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300 WSM Barrel Length

 
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Old 12-21-2013, 01:01 PM
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300 WSM Barrel Length

Does anybody have any actual chrono experience with a 300 WSM with shorter barrels? I know there will be some velocity loss, but whether or not it would be enough to make any practical difference at nominal hunting ranges (600 yds or less).
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Old 12-21-2013, 01:23 PM
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Re: 300 WSM Barrel Length

With RL17 I was able to push 180 bullets to 3200 fps out of a long throated 24 3/8" SAKO barrel. With H4350 I got 3000 fps. Either will do the job to well past 600 yds.
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Old 12-21-2013, 02:31 PM
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Re: 300 WSM Barrel Length

Quote:
Originally Posted by MontanaRifleman View Post
With RL17 I was able to push 180 bullets to 3200 fps out of a long throated 24 3/8" SAKO barrel. With H4350 I got 3000 fps. Either will do the job to well past 600 yds.
Thanks MR. The factory barrel is 24" so I was really looking for velocities in the 22" range.

I know there will be some. It is just a matter of just how much and whether or not it will have a meaninful difference at practical ranges. I built a 22" 260 a while back and there were quite a few people that seemed to think that a 2-4" difference was going to absolutely kill its performance. That was absolutely not the case. There is less than 50 fps difference between it and my heavy 26" long range rifle.
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Old 12-21-2013, 02:37 PM
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Re: 300 WSM Barrel Length

Depending on powder and bullet you use, I am guessing you will see 20-30 fps per inch in the 300 WSM. Those velocities should still work past 600 yds. Something else to consider is muzzle blast. I'm guessing it will be a good bit more in a 22" 300 WSM vs a 22" 260 Rem
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