juggernaut loads?

F/TR is the international full bore class for .308 and .223, currently being trialled around Australia.
BATattack
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juggernaut loads?

Post by BATattack »

Hi everyone!

One of the guys at the club is getting into f/tr with a 1-12 twist barrel.

Has anyone had any good/ bad experiences with that twist rate and juggernaut's and do you have any advice on where to start or finish with loads and jump vs jam?

Thanks in advance!
ShaneG
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Re: juggernaut loads?

Post by ShaneG »

If there is any chance of changing the barrel twist I would advise 1/10 minimum 1/11.
My experience is mainly with 1/10 which works well.
having said that I can offer no advice on 1/12 which I have not used for 185 Jug only 155.
Southcape
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Re: juggernaut loads?

Post by Southcape »

I have tried 185's in a 1:12 without success.

As Shane said 1:10 or 1:11 for 185's

If this is not a new barrel, then I would just continue to use 155's until it is time to change.
Linda
mike H
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Re: juggernaut loads?

Post by mike H »

I don't want to disagree with Shane and Linda,and I can't prove otherwise,as the slowest twist barrel I use is 1-11 but Berger suggests that 1-12 twist is suitable for 185 Juggernaughts .Having said that,I know from experience that 1-10 twist barrels shoot very well with 155 grain projectiles,and if you want to follow the leader,do what Shane does,you won't go wrong.
Mike.
BATattack
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Re: juggernaut loads?

Post by BATattack »

Thanks for your help! It's not for me but at the moment the he's having a go with the rifle he has and looking at building something dedicated down the track.

He is the first at our club to give ftr a go with heavier bullets so it's a learning curve. I was thinking the 1-10 would probably be the go when he gets serious.
EbenF
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Re: juggernaut loads?

Post by EbenF »

I'm shooting Juggs out of a 30" 1:12 Lilja. No problems at all.

Managed to shoot them from a 28" 1:13 TrueFlite barrel last season, so not sure if I just got lucky or if the whole twist rate thing is a bit over-rated...

Both barrels had 170 thou throats.
Trevor60
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Re: juggernaut loads?

Post by Trevor60 »

you should be fine with the 1-12 twist i have shot them in two different barrels
1-14 and 1-12 both worked great out to 900m or 100yards. at 250m ASL in Ottawa Canada
My speeds were higher upper 2700 fps .
jasmay
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Re: juggernaut loads?

Post by jasmay »

I used 1:12 for juggs and VLD's, both loads were exceptional.

No using 1:10 for 200's, but considering a 2nd setup for 185's mainly due to availability issues, ill use the 185's for club shoots.
superx10
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Re: juggernaut loads?

Post by superx10 »

Hi

The box says 1:12 or faster they worked great in my I;12 a every accurate pil,l can be hard to get .
Pommy Chris
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Re: juggernaut loads?

Post by Pommy Chris »

All my new barrels are 1 in 10 as I shoot heavier projectiles now but I have a Border 1 in in 12 which tac drives 185 Jugs. I would never buy a 1 in 12 now though as it is too limiting weight wise, but they will spin 185's for sure.
Chris
AlanF
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Re: juggernaut loads?

Post by AlanF »

John Whidden (2016 US LR Champion) likes a 1 in 10 for 155s! http://www.whiddengunworks.com/barnard-precise/
johnk
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Re: juggernaut loads?

Post by johnk »

So do (or did) more than a few Aussie TR shooters.
Julian D
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Re: juggernaut loads?

Post by Julian D »

I will second that..... 1-10 shoot the 155's pretty good :D
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