9mm lead cannelure depth

[JBrady555]

Hello all I just bought 500 speer 4602 125gr lead bullets. I loaded a few test loads last night and I noticed that when seating to 1.135(which I do for my glocks) that the cannelure was completely pushed in the case. Is this ok? From what I've read a lot of folks seat the bullet to where the case mouth taper crimp inside the cannelure. If I did this I would be outside of 9mm oal specs. Even the hodgdon websites lists data for this bullet at 1.125 which is .010 shorter than what I'm running. So am I ok? Thanks for any info.

 

[germ]

I didn't look up that bullet but I'm gonna venture a guess that the canelure is for use in a 38/357 revolver. Ignore it for your 9mm.

 

[Reefinmike]

Not sure why they would have a canalure on a 9mm bullet but I would just ignore it. Do not just seat the bullet based on what you do for your other loads! each time you get a different manufacture bullet, adjust the seating based on whatever is the longest that will pass the plunk test in your barrel. provided neck tension is good

 

[rcmodel]

It isn't a crimp cannulure.

http://www.speer-bullets.com/ballistics/detail.aspx?id=218

It's a grease groove for the bullet lube to stick in.

Ignore it.
It is supposed to be inside the case.

I would seat them so the front edge of the driving band is about a thumbnail thickness sticking out of the case.

rc

 

[JBrady555]

Am I supposed to be putting lube in there?

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[rcmodel]

No.

They are pre-lubed with a dry lube.

Load'm!

rc

 

[noylj]

I would hope it was pushed all the way in the case, since it is half-way down the bearing surface.
PS: it really doesn't matter where a cannelure is or anything else. Find the COL that works for you and use that for all load work-up.

 

[JBrady555]

Thanks fellas. All my questions are answered.

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