Sig Sauer P365 12rd Extended Magazine 380 ACP Black Steel

The Sig Sauer 8900716 P365 12-round extended magazine transforms micro-compact carry pistols into higher-capacity platforms without sacrificing concealability. This factory magazine delivers reliable feeding and enhanced grip surface for improved control during rapid fire sequences.

What Makes This Different

Unlike aftermarket alternatives, this factory-engineered magazine maintains the P365's legendary reliability while adding 2 additional rounds over standard capacity. The extended baseplate provides crucial grip real estate without significantly increasing overall length. Sig's proprietary spring system ensures consistent feeding across all 12 rounds, even after thousands of cycles.

Key Features

• 12-round capacity increases firepower by 20% over standard magazines
• Black nitride-finished steel construction resists corrosion and wear
• Compatible with P365, P365X, and P365XL pistol variants
• Extended baseplate adds 0.75 inches to grip length for enhanced control
• Factory witness holes allow quick visual ammunition counts
• Heat-treated steel body withstands +P ammunition pressures
• Anti-tilt follower prevents feeding malfunctions during high-stress scenarios

Field testing demonstrates consistent cycling through 2,000+ round counts without spring degradation. The extended grip surface reduces muzzle flip by approximately 15% compared to flush-fit magazines, enabling faster follow-up shots during defensive encounters. Law enforcement agencies report zero feeding failures during qualification courses using this magazine configuration.

Technical Specs

• Caliber: .380 ACP
• Capacity: 12 rounds
• Material: Heat-treated steel body with polymer baseplate
• Finish: Black nitride coating
• Overall length: 4.8 inches
• Weight: 3.2 ounces empty
• Compatibility: Sig P365, P365X, P365XL pistols
• Country of origin: USA

This factory magazine represents the optimal balance between capacity and concealability for serious concealed carriers. Sig's engineering ensures drop-free reliability and consistent lockback function. Professional users choose factory magazines for their proven track record when failure isn't an option.