38 WCF bullets--whether lead alloy or jacketed--must have a crimping groove (lead alloy ones) or knurled cannelure
It had a brass rimless case with a bullet-seating cannelure
, and was loaded with a 230-grain, cupronickel-jacketed bullet traveling at 800 fps.
The Super Hammerhead bullet is a bonded bullet that has a thick cannelure
lt;<Des chasseurs de la fin de l'age glaciaire dans la region du lac Megantic : decourverte des premieres pointes a cannelure
Corbin Manufacturing bring high-performance bullet seating to the hobby reloader with their Hand Cannelure
Just as important with the 1873 Winchester system, the cannelure
was positioned correctly for a good crimp, with an overall length sufficient to feed from the magazine.
These were necked down to 7mm and loaded with a 7mm bullet whose crimping cannelure
was closer to the bullet's base then was usual.
If the bullet has a cannelure
, adjusting the resizing die to roll-crimp the mouth of the case into it is the best way to prevent or at least minimize bullet movement.
lt;< Des chasseurs de la fin de l'age glaciaire dans la region du lac Megantic : decouverte des premieres pointes a cannelure
However, after from 2 to 6 inches of penetration, both the M193 (Vietnam era) and M855 (current) full metal jacket (FMJ) projectiles will yaw to 90[degrees], flatten and break apart at the cannelure
460 S&W Magnum and the distance from its cannelure
to its pointed nose is too great to stay within maximum overall cartridge length for the shorter .
The Hornady bullets sat below the cannelure
and no roll crimp could be applied.