whats the shortest you can go on the 6.5 creedmore and still get full powder burn and the best velocity.I guess what I'm asking is what is the optimal barrel length
6.5 creedmore barrle length
- Thread starter drglock
- Start date
Re: 6.5 creedmore barrle length
I see a lot of guys running 24'' barrels. I wouldn't go any shorter
I see a lot of guys running 24'' barrels. I wouldn't go any shorter
Re: 6.5 creedmore barrle length
Really i run a 20" 6.5x47
What exactly is the issue?
Instead posting what you think how about basing it something like data output from Quickload
Quickload will tell OP what he needs to know vs an opinion
So please explain your "I wouldnt go shorter than 24"
based on what data?
Really i run a 20" 6.5x47
What exactly is the issue?
Instead posting what you think how about basing it something like data output from Quickload
Quickload will tell OP what he needs to know vs an opinion
So please explain your "I wouldnt go shorter than 24"
based on what data?
Re: 6.5 creedmore barrle length
I'm wanting to go around 23-24 inches but want to make sure that I wont loss velocity due to shorter barrel.
I'm wanting to go around 23-24 inches but want to make sure that I wont loss velocity due to shorter barrel.
Re: 6.5 creedmore barrle length
The shortest I've ran has been 24". I'm currently running my barrel at 26". I've always used H4350 and suspect utilizing different powders you can find a load that will shoot fast from a shorter barrel.
The shortest I've ran has been 24". I'm currently running my barrel at 26". I've always used H4350 and suspect utilizing different powders you can find a load that will shoot fast from a shorter barrel.
Re: 6.5 creedmore barrle length
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Rob01</div><div class="ubbcode-body">Factory ammo or handloading? It makes a difference. </div></div>
Handloads
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Rob01</div><div class="ubbcode-body">Factory ammo or handloading? It makes a difference. </div></div>
Handloads
Re: 6.5 creedmore barrle length
With handloads you can bump the powder charge up and get better velocity with the shorter barrels but if you were looking at 24" anyways then I would keep it there so you don't need push it too much and get pressures too high.
Bullet weight also makes a difference as with the heavier 140 area bullets a little longer barrel is nice to have again so you don't have to get pressure too high. With your 24" choice you will be fine with any bullet factory or handloaded.
With handloads you can bump the powder charge up and get better velocity with the shorter barrels but if you were looking at 24" anyways then I would keep it there so you don't need push it too much and get pressures too high.
Bullet weight also makes a difference as with the heavier 140 area bullets a little longer barrel is nice to have again so you don't have to get pressure too high. With your 24" choice you will be fine with any bullet factory or handloaded.
Re: 6.5 creedmore barrle length
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: MDM</div><div class="ubbcode-body">I just ordered a 29" mtu Kreiger blank. I'm probably going to have it finished at 28". I hope to get the 140 VLD to 2850 without having to push it hard so the brass life will be good. </div></div>
You won't have any trouble getting them going 2850 fps. I have found with a tight head space +0.002 my brass life has been excellent. I'm still using the original batch of brass I started using when I finished chambering the barrel. they are coming up on 10x reloads and holding up great.
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: MDM</div><div class="ubbcode-body">I just ordered a 29" mtu Kreiger blank. I'm probably going to have it finished at 28". I hope to get the 140 VLD to 2850 without having to push it hard so the brass life will be good. </div></div>
You won't have any trouble getting them going 2850 fps. I have found with a tight head space +0.002 my brass life has been excellent. I'm still using the original batch of brass I started using when I finished chambering the barrel. they are coming up on 10x reloads and holding up great.
Re: 6.5 creedmore barrle length
Just a data point to share:
24" 1:8.5 twist, ~75F 80% humidity and 327ft elev
139gr scenars are running ~2800ft/sec 42.4gr H4350, cci200
142 smk are running ~2750 ft/sec 42.6gr H4350, cci200
I LOVE it.
I have a 22" 260 and it's only producing 2650 with a 142SMK. It's a gasser though so if that's not apples to apples, I don't know what is
+1 on what Rob01 said about factory vs. handloads. He'd be the man to listen to!
Hope this helps!
Just a data point to share:
24" 1:8.5 twist, ~75F 80% humidity and 327ft elev
139gr scenars are running ~2800ft/sec 42.4gr H4350, cci200
142 smk are running ~2750 ft/sec 42.6gr H4350, cci200
I LOVE it.
I have a 22" 260 and it's only producing 2650 with a 142SMK. It's a gasser though so if that's not apples to apples, I don't know what is
+1 on what Rob01 said about factory vs. handloads. He'd be the man to listen to!
Hope this helps!
Re: 6.5 creedmore barrle length
thanks guys looks like my 24 is good to go now time to give GAP a call
thanks guys looks like my 24 is good to go now time to give GAP a call
Re: 6.5 creedmore barrle length
I went with a 24" 6.5 Creedmoor too. I think that is good length to get more complete powder burn, but if you handload your options are wide open.
I went with a 24" 6.5 Creedmoor too. I think that is good length to get more complete powder burn, but if you handload your options are wide open.
Re: 6.5 creedmore barrle length
Mine is 23" and I'm really happy with it. I'm pushing 140gr A-Max's at 2810fps with excellent accuracy and no pressure signs at all.
Mine is 23" and I'm really happy with it. I'm pushing 140gr A-Max's at 2810fps with excellent accuracy and no pressure signs at all.
Re: 6.5 creedmore barrle length
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: MDM</div><div class="ubbcode-body">I just ordered a 29" mtu Kreiger blank. I'm probably going to have it finished at 28". I hope to get the 140 VLD to 2850 without having to push it hard so the brass life will be good. </div></div>
I am running a 25 inch Bartlein barrel in 1 in 8 twist, and my chrono was showing 2850 with Hornady Factory 140s. The next barrel will be 24 inches.
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: MDM</div><div class="ubbcode-body">I just ordered a 29" mtu Kreiger blank. I'm probably going to have it finished at 28". I hope to get the 140 VLD to 2850 without having to push it hard so the brass life will be good. </div></div>
I am running a 25 inch Bartlein barrel in 1 in 8 twist, and my chrono was showing 2850 with Hornady Factory 140s. The next barrel will be 24 inches.
Re: 6.5 creedmore barrle length
i'm getting 2650 out of 20" gas gun with factory loads @ 40 degrees and 350' ASL.may try to push slightly harder when i start to hand load for it.anyone try alliant 2000mr powder in it yet.
i'm getting 2650 out of 20" gas gun with factory loads @ 40 degrees and 350' ASL.may try to push slightly harder when i start to hand load for it.anyone try alliant 2000mr powder in it yet.
