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375 H&H for long range

 
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  #1  
Old 04-29-2014, 05:14 PM
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375 H&H for long range

Anyone have experience shooting a 375 H&H long range? I need a new barrel and can't decide between 1 in 11" or 1 in 12" twist. If I get a 1 in 12" I can get a barrel quickly. The 1 in 11" requires me to wait 7-8 months. Shooting 350 gr SMK's, looking for 3/4" MOA or better.
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Old 04-30-2014, 10:16 PM
dig dig is offline
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Re: 375 H&H for long range

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Originally Posted by AFRIFLEMAN View Post
Anyone have experience shooting a 375 H&H long range? I need a new barrel and can't decide between 1 in 11" or 1 in 12" twist. If I get a 1 in 12" I can get a barrel quickly. The 1 in 11" requires me to wait 7-8 months. Shooting 350 gr SMK's, looking for 3/4" MOA or better.
To maximize the 350 SMK out of the HH you will need a tighter twist, like 1 in 10. The velocities will be a little slow in the good old H&H, all else being equal and normal elevation. Something people don't take into consideration is speed with heavier bullets and twist.
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Old 05-01-2014, 08:31 AM
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Re: 375 H&H for long range

Thanks. I'm getting 2400FPS now out of 1 in 12. With that bullets BC 1K yds is doable if I can get the groups down. What kinda speed do you think I'll get with 1 in 10?
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Old 05-01-2014, 08:52 AM
dig dig is offline
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Re: 375 H&H for long range

It's bullet stabilization. The 1 in 12 will not stabilize unless the velocity is pushed or at high altitude; ergo, accuracy will suffer. 1 in 10 or tighter should stabilize the 350 SMK. The H&H just doesn't have the velocity. Is the bullet performing for you now? Have you ladder tested.
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Old 05-01-2014, 12:00 PM
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Re: 375 H&H for long range

No, it's not. It randomly throw's a bullet out. it's been giving me issues for months. I've tried everything. Even made a post but no one could tell me what was wrong. It'll shoot fine for a shot or two then throw one 6-10 moa off. usually to the right. Thanks for the advise. How will changing to a 1 in 10 effect my ?
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Old 05-01-2014, 12:01 PM
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Re: 375 H&H for long range

effect my velocity?
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Old 05-01-2014, 12:21 PM
dig dig is offline
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Re: 375 H&H for long range

Won't affect velocity, will stabilize the bullet. If you increase velocity you can get away with a lighter twits, ie a 378 Weatherby in 1-11 will stabilize the 350SMK. You are stuck with a 375 H&H velocity wise. Hence the need for a tighter twist such as 1-10. You may try the 300 grn Accubond. I have had great results with that bullet to 800 in H&H. Look at the charts and determine. Sometimes BC is not everything.
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