
Availability: In Stock
The ProMag GLK12 is a 6-round detachable magazine built specifically for the Glock 43, the single-stack 9mm that's become a standard among concealed carry shooters. If you run your G43 at the range or in training, the factory six-rounder gets old fast—you're constantly reloading instead of putting rounds downrange. A spare or two transforms your practice sessions, letting you focus on marksmanship rather than magazine swaps.
ProMag engineered this magazine around durability. The body is injection-molded from Zytel polymer, a material chosen for strength and longevity under repeated use. The upper tower—the part that takes the most stress—is reinforced with a full-length steel insert that's stamped and welded, the same construction method Glock uses on their OEM magazines. The magazine spring is heat-treated stainless steel, and the follower is injection-molded to precise tolerances. All told, this is a magazine built to handle years of range time without premature wear.
The GLK12 ships in all-black and is manufactured in the USA. It's a straightforward, no-frills spare mag for G43 owners who want reliable feeding and the durability to back it up. Whether you're training for defensive proficiency or just logging hours at an outdoor range, having extra capacity on hand means less downtime and more trigger time.
| Caliber | 9mm Luger |
| Firearm Compatibility | Glock 43 |
| Capacity | 6 rounds |
| Type | Detachable magazine |
| Material | Zytel polymer with steel-reinforced tower |
| Spring | Heat-treated stainless steel |
| Finish | Black |
| Manufacturer | Made in USA |
Yes. The ProMag GLK12 is engineered for the Glock 43 and holds 6 rounds of 9mm Luger ammunition.
The GLK12 offers the same 6-round capacity as the OEM Glock 43 magazine. ProMag reinforces it with a full-length steel insert in the upper tower and uses a heat-treated stainless steel spring, construction methods drawn from OEM Glock designs to maximize durability.
Yes, the ProMag GLK12 is manufactured in the USA.
You receive one 6-round detachable magazine in black. It ships ready to use.



SKU: 115794875 • Width: 3in • Height: 1.6in • Depth: 9.3in • Weight: 0.25oz
Availability: In Stock
The ProMag GLK12 is a 6-round detachable magazine built specifically for the Glock 43, the single-stack 9mm that's become a standard among concealed carry shooters. If you run your G43 at the range or in training, the factory six-rounder gets old fast—you're constantly reloading instead of putting rounds downrange. A spare or two transforms your practice sessions, letting you focus on marksmanship rather than magazine swaps.
ProMag engineered this magazine around durability. The body is injection-molded from Zytel polymer, a material chosen for strength and longevity under repeated use. The upper tower—the part that takes the most stress—is reinforced with a full-length steel insert that's stamped and welded, the same construction method Glock uses on their OEM magazines. The magazine spring is heat-treated stainless steel, and the follower is injection-molded to precise tolerances. All told, this is a magazine built to handle years of range time without premature wear.
The GLK12 ships in all-black and is manufactured in the USA. It's a straightforward, no-frills spare mag for G43 owners who want reliable feeding and the durability to back it up. Whether you're training for defensive proficiency or just logging hours at an outdoor range, having extra capacity on hand means less downtime and more trigger time.
| Caliber | 9mm Luger |
| Firearm Compatibility | Glock 43 |
| Capacity | 6 rounds |
| Type | Detachable magazine |
| Material | Zytel polymer with steel-reinforced tower |
| Spring | Heat-treated stainless steel |
| Finish | Black |
| Manufacturer | Made in USA |
Yes. The ProMag GLK12 is engineered for the Glock 43 and holds 6 rounds of 9mm Luger ammunition.
The GLK12 offers the same 6-round capacity as the OEM Glock 43 magazine. ProMag reinforces it with a full-length steel insert in the upper tower and uses a heat-treated stainless steel spring, construction methods drawn from OEM Glock designs to maximize durability.
Yes, the ProMag GLK12 is manufactured in the USA.
You receive one 6-round detachable magazine in black. It ships ready to use.
SKU: 115794875 • Width: 3in • Height: 1.6in • Depth: 9.3in • Weight: 0.25oz


