Description
ProMag TISA1 Tisas PX-57 handgun magazine is made for Tisas 5.7x28mm pistols and holds 20 rounds. The magazine body is heat treated steel with a black oxide finish. It uses an injection molded follower and a magazine spring made from heat treated chrome silicone wire, designed as a direct magazine replacement for the intended Tisas platform.
Key features
- Capacity is 20 rounds
- Caliber is 5.7x28mm
- Fits Tisas 5.7x28mm pistols
- Heat treated steel body with black oxide finish
- Injection molded follower
- Heat treated chrome silicone wire spring
- Made in USA
| Capacity | 20 rounds |
|---|---|
| Caliber | 5.7x28mm |
| Material | Heat treated steel |
| Finish | Black oxide |



