30 Cal bullet without cannelure

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Gun Geezer

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I've started several threads of late, because I'm a newb at rifle reloading. Well, here's another one.

I'm working up my load for a 308 Win light load and plan on using a 125 gr bullet. There are not very many choices. The one I like is the Sierra Pro-Hunter. But it does NOT have a cannelure. The Remington Managed Recoil ammo I have does.

How do you load a rifle bullet with no cannelure? Use a taper crimp as with a 45 ACP?

What effect will not having a cannelure have on velocity and consistency?

Anything else I should know before I choose this bullet?
Thanks for the help.
 
You do nothing.

No crimp, no nothing.
Just seat the bullets.

Case neck tension is all you need to hold the bullet in place if your sizing die is doing what it is supposed to do.

I've never crimped bottle-neck rifle calibers in my life.

rc
 
Crimping case mouths into bullets (with or without cannelures) adds another variable to the neck grip on bullets. Muzzle velocity spread increases and the bullets are deformed a tiny bit. So they don't shoot as accurate with that crimp.

.308 Win match ammo doesn't have crimped case mouths into bullets.
 
Reread rcmodel's post...

The only time I crimp a rifle bullet is for my tubular magazine levergun...
 
Same thing as RC, I've never crimped a single bottle neck cartridge in my life, tubular magazines aside.

Simply ignore the canelure and seat to the oal that shoots best.

Crimping bottle necks, and especially for a new reloader, often results in all kinds of frustration.

GS
 
I've never crimped bottle-neck rifle calibers in my life.
Well I have, but it's been a long time and is unnecessary most of the time. I thought because I'd read(LEE I think) that it helps build pressure quicker and is more accurate that I needed to every time. WRONG!

Now I never do. It can cause unnecessary run out.
 
I've crimped a couple of times just to see if it improves accuracy and sometimes in the big magnums. Can't say that it really helped or hindered. Also only bullets with cannelures.
 
I often use a Lee factory crimp for bullets with a cannelure (crimping groove) in bolt action rifles. OYE
 
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Loading hard cast and coated subs for my 300 blk I've been using the lee factory crimp, but only because I need to remove the flare from the mouth.

My 20" AR seems to love the 77gr SMK's without cannelure.
 
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