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Rifles, Bullets, Barrels & Ballistics Applied Ballistics



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Unread 11-05-2005, 08:58 AM
Junior Member
Join Date: Oct 2005
Posts: 11

Well I could really use some imput once again.
I`m concidering using a 27 inch barrel. Because im going to use the 308 for deer hunting. But im going to attemt to use it for competition also.
For accuracy purpose for competition shooting 1kyards+ and hunting 500 to 700 yards what twist should i use in the barrel?
Question 2-- Need inpout on Muzzle breaks.
Will just a top break work or does it have to be a full 360 break, I hate haveing to wait for all the dirt to clear after shooting, to see if if the animal ran or droped after the shot {when shooting from a prone position}? Do to the point i want to attempt to use this rifle for competition also if any way possible. [img]/ubbthreads/images/graemlins/tongue.gif[/img]
Question #3--- what average bullet weight should be used with what twist.Dont want to damage the barrel by my ignorance so i figured i better ask the pros before i start sending lead down range to a target
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Unread 11-05-2005, 05:16 PM
Gold Member
Join Date: May 2001
Location: Urich, MO
Posts: 838
Re: barrels

308- 22- 24" barrel tops- I shoot to 1000 with a 24" at 2700 fps with the 175 MK
Brakes- Badger
175gr MK
Chris Matthews
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Unread 11-06-2005, 10:37 PM
Platinum Member
Join Date: Jan 2003
Location: The rifle range, or archery range or behind the computer in Alaska
Posts: 3,740
Re: barrels

12 twist is very popular for the 308 and for good reason. It excells with 150's through 180's and will handle the 190 SMK without any trouble. If heavier bullets are required, 1-11 or 1-11.25 twists work extreemly well.
Long range shooting is a process that ends with a result. Once you start to focus on the result (how bad your last shot was, how big the group is going to be, what your buck will score, what your match score is, what place you are in...) then you loose the capacity to focus on the process.
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Unread 11-06-2005, 11:43 PM
Posts: n/a
Re: barrels


1 in 11 Broughton 5C

Have a real pro make you 'EXACTLY' what you need, check the pics:

The Berger 185 or Scenar 155 will both go past 1000 out of the 308.
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Unread 11-07-2005, 11:34 AM
Gold Member
Join Date: Jan 2004
Location: North Dakota
Posts: 891
Re: barrels

I will also agree that a 1in 11 twist 5C Broughton barrel
would be prefect.As far as barrel length,I would probably shoot for the 26" length,but feel that anywhere from 24-28 would be acceptable.

Muzzle brakes~
I build a Holland quick discharge style brake without holes on the bottom and they work ecellant,no acuracy loss at all.
If you gun is running in the 12 -14 lb range,I don't know that you would want a muzzle brake as a lot of competitions don't allow them,but if you do end up getting a muzzle brake get a fitted end cap at the same time to protect the threads on the barrel when your brake is off.

Bullets and twist~
The 1 in 11 twist will handle from the 150's to the 190's without a problem. I feel it never hurts to put a little extra spin on a bullet..... unless the bullet can't handle it. As far as hurting your barrel from shooting the wrong bullet for twist rate,you do not need to worry about it(other than normal throat erosion) the only thing that will happen is a loss of accuracy in that round.
without God their is no hope for this country
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Unread 11-07-2005, 10:26 PM
Platinum Member
Join Date: Jan 2005
Location: OK
Posts: 2,133
Re: barrels

I'll second Chris 22"-24" For one a shorter barrel is stiffer. You could then go with a lighter countour, as you seem to want a brake anyway. Would make a fine comp rifle and be more portable in the field.
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Unread 11-09-2005, 03:26 PM
Platinum Member
Join Date: Dec 2001
Location: Mukilteo, WA
Posts: 1,092
Re: barrels

check the pics:

[/ QUOTE ]

I'm trying to look at the pics but it says I need to be a member...and I don't see any way of joining. [img]/ubbthreads/images/graemlins/confused.gif[/img]
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