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ron12301 08-31-2011 10:27 AM

cannelured bullets
Recently I've started to reload again and I've seen quite a few bullets for sale that are cannelured . Do they have advantages or disadvantages? I've never used them. It seems to me that I see them on clearance a lot. Do you do anything differently when reloading cannelured bullets ? thanks for your help.

robocop10mm 08-31-2011 04:04 PM

The cannelure is to allow for proper crimping. A crimped round is better able to deal with the stresses of loading from the magazine of an auto loading firearm. The down side is the cannelure weakens the jacket. The bullet will tend to break up at that point on medium to large game.

For plinking and SHTF use cannelures are a good thing.

Txhillbilly 08-31-2011 06:17 PM

Robo is correct,as usual.

But just because a bullet has a cannelure,doesn't mean it has to be seated to it.
There are many bullets that are designed to be shot in a particular cartridge,but they also can be shot in other calibers with the same bullet diameter.The cannelure groove was designed and placed for a particular cartridge in most cases,and will not be used in other applications.
For instance,the 458 SOCOM uses bullets designed for a 45/70,the cannelure groove on most 45/70 bullets are not in a spot on the bullet that is useful for the OAL of a 458 SOCOM case.

ron12301 09-01-2011 12:20 AM

I thought it probably had something to do with crimping but wasn't sure. Thanks for the help and the info.

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