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Promag
The ProMag SMI26 is a 7-round steel magazine purpose-built for the Smith & Wesson M&P Shield in 9mm. If you run a Shield as a carry gun or range workhorse, you know the factory magazine capacity can feel limiting—especially during training sessions or when you want a spare loaded and ready. This aftermarket magazine closes that gap, giving you a practical capacity bump without changing platforms.
Built from heat-treated carbon steel with a black-oxide finish, the SMI26 resists corrosion and stands up to the wear of regular use and reholstering. Inside, a heat-treated chrome-silicon spring and injection-molded follower ensure reliable feeding and smooth operation. The magazine is engineered specifically for 9mm M&P Shield models, so fit and function are dialed in from the start.
Whether you're stocking spares for the range, building a backup loadout, or simply want more capacity on hand, this magazine pairs seamlessly with your Shield. Made in the USA, it's a no-nonsense upgrade that gives you more rounds downrange between magazine changes.
| Caliber | 9mm |
| Capacity | 7 rounds |
| Firearm Fit | Smith & Wesson M&P Shield |
| Material | Heat-treated carbon steel |
| Finish | Black oxide |
| Spring | Heat-treated chrome-silicon wire |
| Follower | Injection-molded |
| Country of Origin | USA |
Yes, the ProMag SMI26 is engineered specifically for S&W M&P Shield 9mm models. It will not work with other Shield calibers or platforms.
The SMI26 holds 7 rounds. We don't have the factory specification listed, but this magazine is designed as an aftermarket capacity option for the Shield platform.
The magazine features a black-oxide finish applied to heat-treated carbon steel. This finish resists corrosion and premature wear during regular use and handling.
Yes, the ProMag SMI26 is made in the USA.
Promag
The ProMag SMI26 is a 7-round steel magazine purpose-built for the Smith & Wesson M&P Shield in 9mm. If you run a Shield as a carry gun or range workhorse, you know the factory magazine capacity can feel limiting—especially during training sessions or when you want a spare loaded and ready. This aftermarket magazine closes that gap, giving you a practical capacity bump without changing platforms.
Built from heat-treated carbon steel with a black-oxide finish, the SMI26 resists corrosion and stands up to the wear of regular use and reholstering. Inside, a heat-treated chrome-silicon spring and injection-molded follower ensure reliable feeding and smooth operation. The magazine is engineered specifically for 9mm M&P Shield models, so fit and function are dialed in from the start.
Whether you're stocking spares for the range, building a backup loadout, or simply want more capacity on hand, this magazine pairs seamlessly with your Shield. Made in the USA, it's a no-nonsense upgrade that gives you more rounds downrange between magazine changes.
| Caliber | 9mm |
| Capacity | 7 rounds |
| Firearm Fit | Smith & Wesson M&P Shield |
| Material | Heat-treated carbon steel |
| Finish | Black oxide |
| Spring | Heat-treated chrome-silicon wire |
| Follower | Injection-molded |
| Country of Origin | USA |
Yes, the ProMag SMI26 is engineered specifically for S&W M&P Shield 9mm models. It will not work with other Shield calibers or platforms.
The SMI26 holds 7 rounds. We don't have the factory specification listed, but this magazine is designed as an aftermarket capacity option for the Shield platform.
The magazine features a black-oxide finish applied to heat-treated carbon steel. This finish resists corrosion and premature wear during regular use and handling.
Yes, the ProMag SMI26 is made in the USA.
