Description
The ProMag SMI27 is a detachable 8-round magazine manufactured for the Smith & Wesson M&P Shield chambered in 9mm Luger. It is offered with a blued finish on a steel magazine body and is intended as a spare or replacement magazine for everyday carry, range use, and routine practice. The magazine features an injection-molded follower and a heat-treated chrome-silicon spring for consistent feeding. ProMag reports these magazines are made in the USA and include the manufacturer’s lifetime warranty.
Key Specifications
- The capacity is 8 rounds.
- The caliber is 9mm Luger (9×19).
- The finish is blued.
- The material is listed as steel.
- The magazine fits Smith & Wesson M&P Shield pistols.
- The follower is an injection-molded follower.
- The spring is formed from heat-treated chrome silicon wire.
- The product is reported as Made in USA.
- The magazine type is detachable.
- The listed dimensions are 1.55 x 3.10 x 9.35.
Designed as a straightforward, serviceable magazine for the S&W M&P Shield, the ProMag SMI27 provides a reliable spare or replacement with service-oriented features such as an injection-molded follower and a heat-treated chrome-silicon spring. Its blued steel construction and lifetime warranty make it a practical option for shooters who prefer steel magazines for everyday carry or regular range use.






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