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Help With Boattail Bullets

 
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  #1  
Old 11-13-2007, 11:53 PM
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Help With Boattail Bullets

I Have A 6.5x300 Wby That Does Not Want To Shoot Boattail Bullets. 140 Sgk,130 Scirocco And 140 Sst. I Have Tried Several Powders (rl-25,retumbo,8700,5010 And H1000) And No Luck. It Will Shoot 129 Hornady Flat Base With Retumbo Very Well. I Have Tried Pushing Them Faster, 140 Sgk At 3650, No Luck, Down To 3350 And Still No Luck. They Don't Get Any Better At Longer Range. I Have Heard That Bt's Can Be Finicky, But Have Never Experienced Any Thing Like This With My Other Calibers. Twist Will Handle 140's To 155's. Any Words Of Advice From The Ol' Hands?

Thanks For The Help As Usual, Hank
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Old 11-14-2007, 12:35 AM
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Hank,

How's she do with flat base bullets of weights other than the 129?

I've never noticed much accuracy difference between the BT and FB bullets @100yds.

BTs can't be "that" finicky.:confused:
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Last edited by royinidaho; 11-14-2007 at 12:39 AM.
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Old 11-14-2007, 08:49 AM
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I Haven't Tried Any Other Flat Base Bullets Yet. I Am Going To Try Either Speer 140 Fb Or 139 Interlock. Thanks For The Reply!
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Old 11-14-2007, 10:07 AM
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If your shooting is 300 yds or less then boattails are a waste of time. Look at the BR guys NOBODY uses boattails in the 100 or 200yd game... BT have to fly approximately 300 yards before they become completely stable in flight.
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Old 11-14-2007, 11:15 AM
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Quote:
BT have to fly approximately 300 yards before they become completely stable in flight.
Seems to be the case often enough when freebore is involved and pressures are high.
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Old 11-14-2007, 11:56 AM
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Some are using the Barts ultra boattails with success....but I agree with you that they are not needed.

Quote:
Originally Posted by Boss Hoss View Post
If your shooting is 300 yds or less then boattails are a waste of time. Look at the BR guys NOBODY uses boattails in the 100 or 200yd game... BT have to fly approximately 300 yards before they become completely stable in flight.
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Old 11-14-2007, 03:01 PM
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Hank,
I've got experience with the 6.5-300 WWH. It's been about 5 years since I've fired mine though. ;^(

How long is your barrel and what is the twist? What load did you use to get 3650 with a 140gr bullet? I have fired mine just a hair over 3500fps with a 30" barrel but basically wrecked the cases after 2-3 firings.
This speed demon has never set the accuracy bar really high to begin with because of the speed it runs at. So what type of accuracy are you getting with it? Maybe it's par for course? If your shooying a lot of pressure with the slow burning powders, the pressure at the muzzle is going to be elevated and will affect boattail bullets more than flatbase bullets if your crown if off-square just a little bit.

The best accuracy we ever got out of the 6.5-300's I've owned or buddies rifles have been shot with IMR7828 loaded down to around 3200-3300fps. Maybe try that jsut to see if the accuracy improves to help evaluate the accuracy of your hunting loads? Just a thought.

Steve
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