ProMag SMI32 S&W M&P 45 ACP Magazine 10 Round Blued Steel

The ProMag SMI32 delivers reliable feeding and consistent performance for Smith & Wesson M&P pistols chambered in 45 ACP. This 10-round magazine features heat-treated blued steel construction that resists corrosion while maintaining dimensional stability under repeated use.

What Makes This Different

Unlike polymer alternatives, the SMI32 uses all-steel construction with precision-formed feed lips that maintain proper cartridge presentation cycle after cycle. The heat-treated spring provides consistent tension across the full capacity range, reducing feeding failures common with cheaper magazines. ProMag's manufacturing process includes dimensional testing to ensure proper fit in M&P pistol magazine wells.

Key Features

• Heat-treated blued steel body resists deformation and corrosion
• Precision-formed feed lips ensure consistent cartridge presentation
• 10-round capacity complies with restricted state regulations
• Chrome silicon spring maintains tension through extended use
• Polymer follower reduces friction and binding
• Drop-free design allows rapid magazine changes
• Witness holes for quick round count verification

The SMI32 functions reliably across various 45 ACP loadings, from 185-grain target rounds to 230-grain defensive ammunition. Law enforcement agencies report consistent feeding with both ball and hollow point projectiles during qualification courses. The magazine's steel construction handles repeated drops on concrete without cracking or losing dimensional accuracy.

Technical Specs

• Capacity: 10 rounds
• Caliber: 45 ACP
• Compatibility: Smith & Wesson M&P pistols in 45 ACP
• Body Material: Heat-treated blued steel
• Spring: Chrome silicon steel
• Follower: High-impact polymer
• Overall Length: Approximately 5.2 inches
• Weight: 4.8 ounces (empty)

The ProMag SMI32 provides a cost-effective alternative to factory magazines without sacrificing reliability. Steel construction ensures long-term durability for high-volume shooters while maintaining the precise tolerances required for consistent function.