Products descriptions visible on the website are translated from polish language using translator and may contain errors and mistakes.
The Eemann Tech magazine spring was designed specifically for the 126mm MBX magazines used in STI pistols.
If you are not sure if the part fits your pistol, please call us, (and we will possibly size, send additional photos) thus avoiding sending back the goods and incurring additional costs.
For more information and photos, please visit the manufacturer's website : TU
Important ! Any kind of replacement of parts, modifications, changes, etc... in the weapon outsource to a specialized gunsmithing company.
*Follow the instruction manual attached to the product