Long range hunting build

[b23]

Something happened in this thread and someone posted something that screwed up the thread. Some posts were lost in order to save the whole thing. Apologies but it was the best we can do. Usually it’s an attachment of some kind I think. Anyway... as you were.

I wondered what happened.  It wouldn't let me open page 2, I would always get a blank screen when I clicked on "all" or page 2.

[jackelope]

I’ve seen it happen maybe 5 times here in history. We’ve never been able to figure out exactly what causes it but my guess is a link or an attachment that has some sort of bug or something. You can’t open the page that that post is on to see and remove it, so the only option is to remove the whole page. Sorry.

[ghosthunter]

Well since my reply was lost. I will repost.

I have been thinking about a longer range gun. So my next one will be 7 mm 08.

[buckfvr]

Since you said 6.5, Id suggest the 6.5 PRC with the Berger 156 vld which would be coal of over 3.0", so long action and 7 twist barrel for best performance.

Otherwise, 7wsm with 168 vld, again long action and fast twist.

[jmscon]

Don’t mean to thread jack but what are people’s feelings on .264 win?
I’ve been playing with the idea, maybe 26” shilen on a savage action.

[KFhunter]

Since you said 6.5, Id suggest the 6.5 PRC with the Berger 156 vld which would be coal of over 3.0", so long action and 7 twist barrel for best performance.

Otherwise, 7wsm with 168 vld, again long action and fast twist.

 


I been drooling on that Christensen Arms 6.5 PRC RIDGELINE carbon barreled mountain gun for roughly $2k

It's an 1:8 twist barrel though

[buckfvr]

With Bergers relatively new 156 vld, Im sure you could get the 7 twist from Christensens......

.264 win mag, same case as 7mm rem mag, Id not do another belted mag by choice, short case life fore sure.  I am thinking of possibly rebarreling my 7rm to 7wsm, heavy on the possibly since I have everything 7mm rem mag already.

[Threethirtyeight]

156 Berger's stabilized fine with a 8 twist in my 6.5 wsm out to 1200 yards. Just got mine done this year and already has already accounted for two 1 shot deer. Absolutely great round faster than a prc and cheaper and easier to find brass for. You would be able to load them out nice and long on a 700 la. I put a  vx5 on it and am really happy with it leupold really stepped up their game with the vx5 and 6's.

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[buckfvr]

If you use Bergers twist rate and stability calculator, you can see they say that bullet is marginally stabil and 7.75 twist is what they recommend for their sea level, 59 degree base.  Even though I know its better higher and cooler, its still not as good as it could be with a faster twist which Im sure will become the norm as these longer and heavier yet 6.5 bullets appear.

If its not optimized its compromised.   

[Threethirtyeight]

If you use Bergers twist rate and stability calculator, you can see they say that bullet is marginally stabil and 7.75 twist is what they recommend for their sea level, 59 degree base.  Even though I know its better higher and cooler, its still not as good as it could be with a faster twist which Im sure will become the norm as these longer and heavier yet 6.5 bullets appear.

If its not optimized its compromised.   

Actually if you use the Berger twist rate calculator you will find that anything over 500 foot elevation is stable with a 1.51 sg at 59 degrees and at sea level it's still 1.48 sg which is probably  why Berger puts the minimum twist rate on the box's they come in as 1 in 8 .

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[b23]

Keep in mind, you can be below the text book SG of 1.5 and they will likely still shoot well, even very well.  There are lots of guns out there that shoot very well in that "marginal stability" range, they may not be getting the max BC of the bullet, but, depending on how far below 1.5 they are, they can still shoot well.

[buckfvr]

When ever possible, I will avoid the minimum.......if I was going to do a 6.5 intending to shoot the 156, for sure it would be a 7.5 or even 7 twist......

[Mulie87]

Am i correct that a 6.5prc uses a .308SA receiver? I’m confused with the long action recommendation. I’m looking at building a 6.5PRC for a deer rifle.

[buckfvr]

Another point of controversy based on opinion.  To me(opinion), if you want the most out of your PRC with longer heavier bullets to include the new 156 eol by Berger, then in order to seat the bullet to the optimal position in the case, the over all length exceeds capabilities of short action magazines.

Now if you only want to shoot factory ammo, then short action is fine, but reloading and loading long to get more velocity, will require, MAY require a long action/magazine to accomodate those longer coal rounds.  Id think 147 and heavier bullets, especially the 156 vld.

And yes, they are factory short action.

[jjhunter]

Plenty of room in a short action. These are factory 147’s seated waaayyyy out.   


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