CNC Screw QSC
If you using QSC spring guide in your gun it can happen that your spring guide will be misalignment. This issue is mostly in guns without buffer tube screw (AK types)
Thanks to this screw you will eliminate this issue and your sping guide will have 100% alignment.
QSC will be still fully functional.
Centering screw is made of C45 material (12050 steel)