View Single Post
Old January 19, 2012, 02:09 PM   #4
Join Date: March 4, 2005
Location: Ohio
Posts: 11,369
That crimp groove at the top should be level with the case mouth, then the crimp set to roll the lip of the case mouth into the groove. Whether you need a heavy crimp or a light one depends one how much recoil your load has. A heavy recoiling load can require a heavy crimp to prevent the bullets backing out during firing and jamming rotation of the cylinder. That's why the crimp groove is there. But if you are using a light target load (say, 3 grains of Bullseye) and the gun isn't a flyweight, then a light crimp will usually do, and that extends brass life because it takes more reloading cycles for a light crimp to work the brass to the splitting point.
Gunsite Orange Hat Family Member
CMP Certified GSM Master Instructor
NRA Certified Rifle Instructor
NRA Benefactor Member
Unclenick is online now  
Page generated in 0.03565 seconds with 7 queries