Re: best BC on a 260 bullet
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Paduan Learner</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: bohem</div><div class="ubbcode-body">I'm confused.
If you want the flattest shooting 6.5mm round I think it's along the lines of the 6.5 WSM with a 140 JLK or the 264 Allen Mag (essentially a 6.5 WSM with some improvements) and a 140 running around 3700 fps.
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I'm confused too!
Is the 6.5wsm a new factory round? Did I miss something?? Or are you talking 'bout a wildcat 7mmWSM or .300WSM necked down to 6.5?
My F-class buddy has gone 7mmSAUM, but is necking down .300SAUM and lengthening the case as it is fireformed. (It's a brass issue!)
I thought that the idea of a 6.5SAUM offered a better balanced case (Not as stupidly over-bore) than a WSM case adapted.
Thought's, comments, queries?
neil </div></div>
It's a wildcat. I'd make it from 270 WSM brass since it's the closest bullet size, easiest to neck size, and it has a longer neck than the 7 WSM so the barrel life will improve, even if ever so slightly.
The 6.5-7SAUM sounds like a pretty solid performer too. I have a 7 SAUM on the way right now.
The 7mm bullets have better BCs than the 6.5's do, just FYI. The extra recoil, powder, and slight increase in expense might stop you from it. The barrel lives are significantly better though.