The Firing Line Forums - View Single Post - Headspacing on the .40s&w using lead bullets

brandx · April 19, 2005, 10:53 PM

When using SWC handloads , it is sometimes necessary to use a throating reamer to remove the rifling just ahead of the chamber so the shoulder of the bullet does not jamb into the rifling. Usually .020-.025" is enough.

April 19, 2005, 10:53 PM	#3
brandx Member Join Date: December 8, 2004 Posts: 41	When using SWC handloads , it is sometimes necessary to use a throating reamer to remove the rifling just ahead of the chamber so the shoulder of the bullet does not jamb into the rifling. Usually .020-.025" is enough.