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6.5 Creedmore on a long action??? #6887747 09/15/17 12:34 AM
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scdogman Offline OP
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Any problems with building a 6.5 creedmoor on a long action?

Re: 6.5 Creedmore on a long action??? [Re: scdogman] #6887752 09/15/17 12:43 AM
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No reason it cannot work that I can think of. I do like my long action 6.5-284


lf the saying "Liar, Liar your pants on fire" were true
Mainstream news might be fun to watch
Re: 6.5 Creedmore on a long action??? [Re: scdogman] #6887781 09/15/17 01:11 AM
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It will work great on a long action. You can shoot the really long bullets like Lapua Scenars, and seat them as long as you need. And as the throat erodes, you'll have plenty of magazine length to chase the lands. It's actually a great setup.


Originally Posted by KRoyal
Haha yea I polished that thing for hours.
Re: 6.5 Creedmore on a long action??? [Re: kmon11] #6887822 09/15/17 01:42 AM
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Originally Posted By: kmon1
I do like my long action 6.5-284


^^Might as well build that.

Iffin you have a long action available, and want a hot rod 6.5mm


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Re: 6.5 Creedmore on a long action??? [Re: scdogman] #6887835 09/15/17 01:55 AM
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Originally Posted By: scdogman
Any problems with building a 6.5 creedmoor on a long action?





You'll be fine. 6.5C has similar dimensions to its 308 parent case. Before the short action became so popular, the 308 used to be chambered in long action with no issues.

Last edited by Kevin1; 09/15/17 01:57 AM.
Re: 6.5 Creedmore on a long action??? [Re: scdogman] #6887853 09/15/17 02:19 AM
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ITRDM is right. My first Creed was in a long action Savage with a McGowan 26" bbl. I got easily 4k rounds out of it and it was still shooting under half moa when I sold the bbl.

6.5-284 I can appreciate for the extra 200-300 fps, but the bbl life is cut by 2/3rds. And it can be run in a short action as well being that it was designed as a short action cartridge.

Dont worry about a creed in a long action is what I am getting at. It works. And it works to your advantage when trying to get the most out of your barrel.



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Re: 6.5 Creedmore on a long action??? [Re: scdogman] #6887859 09/15/17 02:27 AM
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No issues here, make sure you have the right bolt.

Re: 6.5 Creedmore on a long action??? [Re: scdogman] #6887863 09/15/17 02:30 AM
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Bolt face is standard. Same as 308, 3006, 270, etc. .473


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Re: 6.5 Creedmore on a long action??? [Re: scdogman] #6888004 09/15/17 04:35 AM
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One of the primary design concepts behind the 6.5 CM was the ability to seat the bullets out and still fit in a short action. I smell what you're stepping in, but I don't think you'd gain much on a long action with that cartridge. IMO, if you were dead set on a true short action cartridge in a long action, I feel you'd be better off with something in the 308 family. Namely 7-08 or 260. Reason being, that case design isn't conducive to taking full advantage of the long, high BC bullets on the market today. The 308 family of cases has the capacity, literally, to hold more powder than the CM. The limiting factor between that and the CM, and the reason they're close in performance (CM and 260) is the fact that the 260 has to fit in a short action magazine. Longer brass and a shorter neck equates to more bullet intrusion into the case, eating up valuable capacity and raising pressures. I'm not including the 6.5x284 or 284 Win here, simply because I believe you're handicapping either of these cartridges significantly with anything other than a long action. Again, my opinion, so take it for what you paid for it.

Re: 6.5 Creedmore on a long action??? [Re: scdogman] #6888007 09/15/17 04:44 AM
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My guess would be Scdogman has a long action donor action and is thinking about a Creedmoor, perhaps for the lady I see with him most of the time we talk. Of course I could be wrong


lf the saying "Liar, Liar your pants on fire" were true
Mainstream news might be fun to watch
Re: 6.5 Creedmore on a long action??? [Re: kmon11] #6888015 09/15/17 05:00 AM
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Originally Posted By: kmon1
My guess would be Scdogman has a long action donor action and is thinking about a Creedmoor, perhaps for the lady I see with him most of the time we talk. Of course I could be wrong


Understood. If that's the case, then yes, functionally you should be fine.

Re: 6.5 Creedmore on a long action??? [Re: scdogman] #6888016 09/15/17 05:02 AM
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Almost Kmon1

It's for the daughter not the wife. She has taken an interest in shooting. Sold her bow to build a rifle. I saw a used savage 110 with accutigger for 250 and a used savage 10 same trigger for about 400. I couldn't get the savage 10 for 250 so I bought the long action 110. The 150 more is 1/2 of a new barrel.

I'll buy a barrel and put it on in the living room and see what she does.

Re: 6.5 Creedmore on a long action??? [Re: cblackall] #6888021 09/15/17 06:13 AM
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Originally Posted By: cblackall
One of the primary design concepts behind the 6.5 CM was the ability to seat the bullets out and still fit in a short action. I smell what you're stepping in, but I don't think you'd gain much on a long action with that cartridge. IMO, if you were dead set on a true short action cartridge in a long action, I feel you'd be better off with something in the 308 family. Namely 7-08 or 260. Reason being, that case design isn't conducive to taking full advantage of the long, high BC bullets on the market today. The 308 family of cases has the capacity, literally, to hold more powder than the CM. The limiting factor between that and the CM, and the reason they're close in performance (CM and 260) is the fact that the 260 has to fit in a short action magazine. Longer brass and a shorter neck equates to more bullet intrusion into the case, eating up valuable capacity and raising pressures. I'm not including the 6.5x284 or 284 Win here, simply because I believe you're handicapping either of these cartridges significantly with anything other than a long action. Again, my opinion, so take it for what you paid for it.


I can agree with most of what you said. I cant agree with this statement "I feel you'd be better off with something in the 308 family. Namely 7-08 or 260. Reason being, that case design isn't conducive to taking full advantage of the long, high BC bullets on the market today. The 308 family of cases has the capacity, literally, to hold more powder than the CM."

This makes me question if you have ever reloaded either round. The 6.5 creed and 260 are damned near identical. Both rounds are SAAMI specd' to the same OAL.

The 260 case is slightly longer, yes, but the shoulder is completely different and the 308 case is no where near as efficient. Regardless, either/both would benefit from being fired out of a long action over a short action.


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Re: 6.5 Creedmore on a long action??? [Re: scdogman] #6888120 09/15/17 12:50 PM
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In a long action, I'd go with the 260 instead of the 6.5C.
They both shoot the same bullets. You can typically get +50 fps out of the 260 and in a long action you don't risk to have rounds that are too long to fit in the mag.

Re: 6.5 Creedmore on a long action??? [Re: CharlieSierraDelta] #6889300 09/16/17 08:53 PM
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Originally Posted By: CharlieSierraDelta
Originally Posted By: cblackall
One of the primary design concepts behind the 6.5 CM was the ability to seat the bullets out and still fit in a short action. I smell what you're stepping in, but I don't think you'd gain much on a long action with that cartridge. IMO, if you were dead set on a true short action cartridge in a long action, I feel you'd be better off with something in the 308 family. Namely 7-08 or 260. Reason being, that case design isn't conducive to taking full advantage of the long, high BC bullets on the market today. The 308 family of cases has the capacity, literally, to hold more powder than the CM. The limiting factor between that and the CM, and the reason they're close in performance (CM and 260) is the fact that the 260 has to fit in a short action magazine. Longer brass and a shorter neck equates to more bullet intrusion into the case, eating up valuable capacity and raising pressures. I'm not including the 6.5x284 or 284 Win here, simply because I believe you're handicapping either of these cartridges significantly with anything other than a long action. Again, my opinion, so take it for what you paid for it.


I can agree with most of what you said. I cant agree with this statement "I feel you'd be better off with something in the 308 family. Namely 7-08 or 260. Reason being, that case design isn't conducive to taking full advantage of the long, high BC bullets on the market today. The 308 family of cases has the capacity, literally, to hold more powder than the CM."

This makes me question if you have ever reloaded either round. The 6.5 creed and 260 are damned near identical. Both rounds are SAAMI specd' to the same OAL.


CSD, you listening? I'm going to show you how ignorant you truly are. cblackall is one of the guys who works for me. So yes, he's loaded plenty of 6.5 CM and 260 ammo, and probably more ammo than you have ever loaded. And he's spot on with his comments.

The main issue with a 260 Rem is fitting the high BC bullets close enough to the lands and still fit in a short action magazine. To seat a VLD bullet in a 260 Rem and seat it touching the lands puts the total length about 2.860-2.900". This length is more than what short action mags can fit, unmodified. If you put this round in a long action, it solves the magazine issue, with room to spare, allowing the bullet to be seated touching the lands in a long action. Same with a 7-08 and the 162/168+ grain bullets.

The 6.5 CM solved the issues with the 260 by pushing the shoulder back further than the 260 Rem. It allows the high BC bullets to be seated much closer to the lands and still fit in a short action.

CSD, you still post uncalled for comments around at others who are in much more of the know than you think, just like in your drunken postings of previous. Now, go shoot some more steel at 15 yards! It may do you good next time!



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Re: 6.5 Creedmore on a long action??? [Re: scdogman] #6889309 09/16/17 09:00 PM
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Originally Posted By: scdogman
Any problems with building a 6.5 creedmoor on a long action?


To answer your question, no, there is no problem building a CM on a long action. If you only want the CM performance, it will do just fine. If you want something with a little more power, you could easily step up to a 6.5-06, 6.5x284, or similar round that will take advantage of the long action. Even the Army builds their 308 Win rifles on a long action.


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Re: 6.5 Creedmore on a long action??? [Re: ChadTRG42] #6889607 09/17/17 05:18 AM
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Originally Posted By: ChadTRG42
Originally Posted By: CharlieSierraDelta
Originally Posted By: cblackall
One of the primary design concepts behind the 6.5 CM was the ability to seat the bullets out and still fit in a short action. I smell what you're stepping in, but I don't think you'd gain much on a long action with that cartridge. IMO, if you were dead set on a true short action cartridge in a long action, I feel you'd be better off with something in the 308 family. Namely 7-08 or 260. Reason being, that case design isn't conducive to taking full advantage of the long, high BC bullets on the market today. The 308 family of cases has the capacity, literally, to hold more powder than the CM. The limiting factor between that and the CM, and the reason they're close in performance (CM and 260) is the fact that the 260 has to fit in a short action magazine. Longer brass and a shorter neck equates to more bullet intrusion into the case, eating up valuable capacity and raising pressures. I'm not including the 6.5x284 or 284 Win here, simply because I believe you're handicapping either of these cartridges significantly with anything other than a long action. Again, my opinion, so take it for what you paid for it.


I can agree with most of what you said. I cant agree with this statement "I feel you'd be better off with something in the 308 family. Namely 7-08 or 260. Reason being, that case design isn't conducive to taking full advantage of the long, high BC bullets on the market today. The 308 family of cases has the capacity, literally, to hold more powder than the CM."

This makes me question if you have ever reloaded either round. The 6.5 creed and 260 are damned near identical. Both rounds are SAAMI specd' to the same OAL.


CSD, you listening? I'm going to show you how ignorant you truly are. cblackall is one of the guys who works for me. So yes, he's loaded plenty of 6.5 CM and 260 ammo, and probably more ammo than you have ever loaded. And he's spot on with his comments.

The main issue with a 260 Rem is fitting the high BC bullets close enough to the lands and still fit in a short action magazine. To seat a VLD bullet in a 260 Rem and seat it touching the lands puts the total length about 2.860-2.900". This length is more than what short action mags can fit, unmodified. If you put this round in a long action, it solves the magazine issue, with room to spare, allowing the bullet to be seated touching the lands in a long action. Same with a 7-08 and the 162/168+ grain bullets.

The 6.5 CM solved the issues with the 260 by pushing the shoulder back further than the 260 Rem. It allows the high BC bullets to be seated much closer to the lands and still fit in a short action.

CSD, you still post uncalled for comments around at others who are in much more of the know than you think, just like in your drunken postings of previous. Now, go shoot some more steel at 15 yards! It may do you good next time!



Sigh, I've been on call for 3 days straight. I'll address this on Monday evening when I get off, if I still care to. Maybe there is a more appropriate forum.


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Re: 6.5 Creedmore on a long action??? [Re: scdogman] #6891536 09/19/17 01:29 AM
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Thanks for all the info. I will build the 6.5 creedmoor or the 6.5-2.84. Barrel life has my leaning to the 6.5.

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