Promag Glock 48 9mm Blue Steel
- Type:
- Magazine
- Firearm Make Fit:
- Glock
- Finish-Color:
- Black
- Capacity-Rounds:
- 20
- Caliber-Gauge:
- 9mm Luger
- Material:
- Steel
- Firearm Fit:
- Glock
The Promag Glock 48 9mm blue steel magazine is a reliable, domestically-made backup or primary mag for Glock 48 shooters who want solid steel construction at a practical price point. Built from heat-treated high-carbon steel with a black oxide finish, this magazine combines traditional manufacturing—stamping and welding—with modern precision molding for the follower and spring components. Whether you're training regularly, carrying, or just want a few extra mags in rotation, a steel-bodied 9mm Glock magazine from a US maker holds up to hard use.
ProMag has built a reputation on no-nonsense magazines that work. The steel body resists cracking and fatigue better than some polymer alternatives, and the heat-treated chrome-silicon spring is engineered to maintain reliable feeding and seating over thousands of rounds. The injection-molded follower keeps rounds properly aligned and feeding smoothly into your Glock 48.
Made in the USA and backed by a lifetime manufacturer's defect guarantee, this Glock 48 magazine removes guesswork from spare-mag shopping. Grab one or stack a few—you'll know exactly what you're getting: honest steel, proven design, and no corporate marketing fluff.
Key Features
- Heat-treated high-carbon steel body with black oxide finish for durability and corrosion resistance
- Precision injection-molded follower for reliable round stacking and feeding
- Heat-treated chrome-silicon spring for consistent seating and long service life
- Manufactured in the USA
- Lifetime guarantee against manufacturer defects
- Designed specifically for Glock 48 9mm platform
Specifications
| Firearm Compatibility | Glock 48 (9mm) |
| Magazine Body Material | Heat-treated high-carbon steel |
| Finish | Black oxide |
| Follower | Injection-molded polymer |
| Spring | Heat-treated chrome-silicon wire |
| Country of Origin | USA |
| Warranty | Lifetime manufacturer defect guarantee |
Frequently Asked Questions
Will this Glock 48 magazine work with my other 9mm handguns?
This magazine is engineered specifically for the Glock 48. We recommend confirming compatibility with any other handgun before relying on it in the field or at the range.
What's the difference between a steel and polymer magazine body?
This Promag uses a steel body, which generally resists cracking and fatigue from repeated loading and unloading. The heat-treated high-carbon steel construction here is designed for durability and longevity under hard use.
Is this magazine made in the USA?
Yes. Promag manufactures this magazine in the USA, combining traditional stamping and welding with modern precision molding techniques.
What warranty does Promag offer?
Every Promag magazine is backed by a lifetime guarantee against manufacturer defects.

