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#5728768 - 05/04/15 04:17 PM Optimal .308 Barrel Length?
QuitShootinYoungBucks Offline
THF Trophy Hunter

Registered: 11/01/12
Posts: 6479
Loc: Lubbock, TX
I want to cut down the 26" HB on my M70 and have it threaded for suppressor use. Should I stop at 20", or go to 18", or go even shorter? Thoughts?
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#5728816 - 05/04/15 04:47 PM Re: Optimal .308 Barrel Length? [Re: QuitShootinYoungBucks]
dee Offline
Extreme Tracker

Registered: 04/10/10
Posts: 4665
Loc: Red River way
If you will always use the can then I say 18-20.
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#5728826 - 05/04/15 04:51 PM Re: Optimal .308 Barrel Length? [Re: QuitShootinYoungBucks]
Varget 7-08 Offline
Extreme Tracker

Registered: 04/04/10
Posts: 4968
Loc: SA / Helotes, TX
18"

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#5728874 - 05/04/15 05:22 PM Re: Optimal .308 Barrel Length? [Re: QuitShootinYoungBucks]
KRoyal Offline
THF Celebrity

Registered: 01/24/07
Posts: 13627
Loc: Sherman/North of Dallas
I run a 16" suppressed. Like it much more than my 20" POF I had before it.
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#5729010 - 05/04/15 07:17 PM Re: Optimal .308 Barrel Length? [Re: QuitShootinYoungBucks]
syncerus Offline
Pro Tracker

Registered: 12/01/08
Posts: 1992
Loc: Dallas, TX
Don't forget to check the barrel length rating on your suppressor before you cut.
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#5729011 - 05/04/15 07:19 PM Re: Optimal .308 Barrel Length? [Re: syncerus]
FiremanJG Offline
THF Celebrity

Registered: 12/16/08
Posts: 17893
Loc: Wolfe City, TX
Originally Posted By: dee
If you will always use the can then I say 18-20.


^^This^^

Originally Posted By: syncerus
Don't forget to check the barrel length rating on your suppressor before you cut.


^^And this^^
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#5729107 - 05/04/15 08:23 PM Re: Optimal .308 Barrel Length? [Re: QuitShootinYoungBucks]
patriot07 Offline
Tracker

Registered: 11/06/11
Posts: 958
Loc: Royse City, TX
My Savage 11 VT came with a 24" barrel. Why are the shorter barrels better? Stiffer? Is that true even with the varmint barrel models?

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#5729119 - 05/04/15 08:29 PM Re: Optimal .308 Barrel Length? [Re: patriot07]
FiremanJG Offline
THF Celebrity

Registered: 12/16/08
Posts: 17893
Loc: Wolfe City, TX
Originally Posted By: patriot07
My Savage 11 VT came with a 24" barrel. Why are the shorter barrels better? Stiffer? Is that true even with the varmint barrel models?


Shorter is stiffer, very true.

Hang a 26 oz. suppressor on the end of a 24" or 26" barrel and it will be very picky in powder charge. Hang that suppressor on the same contour 18" or 20" and it will widen the powder charge node. It will also lose velocity, thus the balancing act.
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#5729154 - 05/04/15 08:56 PM Re: Optimal .308 Barrel Length? [Re: QuitShootinYoungBucks]
patriot07 Offline
Tracker

Registered: 11/06/11
Posts: 958
Loc: Royse City, TX
Thanks.

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#5729532 - 05/05/15 08:09 AM Re: Optimal .308 Barrel Length? [Re: FiremanJG]
SingleShot85 Offline


Registered: 05/27/09
Posts: 1750
Loc: S.A. and Kinney Co.
Originally Posted By: FiremanJG
Originally Posted By: patriot07
My Savage 11 VT came with a 24" barrel. Why are the shorter barrels better? Stiffer? Is that true even with the varmint barrel models?


Shorter is stiffer, very true.

Hang a 26 oz. suppressor on the end of a 24" or 26" barrel and it will be very picky in powder charge. Hang that suppressor on the same contour 18" or 20" and it will widen the powder charge node. It will also lose velocity, thus the balancing act.


.... 26oz damn........... Ti is your friend
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#5729535 - 05/05/15 08:12 AM Re: Optimal .308 Barrel Length? [Re: SingleShot85]
FiremanJG Offline
THF Celebrity

Registered: 12/16/08
Posts: 17893
Loc: Wolfe City, TX
It is Ti.

It's also .300 Win Mag rated and three years old.
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#5729565 - 05/05/15 08:30 AM Re: Optimal .308 Barrel Length? [Re: QuitShootinYoungBucks]
SingleShot85 Offline


Registered: 05/27/09
Posts: 1750
Loc: S.A. and Kinney Co.
maybe the number struck me funny, I need to weigh mine....
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"That the people have a Right to MASS and to bear arms; that a well regulated militia composed of the Body of the people, trained to arms, is the proper natural and safe defense of a free State..."
- George Mason

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