Price from $19.21 to $19.99.
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Availability: In Stock
The ProMag SMI23 is a reliable 10-round detachable magazine purpose-built for the Smith & Wesson M&P in 9mm Luger. If you're running an M&P pistol for duty, sport shooting, or defensive carry, you need magazines that feed consistently and take a beating. This one's engineered to do both: a heat-treated blued-steel body paired with a chrome-silicon spring designed for strength and long-term reliability. The result is a mag that cycles rounds smoothly and holds up through thousands of rounds at the range or in the holster.
ProMag keeps things straightforward here—double-stack geometry maximizes capacity in a standard mag well, and the proprietary DuPont Zytel-based polymer base plate and follower lock-plate handle the abuse without adding weight or complexity. It's a no-frills accessory that does the job, made in the U.S.A., and priced to let you build a practical spare-mag setup without breaking the budget.
Whether you're building a second magazine set for an M&P you already own or stocking spares for the range, the ProMag SMI23 delivers the capacity and durability shooters expect. Ten rounds per magazine keeps you competitive in sport divisions and gives you solid firepower on the street.
| Caliber | 9mm Luger (9x19mm) |
| Capacity | 10 rounds |
| Firearm Compatibility | Smith & Wesson M&P |
| Body Material | Heat-treated blued steel |
| Spring Material | Chrome-silicon wire, heat-treated |
| Base Plate / Follower Material | DuPont Zytel-based polymer |
| Magazine Type | Detachable |
| Manufacturer | ProMag (U.S.A.) |
Yes, the ProMag SMI23 is designed specifically for S&W M&P pistols chambered in 9mm Luger. It is a direct-fit detachable magazine for that platform.
The SMI23 holds 10 rounds of 9mm Luger ammunition in a double-stack configuration.
Yes, ProMag manufactures the SMI23 in the U.S.A.
The body is heat-treated blued steel. The spring is made from chrome-silicon wire and heat-treated for strength. The base plate and follower are molded from a proprietary DuPont Zytel-based polymer.
SKU: 115713536 • Width: 2.6in • Height: 1.4in • Depth: 4.3in • Weight: 0.25oz
Availability: In Stock
The ProMag SMI23 is a reliable 10-round detachable magazine purpose-built for the Smith & Wesson M&P in 9mm Luger. If you're running an M&P pistol for duty, sport shooting, or defensive carry, you need magazines that feed consistently and take a beating. This one's engineered to do both: a heat-treated blued-steel body paired with a chrome-silicon spring designed for strength and long-term reliability. The result is a mag that cycles rounds smoothly and holds up through thousands of rounds at the range or in the holster.
ProMag keeps things straightforward here—double-stack geometry maximizes capacity in a standard mag well, and the proprietary DuPont Zytel-based polymer base plate and follower lock-plate handle the abuse without adding weight or complexity. It's a no-frills accessory that does the job, made in the U.S.A., and priced to let you build a practical spare-mag setup without breaking the budget.
Whether you're building a second magazine set for an M&P you already own or stocking spares for the range, the ProMag SMI23 delivers the capacity and durability shooters expect. Ten rounds per magazine keeps you competitive in sport divisions and gives you solid firepower on the street.
| Caliber | 9mm Luger (9x19mm) |
| Capacity | 10 rounds |
| Firearm Compatibility | Smith & Wesson M&P |
| Body Material | Heat-treated blued steel |
| Spring Material | Chrome-silicon wire, heat-treated |
| Base Plate / Follower Material | DuPont Zytel-based polymer |
| Magazine Type | Detachable |
| Manufacturer | ProMag (U.S.A.) |
Yes, the ProMag SMI23 is designed specifically for S&W M&P pistols chambered in 9mm Luger. It is a direct-fit detachable magazine for that platform.
The SMI23 holds 10 rounds of 9mm Luger ammunition in a double-stack configuration.
Yes, ProMag manufactures the SMI23 in the U.S.A.
The body is heat-treated blued steel. The spring is made from chrome-silicon wire and heat-treated for strength. The base plate and follower are molded from a proprietary DuPont Zytel-based polymer.
SKU: 115713536 • Width: 2.6in • Height: 1.4in • Depth: 4.3in • Weight: 0.25oz