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270 twist rate

24 Nov 2016
@ 02:16 am (GMT)

john feyereisn

I have a rem 700 in 270w i am considering rebarreling. A 10 twist is pretty standard, i would like to shoot the hogher bc 150 grain bullets, i am leaning toward a 9 twist barrel, i know most or all 270 bullets will shoot ok in a 10 but i am thonking the higher bc 150s certainly would not be hindered with a 9. I really dont think it would hurt much even with the lighter bullets. I coild go with an 8 as well, but an 8 might hurt performance with lighter bullets.
What do you think? Does a 9 twist make sense?

Replies

24 Nov 2016
@ 02:37 pm (GMT)

Bryan Webster

Re: 270 twist rate
Go to Berger Bullets web site and use their twist calculator for your bullet and speed. You will have to enter everything manually as I do not think the .270 cal is in their bullet list. To me it looks like the long heavy 150 grainers or better would do well with the 1:9 twist, but I would wait for Nathan's advice on that.
24 Nov 2016
@ 02:38 pm (GMT)

Bryan Webster

Re: 270 twist rate
Here is the link:

http://www.bergerbullets.com/twist-rate-calculator/
24 Nov 2016
@ 07:12 pm (GMT)

Nathan Foster

Re: 270 twist rate
Hi John, it would work fine. Of the heavy pills, just be a bit careful as some sleek designs are not all they are cracked up to be at present. If you really want heavy pills, go with the .280 / 9 twist to widen your options.
24 Nov 2016
@ 10:08 pm (GMT)

john feyereisn

Re: 270 twist rate
Quote:
Hi John, it would work fine. Of the heavy pills, just be a bit careful as some sleek designs are not all they are cracked up to be at present. If you really want heavy pills, go with the .280 / 9 twist to widen your options.


Thank you guys for the comments
I have never owned one, but on paper i really like tge 280 rem, however i own a couple 270s and a 7 rem mag. I inderstand the appeal of the 280, but i would rather not fuss with brass and dies for another caliber.

25 Nov 2016
@ 10:18 pm (GMT)

john feyereisn

Re: 270 twist rate
After shopping around a bit, it seems my choices for a 9 twist 270 barrel are a xcaliber, or for another $100 or so i can get a Kreiger. I have heard good things about the xcaliber barrels and they should be an upgrade from a factory rem barrel. A kreiger from what i can see seems to be a top of the line barrel with many on competition rifles of all sorts.
On one hand I could justify the extra cost, if you spread it out over the life of the barrel an extra $100 for a top of the line blank doesnt seem to bad. On the other hand I question wether I, an average hunter witha sporter barrel rifle would see any difference in a slightly lower cost blank. Simple luck of the draw could come into play as well.
Any thoughts on the make of the barrel?
26 Nov 2016
@ 02:54 am (GMT)

mark whiteley

Re: 270 twist rate
seriously John if you can afford a Krieger do it,
accuracy so I have been led to believe is the 3 b's
bullets, barrels and bumnut's
obviously there are other things that come into play but get the best you can,
cry one time ;)
saying all that I have used with great success shilen match grade barrels at around $350 AU delivered to my door
cheers mark
27 Nov 2016
@ 01:29 am (GMT)

john feyereisn

Re: 270 twist rate
Mark, i had considered shilen and would have no hesitation, however they do not offer a 9 twist 270
27 Nov 2016
@ 02:49 am (GMT)

Bryan Webster

Re: 270 twist rate
Not many make the .270 barrel in a 1:9 twist. I know Kreiger does however.

you are best to phone the barrel makers and ask before committing.
01 Dec 2016
@ 05:34 am (GMT)

Mike Davis

Re: 270 twist rate
http://www.huntingnut.com/index.php?name=Forums&file=viewtopic&p=150446#150446
hope this works
03 Dec 2016
@ 01:23 am (GMT)

john feyereisn

Re: 270 twist rate
Mike, your link is not working for me
03 Dec 2016
@ 09:42 am (GMT)

Mike Davis

Re: 270 twist rate
try again......


http://www.huntingnut.com/index.php?name=Forums&file=viewtopic&t=12666
03 Dec 2016
@ 09:49 am (GMT)

Mike Davis

Re: 270 twist rate
sorry bud Im a bit of a techtard....
go to www.huntingnut
big game hunting
NM cow elk hunt

and see what slimjim has been up to with projectiles
04 Dec 2016
@ 02:01 am (GMT)

john feyereisn

Re: 270 twist rate
I found the thread about the cow elk taken with the 6.8 and the prototype copper bullet. That was interesting, a winchester xp3 bullet that has a front half of solidcopper and a terrible experience with it is the reasoni am here on this site becoming a bullet nerd. I will poke around over there some more and see what i see
04 Dec 2016
@ 06:31 am (GMT)

Mike Davis

Re: 270 twist rate
yip thats the one...slimjim has done a heck of alot of projectile testing...he puts a jug of water infron t of his bullet trap box...not as good as Nathans goats but they few and far between in the states....
just about every .277 cal projectile has been given a work out,I will go and see if I can bump some of his other test threads for you.
 

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