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Mar 25th, 2012
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Which cartridge for short bbl/suppressor #7402802
01/12/19 10:25 PM
01/12/19 10:25 PM
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howl Offline OP
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Say you wanted to throw at least a 120gr bullet, with a sectional density of at least .25, starting out fast enough to still go at least 2600fps at 150 yards, and do it from a 16" barrel, which cartridge would you choose?


trying to figure out Rio gobbler and javelina hunts in TX
Re: Which cartridge for short bbl/suppressor [Re: howl] #7403077
01/13/19 05:37 AM
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Maybe one of these?

https://www.hornady.com/ammunition/rifle/6-5-creedmoor-120-gr-gmx-superformance#!/

https://www.hornady.com/ammunition/rifle/6-5-creedmoor-129-gr-sst-superformance#!/

https://www.hornady.com/ammunition/rifle/7mm-08-rem-139-gr-sst-superformance#!/

Re: Which cartridge for short bbl/suppressor [Re: howl] #7403093
01/13/19 06:00 AM
01/13/19 06:00 AM
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I'm getting 2730 at the muzzle from my 16" 6.5 Creedmoor and factory Superformance 129 SST. They're only moving 2400 at 150 yards. The problem you're going to have with the light bullets is low BC. You cant run them fast enough in such a short barrel to overcome the low BC at distance. I'll run the numbers with a 308 and see if it's an option but I think your expectations are high. Also, if you're shooting a gas gun, the velocities will be even lower.


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Originally Posted by KRoyal
Haha yea I polished that thing for hours.
Re: Which cartridge for short bbl/suppressor [Re: howl] #7403094
01/13/19 06:12 AM
01/13/19 06:12 AM
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Well, the 308 won't meet your demands. Even a 6.5 Creedmoor running 130 Hybrids would need 2900 FPS MV to do what you're asking. Maybe someone else can come up with a magic combination but I think you're going to have to be flexible with either your barrel length or your expectations. 2cents

I just ran the numbers for a 7mm with 162 ELD and you'd still need 2900 to get to your goal. It'll never happen in a barrel that short unless you get a magnum and experiment with faster than normal powders.

Last edited by ImTheReasonDovesMourn; 01/13/19 06:17 AM. Reason: Added 7mm info

[Linked Image]
Originally Posted by KRoyal
Haha yea I polished that thing for hours.
Re: Which cartridge for short bbl/suppressor [Re: howl] #7403098
01/13/19 06:30 AM
01/13/19 06:30 AM
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I agree with the statement above, that is going to be very hard to find, actually very lofty goals. Why 2600fps?

Re: Which cartridge for short bbl/suppressor [Re: howl] #7403239
01/13/19 03:13 PM
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Originally Posted by howl
Say you wanted to throw at least a 120gr bullet, with a sectional density of at least .25, starting out fast enough to still go at least 2600fps at 150 yards, and do it from a 16" barrel, which cartridge would you choose?



17" 7mm-08 A.I. and suppressor

162 gr. ELD-X 2640 fps MV
150 gr. ELD-X 2700 fps MV

Speeds confirmed out to 800 yards. They might not be 2600 fps at 150 yards, but the multitude of animals hit as far as 300 yards died anyway.

Last edited by FiremanJG; 01/13/19 03:16 PM.


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Re: Which cartridge for short bbl/suppressor [Re: howl] #7403493
01/13/19 09:25 PM
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6.5 prc(saum) or a wsm or you will have to use a long action.

Re: Which cartridge for short bbl/suppressor [Re: howl] #7403502
01/13/19 09:41 PM
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My 16.25" 6.5 CM has killed axis out to 350ish and hogs nearing 500 yards with 120 grain A-Max. MV of 2750.

Re: Which cartridge for short bbl/suppressor [Re: howl] #7403647
01/14/19 12:41 AM
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2600 fps because it seems to be the approximate number for DRT with in tight heart lung shots.


trying to figure out Rio gobbler and javelina hunts in TX
Re: Which cartridge for short bbl/suppressor [Re: howl] #7403650
01/14/19 12:44 AM
01/14/19 12:44 AM
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Originally Posted by howl
2600 fps because it seems to be the approximate number for DRT with in tight heart lung shots.



Alrighty then. Good luck to ya.


[Linked Image]
Originally Posted by KRoyal
Haha yea I polished that thing for hours.
Re: Which cartridge for short bbl/suppressor [Re: howl] #7403661
01/14/19 12:54 AM
01/14/19 12:54 AM
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Originally Posted by howl
2600 fps because it seems to be the approximate number for DRT with in tight heart lung shots.


Lol tell that to all the hogs Ive smacked with my 300BLK out of an 8 barrel running at around 2000FPS. Most were all DRT.


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Re: Which cartridge for short bbl/suppressor [Re: KRoyal] #7403667
01/14/19 12:59 AM
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Originally Posted by KRoyal
Originally Posted by howl
2600 fps because it seems to be the approximate number for DRT with in tight heart lung shots.


Lol tell that to all the hogs Ive smacked with my 300BLK out of an 8 barrel running at around 2000FPS. Most were all DRT.


I have seen it first hand.

Re: Which cartridge for short bbl/suppressor [Re: howl] #7403708
01/14/19 01:40 AM
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A lot on bangflop lung shots is how full of air the lungs are when hit. I have seen it at 100 yards from a 30-30 and have watched a buck run off for almost 100 yards after a lung shot from a 7mmSTW with an impact velocity of about 3200fps.

The only sure bang flop drt shots that guarantee it are CNS shots. Velocity helps but is not the end all answer.

Re: Which cartridge for short bbl/suppressor [Re: howl] #7403724
01/14/19 01:58 AM
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I think the answer is powder blends and short fat cartridges, which would have to come from a manufacturer. Perhaps if we get access to suppressors without tax stamp rigamarole these things will happen.


trying to figure out Rio gobbler and javelina hunts in TX
Re: Which cartridge for short bbl/suppressor [Re: howl] #7403779
01/14/19 02:58 AM
01/14/19 02:58 AM
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So Im about to pull the trigger to rebarrel to either a 16.5 308 or a 7mm-08. I like the availability and popularity of the 308 but I think the 7mm-08 has an advantage. This gun will be suppressed. I currently run it with a 16.5 308 lite barrel. Ill be going to a heavier barrel in either caliber. Any recommendations?

Last edited by Shaner; 01/14/19 02:59 AM.
Re: Which cartridge for short bbl/suppressor [Re: Shaner] #7403783
01/14/19 03:02 AM
01/14/19 03:02 AM
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Originally Posted by Shaner
So Im about to pull the trigger to rebarrel to either a 16.5 308 or a 7mm-08. I like the availability and popularity of the 308 but I think the 7mm-08 has an advantage. This gun will be suppressed. I currently run it with a 16.5 308 lite barrel. Ill be going to a heavier barrel in either caliber. Any recommendations?



7mm-08 does have the advantage.

I have three 7mm bores. More than any caliber. One .308, in a gas gun, and it may well get a new barrel in 7mm-08.

The right hand load, and it will be excellent in bolt action or AR, even with a 16" barrel.



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Re: Which cartridge for short bbl/suppressor [Re: FiremanJG] #7403787
01/14/19 03:04 AM
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Originally Posted by FiremanJG
Originally Posted by Shaner
So Im about to pull the trigger to rebarrel to either a 16.5 308 or a 7mm-08. I like the availability and popularity of the 308 but I think the 7mm-08 has an advantage. This gun will be suppressed. I currently run it with a 16.5 308 lite barrel. Ill be going to a heavier barrel in either caliber. Any recommendations?



7mm-08 does have the advantage.

I have three 7mm bores. More than any caliber. One .308, in a gas gun, and it may well get a new barrel in 7mm-08.

The right hand load, and it will be excellent in bolt action or AR, even with a 16" barrel.


This is going in a bolt rifle. Appreciate the advice.

Re: Which cartridge for short bbl/suppressor [Re: howl] #7403808
01/14/19 03:24 AM
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Originally Posted by howl
I think the answer is powder blends and short fat cartridges, which would have to come from a manufacturer. Perhaps if we get access to suppressors without tax stamp rigamarole these things will happen.

You don't need powder blends to achieve what you want. It's just going to come with muzzle blast that will be eliminated with your suppresor. 264 win mag would probably be good candidate on the low side. 300 win will do it, if your suppressor is rated for it.

Re: Which cartridge for short bbl/suppressor [Re: bo3] #7403918
01/14/19 12:03 PM
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Originally Posted by bo3
Originally Posted by howl
I think the answer is powder blends and short fat cartridges, which would have to come from a manufacturer. Perhaps if we get access to suppressors without tax stamp rigamarole these things will happen.

You don't need powder blends to achieve what you want. It's just going to come with muzzle blast that will be eliminated with your suppresor. 264 win mag would probably be good candidate on the low side. 300 win will do it, if your suppressor is rated for it.

You got data on that? Thanks.


trying to figure out Rio gobbler and javelina hunts in TX
Re: Which cartridge for short bbl/suppressor [Re: howl] #7404049
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.375 Bushmaster


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Re: Which cartridge for short bbl/suppressor [Re: howl] #7404239
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Originally Posted by howl
Originally Posted by bo3
Originally Posted by howl
I think the answer is powder blends and short fat cartridges, which would have to come from a manufacturer. Perhaps if we get access to suppressors without tax stamp rigamarole these things will happen.

You don't need powder blends to achieve what you want. It's just going to come with muzzle blast that will be eliminated with your suppresor. 264 win mag would probably be good candidate on the low side. 300 win will do it, if your suppressor is rated for it.

You got data on that? Thanks.


300 win barrel test

This is about the only data I can find. It used factory 190 gr. Its going to be hard to find any data on a 16" barrel to do what your wanting. You might get there with 168 im the 300. You might look into the 338s.

Re: Which cartridge for short bbl/suppressor [Re: howl] #7404281
01/14/19 06:11 PM
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I no longer have quickload but you can get good predictions of loads in different barrel lengths

Re: Which cartridge for short bbl/suppressor [Re: bo3] #7404532
01/14/19 10:09 PM
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Originally Posted by bo3
Originally Posted by howl
Originally Posted by bo3
Originally Posted by howl
I think the answer is powder blends and short fat cartridges, which would have to come from a manufacturer. Perhaps if we get access to suppressors without tax stamp rigamarole these things will happen.

You don't need powder blends to achieve what you want. It's just going to come with muzzle blast that will be eliminated with your suppresor. 264 win mag would probably be good candidate on the low side. 300 win will do it, if your suppressor is rated for it.

You got data on that? Thanks.


300 win barrel test

This is about the only data I can find. It used factory 190 gr. Its going to be hard to find any data on a 16" barrel to do what your wanting. You might get there with 168 im the 300. You might look into the 338s.

Thanks.


trying to figure out Rio gobbler and javelina hunts in TX
Re: Which cartridge for short bbl/suppressor [Re: howl] #7404537
01/14/19 10:13 PM
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Well, now. I did not realize integrally suppressed rifles are as affordable as they are.


trying to figure out Rio gobbler and javelina hunts in TX
Re: Which cartridge for short bbl/suppressor [Re: howl] #7404996
01/15/19 12:56 PM
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Originally Posted by howl
Well, now. I did not realize integrally suppressed rifles are as affordable as they are.

Where??? You have peaked my interest... grin

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