress

Range testing demonstrates consistent feeding with various 9mm ammunition weights from 115 to 147 grains. The extended magazine proves particularly effective in competitive shooting where reload speed matters, while the increased capacity suits home defense scenarios. Law enforcement agencies report excellent reliability in duty use, with the magazine maintaining function through extreme temperature variations and extended carry periods.

Technical Specs

• Capacity: 21 rounds of 9mm Luger ammunition
• Construction: Steel body with polymer follower and baseplate
• Finish: Flat Dark Earth Cerakote coating
• Overall Length: 5.8 inches with extended baseplate
• Compatibility: P365, P365X, P365-XMACRO pistols
• Manufacturer: Sig Sauer, Exeter, New Hampshire
• Model Number: 8901595
• Weight: 4.2 ounces loaded, 1.8 ounces empty

This factory magazine delivers the reliability shooters expect from Sig Sauer while maximizing the P365 platform's potential. Professional users and serious enthusiasts choose OEM components for critical applications where failure isn't an option.