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308 Win powder

 
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  #22  
Old 10-10-2013, 01:08 AM
kc kc is offline
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Re: 308 Win powder

IMR 4064 has been my first choice for my .3006 and my .308 and have the best accurcy at any range.
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  #23  
Old 10-10-2013, 06:15 AM
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Re: 308 Win powder

When I couldn't get any varget for my 308 I tried IMR 8208 XBR and am very pleased with the results.


NOTE they say it is totally insensitive to temperature changes.


IMR 8208

IMR 8208 XBR The latest in the versatile IMR line of fine propellants, this accurate metering, super short grained extruded rifle powder was designed expressly for match, varmint, and AR sniper cartridges. Ideally suited for cartridges like the 223 Remington/5.56mm, 308 Winchester/7.62mm NATO and the 6mm PPC, shooters will find IMR 8208 XBR totally insensitive to changes in temperature, while yielding max velocities and “tack driving” accuracy. Clearly, the competitor’s “choice” and the Varmint Hunter’s “dream powder”.
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  #24  
Old 10-11-2013, 01:12 PM
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Re: 308 Win powder

Quote:
Originally Posted by tbrice23 View Post
Ive tried rl15 with 4 bullets 3 bullet weights 3 different primers in 3 different guns two .308 one 6br and cant get squat with it. I'm really scratching my head why. (Im trying so hard because im setting on 4lbs)
Try working 42.0grs. to 44.5grs of R-15 with a 168gr. Sierra MK you will hit the sweet spot some where in between. My Tikka T3 Varmint likes 44.5grs of R-15. Hope this helps.
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  #25  
Old 10-11-2013, 02:05 PM
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Re: 308 Win powder

Will do
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  #26  
Old 10-11-2013, 02:11 PM
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Re: 308 Win powder

Quote:
Originally Posted by txjohn View Post
Try working 42.0grs. to 44.5grs of R-15 with a 168gr. Sierra MK you will hit the sweet spot some where in between. My Tikka T3 Varmint likes 44.5grs of R-15. Hope this helps.
Ive spent much time with the 168's. Hornady, sierra, and berger. Even pushing them hard i just cant get the energy and wind bucking potential of the heavier bullets. Since its getting close to time to re barrel i just as well figured id build a barrel in the direction ive been heading, which is toward the heavies.

If you wanna share youre load data, Mv, and opinion on temp sensitivity of the 168's with re 15, i would sure appreciate it.
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  #27  
Old 10-12-2013, 08:16 PM
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Re: 308 Win powder

Quote:
Originally Posted by AZShooter View Post
When I couldn't get any varget for my 308 I tried IMR 8208 XBR and am very pleased with the results.


NOTE they say it is totally insensitive to temperature changes.


IMR 8208

IMR 8208 XBR The latest in the versatile IMR line of fine propellants, this accurate metering, super short grained extruded rifle powder was designed expressly for match, varmint, and AR sniper cartridges. Ideally suited for cartridges like the 223 Remington/5.56mm, 308 Winchester/7.62mm NATO and the 6mm PPC, shooters will find IMR 8208 XBR totally insensitive to changes in temperature, while yielding max velocities and “tack driving” accuracy. Clearly, the competitor’s “choice” and the Varmint Hunter’s “dream powder”.
They are making quite a statement when they say "totally insensitive", but if it gives great accuracy & vel. as well, guess it's worth trying.
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  #28  
Old 10-12-2013, 08:23 PM
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Re: 308 Win powder

Agreed . Nothing on earth is impervious to temp swings .
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