40 S&W bullets need no such cannelure
or crimping groove.
was given an order for 200,000 rounds for their shorter cartridge, with an added case cannelure
and a knurled cannelure
on the bullet.
it has a positive stop for control of cannelure
depth, yet can also be operated by "feel" with good results.
Burst barrels were apparently caused when the lower portion of the bullet's brittle steel jacket separated behind the crimping cannelure
while the projectile was moving across the unsupported 4mm section of chamber and remained in the barrel.
Furthermore, these projectiles must travel varying distances before they break apart at the cannelure
Switching to Speer 300-grain "Plinkers," proved a better bet as they can be crimped into the top of the cannelure
West German military bullets in this caliber, as well as Swedish, feature steel jackets which break apart at the cannelure
upon penetration in living tissue with far greater tissue-disruption capability than 5.
30-30 cases with a 170-grain Speer roundnose seated to the cannelure
, and they came out exactly the same to 1/10th of a grain
The bullet in each caliber has a tapered jacket profile with a cannelure
to lock the jacket to the bullet's core.
308 Marlin Express SST, but with a tougher jacket and a different ogive and cannelure
position for the Savage round.
is a locking tool that keeps the bullet located right where it belongs.
Sometimes in the M1 it seems as if a crimp in a Hornady bullet's cannelure
helps with the errant first shot problem.