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168 vs 208gr in 300 WSM

 
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  #1  
Old 07-18-2010, 02:54 PM
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168 vs 208gr in 300 WSM

Im having a problem getting any group I can proudly say I shot with my 300 wsm and 208gr A-Max, I cant seem to get speed out of them and they are staying in about 3/4 MOA right now, however with 168gr A-Max running at book max I am getting desent speed and 1/4MOA groups. I know the 168s are going to slow down quicker than the 208s and therefor lack the knock down power at extended ranges. But for 1000 yards shooting or possibly longer on paper am I going to notice a difference?

I really want to use the 208s because I like the bullet but the 168's are grouping alot better. I dont know what to do.

My rig
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Old 07-18-2010, 03:12 PM
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Re: 168 vs 208gr in 300 WSM

There isn't any reason why you shouldn't be able to get the 208 to shoot better...sounds like you just need to do a bit more "tuning" with it. It will definitely out perforn the 168 at distances past 800.
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Old 07-18-2010, 03:48 PM
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Re: 168 vs 208gr in 300 WSM

i know what you mean dk17hmr. I am also shooting the (300wsm) 168s (SMKs) and are shooting them superb. .3" at 100, <3"at 550, and 11"-15" at 1012 in a pretty much stock gun. I however have not tried to shoot the 208s but i have some and im not sure if i should try with the way the 168s are shooting.
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Old 07-18-2010, 03:58 PM
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Re: 168 vs 208gr in 300 WSM

Depending on the setup of the gun you may not have enough case capacity to get the most out of the 208s. You could try 200s or 180s, either will outshoot the 168s ballistically.

168s are okay for paper at 1000, the 308 guys do it with less velocity. You're going to be light for game though.
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Old 07-18-2010, 04:23 PM
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Re: 168 vs 208gr in 300 WSM

Quote:
Originally Posted by dk17hmr View Post
Im having a problem getting any group I can proudly say I shot with my 300 wsm and 208gr A-Max, I cant seem to get speed out of them and they are staying in about 3/4 MOA right now, however with 168gr A-Max running at book max I am getting desent speed and 1/4MOA groups. I know the 168s are going to slow down quicker than the 208s and therefor lack the knock down power at extended ranges. But for 1000 yards shooting or possibly longer on paper am I going to notice a difference?

I really want to use the 208s because I like the bullet but the 168's are grouping alot better. I dont know what to do.

My rig
Just one question at what range are you testing at?
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Old 07-18-2010, 04:40 PM
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Re: 168 vs 208gr in 300 WSM

I am grouping mainly at 300 yards. I generally test loads at 225 yards. I guess I should test at 500-600 yards and just see.

The rifle has a Krieger 1:10 twist only 24" long tube, seems to shoot slow with heavier bullets. The 208's were only going about 2650fps where the groups were tightest.

I am neck turning and uniforming the flash hole. Although it is not a tight neck gun it did improve grouping.

I can seat the 208's out to 3.090" and be just shy of the lands.
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Old 07-18-2010, 08:54 PM
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Re: 168 vs 208gr in 300 WSM

did you try switching primers?
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