ProMag Smith & Wesson 5900 9mm 50-Round Magazine
High-capacity 50-round magazine for Smith & Wesson 5900 series pistols. Durable polymer construction with steel internals, heat-treated spring, and lifetime warranty. Made in USA.
ProMag Smith & Wesson 5900 9mm 50-Round Magazine
This high-capacity magazine represents a modern approach to ammunition storage, combining traditional metalworking with contemporary polymer engineering.
Construction & Materials
Drum Housing: Proprietary DuPont Zytel-based polymer provides durability and reliability in the field.
Internal Components:
- Magazine upper tower features full-length steel internal insert, stamped and welded using the same methods as factory magazines
- Heat-treated stainless steel spring ensures consistent feeding and longevity
- Injection-molded follower for smooth operation
Performance & Reliability
The 50-round capacity offers extended shooting sessions without frequent reloading, making it suitable for training, sport shooting, or defensive applications. The hybrid construction—combining proven steel stamping and welding techniques with precision polymer molding—delivers the strength of traditional magazines with modern manufacturing precision.
Warranty & Support
Every ProMag magazine is backed by a lifetime guarantee against manufacturer defects, reflecting confidence in the product's durability and performance.
Made in USA
