Ruger 90728 Security-380 Magazine 10rd .380 ACP Black Steel

The Ruger 90728 magazine delivers reliable feeding and consistent performance for Security-380 pistols. This factory-original magazine maintains the tight tolerances and quality control standards that Ruger builds into every component.

What Makes This Different

Factory magazines undergo rigorous testing and quality control that aftermarket alternatives often skip. The 90728 features precision-formed steel construction with a corrosion-resistant black finish that withstands daily carry and range use. Internal components are engineered to match the exact specifications of the Security-380 action, ensuring smooth feeding cycles and reliable ejection.

Key Features

• 10-round capacity maximizes firepower within compact dimensions
• Heat-treated steel body provides long-term durability and shape retention
• Factory-calibrated spring tension optimized for .380 ACP cartridges
• Black oxide finish resists corrosion and wear from repeated handling
• Witness holes allow quick visual ammunition count verification
• Drop-free design enables fast reloads during tactical situations
• Polymer follower reduces weight while maintaining smooth cartridge presentation

Field testing shows consistent feeding across various .380 ACP loads, from lightweight training rounds to premium hollow-point defensive ammunition. The magazine functions reliably in temperatures from -20°F to 140°F, making it suitable for concealed carry, home defense, and range training. The steel construction maintains feed lip geometry even after thousands of loading cycles.

Technical Specs

• Capacity: 10 rounds
• Caliber: .380 ACP
• Compatibility: Ruger Security-380 pistols only
• Body Material: Heat-treated steel
• Finish: Black oxide coating
• Follower: High-impact polymer
• Spring: Music wire construction
• Overall Length: Approximately 4.2 inches
• Weight: 3.1 ounces (empty)
• Country of Origin: USA

This genuine Ruger magazine ensures your Security-380 operates exactly as designed from the factory. Professional shooters and law enforcement agencies specify OEM magazines for critical applications where reliability cannot be compromised.