New parts need more lube until they break in. It is the same with any machine parts.
I have been forming wildcat cases using a light film of resizing lube and assembling a new receiver and BCG.
I found resizing lube, rubbed on the bolt and inside the receiver makes it run slick.
I have been forming wildcat cases using a light film of resizing lube and assembling a new receiver and BCG.
I found resizing lube, rubbed on the bolt and inside the receiver makes it run slick.

