A light-weight grease like TW25B is nice for this. Once this location is thoroughly greased It is really excellent for 1000s of cycles. Cold-hammer-cast barrels are usually not Lower, but hammered all over a mandrel to create the rifling. They must be easy. Ditto broached or button rifled barrels https://telc43838.blogdiloz.com/34937714/examine-this-report-on-德语证书