View Single Post
Old August 3, 2011, 11:52 AM   #42
Unclenick
Staff
 
Join Date: March 4, 2005
Location: Ohio
Posts: 9,991
Expansion is needed with cast bullets to stop the brass shaving them hard, but a chamfer is adequate with jacketed bullets, even with square bases. Note that manufacturers don't expand case mouths loading new cases, and sometimes have a little shaved copper at the mouth of the case to prove it.
__________________
Gunsite Orange Hat Family Member
CMP Certified GSM Master Instructor
NRA Certified Rifle Instructor
NRA Patron Member
Unclenick is offline  
 
Page generated in 0.04687 seconds with 7 queries