The Smith & Wesson M&P45 Magazine Spring is a factory replacement component engineered to restore smooth, consistent feeding in your M&P 45 pistol magazines. Built to match original specifications, this steel spring delivers the proper tension needed to keep cartridges aligned and cycling reliably, making it an ideal choice when refreshing well-used magazines or replacing worn parts.

This dedicated M&P45 magazine spring is suited for shooters who spend time on the range, in training classes, or simply want dependable performance from their defensive sidearm. Designed to integrate seamlessly with existing Smith & Wesson M&P 45 magazines, installation is straightforward and helps return your magazine to its intended performance level. Backed by Smith & Wesson’s long-standing reputation for quality and innovation, this replacement spring supports confidence in every reload.

• Manufacturer: Smith & Wesson
• Model: M&P45 Magazine Spring
• Caliber: 45 ACP
• Material: Steel
• Quantity: 1