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.284 winchester velocity
- Thread starter josephberry
- Start date
Re: .284 winchester velocity
I settled on 2950 fps with them in my 29.5" Rock 1-9" twist barrel, went as high as 3020 fps with some pressure signs but 2950 fps shot the best.
Wayne aka WAMBO
I settled on 2950 fps with them in my 29.5" Rock 1-9" twist barrel, went as high as 3020 fps with some pressure signs but 2950 fps shot the best.
Wayne aka WAMBO
Re: .284 winchester velocity
what's you powder? I'm using 4831sc 55.5 grains and barely getting 2800, around 56 grains it gets a little too hot. my tube is only 26 so that could be part of the difference. Tried r-17 and got a little more velocity but the accuracy was not there.
what's you powder? I'm using 4831sc 55.5 grains and barely getting 2800, around 56 grains it gets a little too hot. my tube is only 26 so that could be part of the difference. Tried r-17 and got a little more velocity but the accuracy was not there.
Re: .284 winchester velocity
I'm using 4831SC also. With 54.4 grains I'm getting around 2850 out of a 28" barrel shooting the SMK 175. I'm right at 3200 rounds on this barrel and it's starting to get a little tired. Velocity have fallen off in the last 100 rounds.
I'm using 4831SC also. With 54.4 grains I'm getting around 2850 out of a 28" barrel shooting the SMK 175. I'm right at 3200 rounds on this barrel and it's starting to get a little tired. Velocity have fallen off in the last 100 rounds.
Re: .284 winchester velocity
I'm using 55grs of 4831SC to get 2950, 56grs gave me 3020 but like you it was a little too much.
I'm sure the longer barrel helps some but only getting 2800 seems low.
I get 2850 with the 180 Berger using 54grs of H4831SC.
I tried RL-17 but the accuracy wasn't as good as H4831SC.
I'm using 55grs of 4831SC to get 2950, 56grs gave me 3020 but like you it was a little too much.
I'm sure the longer barrel helps some but only getting 2800 seems low.
I get 2850 with the 180 Berger using 54grs of H4831SC.
I tried RL-17 but the accuracy wasn't as good as H4831SC.
Re: .284 winchester velocity
I get 2800 easy with RL17 on the 180s. Have been up to 2950 but saw pressure. RL 17 adds speed to this round without the Press. It gave 150fps over 4831sc.
I get 2800 easy with RL17 on the 180s. Have been up to 2950 but saw pressure. RL 17 adds speed to this round without the Press. It gave 150fps over 4831sc.
Re: .284 winchester velocity
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Jon Lester</div><div class="ubbcode-body">I get 2800 easy with RL17 on the 180s. Have been up to 2950 but saw pressure. RL 17 adds speed to this round without the Press. It gave 150fps over 4831sc. </div></div>
What barrel are you using to get 2800 fps?
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Jon Lester</div><div class="ubbcode-body">I get 2800 easy with RL17 on the 180s. Have been up to 2950 but saw pressure. RL 17 adds speed to this round without the Press. It gave 150fps over 4831sc. </div></div>
What barrel are you using to get 2800 fps?
Re: .284 winchester velocity
Thanks, I want to get 2925-50 fps so I am thinking a 30" barrel should make that no problem.
Thanks, I want to get 2925-50 fps so I am thinking a 30" barrel should make that no problem.
Re: .284 winchester velocity
Does anyone have any idea what velocity would be possible with the 284 and 195gr. bergers?
Does anyone have any idea what velocity would be possible with the 284 and 195gr. bergers?
Re: .284 winchester velocity
Here is the thread on the 'hide for 284 loads:
http://www.snipershide.com/forum/ubbthreads.php?ubb=showflat&Number=2132950#Post2132950
The 284 is not going to make proper use of the upcoming 195 Berger.
Here is the thread on the 'hide for 284 loads:
http://www.snipershide.com/forum/ubbthreads.php?ubb=showflat&Number=2132950#Post2132950
The 284 is not going to make proper use of the upcoming 195 Berger.
Re: .284 winchester velocity
I would still like to know what people think could be the velocity achievable with the 195's in the 284.
I would still like to know what people think could be the velocity achievable with the 195's in the 284.
Re: .284 winchester velocity
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: rusty815</div><div class="ubbcode-body">I would still like to know what people think could be the velocity achievable with the 195's in the 284. </div></div>
Somewhere in the ~2700-2750 zone, based on equal muzzle energy for both bullets (m1*v1^2 = m2*v2^2), which is a reasonable method.
Now, run the numbers and see what bullets make sense with this cartridge.
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: rusty815</div><div class="ubbcode-body">I would still like to know what people think could be the velocity achievable with the 195's in the 284. </div></div>
Somewhere in the ~2700-2750 zone, based on equal muzzle energy for both bullets (m1*v1^2 = m2*v2^2), which is a reasonable method.
Now, run the numbers and see what bullets make sense with this cartridge.
Re: .284 winchester velocity
It does actually. Looks like it stays supersonic a lot longer than the 180's at 2900fps, anyone know the lowest possible velocity a Berger bullet needs to expand?
It does actually. Looks like it stays supersonic a lot longer than the 180's at 2900fps, anyone know the lowest possible velocity a Berger bullet needs to expand?
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