ProMag Steel Handgun Magazine S&W M&P Shield .40 S&W Blued 9/rd

Its anti-fatigue spring technology allows the magazine to remain loaded and ready for up to six years without spring degradation, supporting dependable performance during extended storage or use. Manufactured in Phoenix, Arizona, this magazine is engineered to meet the demands of practical handgun use.

Features

• 9-round capacity for .40 S&W caliber
• Heat-treated blued steel construction
• TECHNAPOLYMER molded components for durability
• Anti-fatigue spring maintains readiness up to six years
• Designed for Smith & Wesson M&P Shield pistols

Specifications

• Brand: ProMag
• Model Number (MPN): SMI 31
• UPC: 708279012082
• Category: Handgun Magazines
• Capacity: 9 rounds