ProMag SMI27 8-Round Magazine for S&W M&P Shield

The ProMag SMI27 is a detachable 8-round magazine designed for the Smith & Wesson M&P Shield in 9mm Luger. It uses a heat-treated steel magazine body, an injection-molded follower, and a spring formed from heat-treated chrome silicon wire. This magazine is offered as a replacement or spare magazine and is made in the USA.

Key Specifications

• The magazine holds 8 rounds.
• Compatible with 9mm Luger (9x19) cartridges.
• The magazine body is constructed of heat-treated steel.
• It features an injection-molded follower.
• The spring is formed from heat-treated chrome silicon wire.
• Designed to fit S&W M&P Shield pistols.
• Intended for use as a detachable pistol magazine.
• Application is for centerfire pistols.
• Manufactured in the USA.

Robustly built for dependable service, this ProMag magazine provides a factory-styled spare for range use or everyday carry setups that accept Shield-compatible magazines. Its heat-treated steel construction and precision-wound spring emphasize durability and consistent feeding. For users seeking a straightforward, made-in-USA replacement magazine for the M&P Shield platform, the SMI27 offers a practical option grounded in proven materials and basic, serviceable design.