6XC differences
- Thread starter SeabeeKen
- Start date
Hengehold
Silver $$ Contributor
Is the Wilson die supposed to be compatible with all brands of 22-250 brass?
urbanrifleman
Site $$ Sponsor
The die is cut for a Tubb 6xc.
urbanrifleman
Site $$ Sponsor
Two different cartridges. They are not interchangeable.
Tubb really got screwed by the people that created all the confusion. It was not him. People have since fixed the problem by adding 6xc TUBB to the designation. Not a problem any more...
Lone Hunter
Silver $$ Contributor
I use a 6XC Criterion barrel 1-7 twist 28” length. Shoots very well. I run 105 Berger Hybrids and 115 Berger VLD’s. I hunt with 115 Berger VLD Hunting with a 1-7.5 twist 24” barrel. Haven’t shot anything but paper and really like the cartridge. I use Redding Type S dies and Peterson 6XC Brass. I have LRP and SRP Brass and like both equally. Haven’t had any problems cycling or resizing the brass in either rifle. Again, this is with Redding Type S dies.
W
What does your loaded neck diameter measure with the Peterson brass? Thanks!
urbanrifleman
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The bushing I use is 269. Loaded round is 272
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Any chamber with brass out of spec will create problems, get the right stuff and it runs slick. I have a criterion prefit 6xc and a barrel cut with a 6xcII reamer. Both work fine. I haven't traded brass between the 2 but I use a forster 6xc sizer die and it works fine for both.
The 6xcII is meant to accommodate any brass and works with 22-250 brass and the peterson I bought from Tubb. It might be a solution looking for problem but it works great. The theory behind the 6xcII was that the base some of the early 6xc brass had a case head the size of a 308 and not 22-250 and was tight in smaller chambers.
There is less variance in everything related to the 6 creedmoor because it was standardized from the word go. Probably simpler to do 6 creed but I like the XCs longer neck.
A 240NMC is a sweet cartridge just like the 6-250, 6mm international, etc. Take your pick and don't sweat it.
The 6xcII is meant to accommodate any brass and works with 22-250 brass and the peterson I bought from Tubb. It might be a solution looking for problem but it works great. The theory behind the 6xcII was that the base some of the early 6xc brass had a case head the size of a 308 and not 22-250 and was tight in smaller chambers.
There is less variance in everything related to the 6 creedmoor because it was standardized from the word go. Probably simpler to do 6 creed but I like the XCs longer neck.
A 240NMC is a sweet cartridge just like the 6-250, 6mm international, etc. Take your pick and don't sweat it.
Lone Hunter
Silver $$ Contributor
What Urban said. .272 loaded using .269 bushing. Shoots really good both of them.
That sounds good then. I was a little confused when someone above said to order a .278 necked barrel, I thought maybe the Peterson brass was coming out with a loaded neck at .275 or something.
Like @urbanrifleman said.....
For three barrels I have used a Tubb reamer, a Tubb die, and Tubb spec'd brass. Specifically I've been using Peterson both Large Rifle and Small Rifle Primer brass. The small rifle primer brass is amazing. Just like the guys at Peterson told me, for the same load the velocity will be slightly lower, but the SD's don't get out of the single digits.
Running either H100V or StaBall6.5 under a Barnes 112gr Match Burner I did not see any signs of pressure on the SRP brass. I backed the load down to what I would call a more reasonable velocity (to save on barrel wear and tear). I have been using the SRP brass for my long line/slow fire ammo. And I have been using the LRP brass for 200/300 slow and rapid stages and practice. I've got a couple lots of this Peterson that has I believe 8 loadings and it is still good to go. That particular brass has been used in each of my three barrels.
I saw some mention of the 6mm Creedmore. I have not played with on of these, so I can't offer insight to that. I will say that Tubb specifically mentions the case/chamber/die design will allow for easy extraction. Across three different actions and comparing three 6XC-Tubb chambers to two 6mm Comp Match chambers....the 6XC pulls out of the chamber like it's spring loaded compared to the 6 Comp Match.
Now the real question you should be asking yourself is....Will a 6BRA do what I need? Because I've been really amazed at the velocities I'm getting out of mine....with 10gr less powder than my 6XC.
Good Luck,
Ross
For three barrels I have used a Tubb reamer, a Tubb die, and Tubb spec'd brass. Specifically I've been using Peterson both Large Rifle and Small Rifle Primer brass. The small rifle primer brass is amazing. Just like the guys at Peterson told me, for the same load the velocity will be slightly lower, but the SD's don't get out of the single digits.
Running either H100V or StaBall6.5 under a Barnes 112gr Match Burner I did not see any signs of pressure on the SRP brass. I backed the load down to what I would call a more reasonable velocity (to save on barrel wear and tear). I have been using the SRP brass for my long line/slow fire ammo. And I have been using the LRP brass for 200/300 slow and rapid stages and practice. I've got a couple lots of this Peterson that has I believe 8 loadings and it is still good to go. That particular brass has been used in each of my three barrels.
I saw some mention of the 6mm Creedmore. I have not played with on of these, so I can't offer insight to that. I will say that Tubb specifically mentions the case/chamber/die design will allow for easy extraction. Across three different actions and comparing three 6XC-Tubb chambers to two 6mm Comp Match chambers....the 6XC pulls out of the chamber like it's spring loaded compared to the 6 Comp Match.
Now the real question you should be asking yourself is....Will a 6BRA do what I need? Because I've been really amazed at the velocities I'm getting out of mine....with 10gr less powder than my 6XC.
Good Luck,
Ross
There absolutely has been much confusion over the Years! You are probably to young to have been around. Tubb's has been done a huge disservice by the Tubb's 11 version and not much clarification either way. I passed on this chambering several years ago for this exact reason. Thankfully there is some clarification now straight from David. A die made from tool steel should be head and shoulders over a conventional die. Alas, to little to late. Still a great round.
Paul
urbanrifleman
Site $$ Sponsor
From my experience, people are obsessed with tight necks. I guess they think they will shoot better.
urbanrifleman
Site $$ Sponsor
I try to get people into the 6bra if they are shooting single shot. For a repeater I say 6xc. That's what it was designed for...
I'm running an American Rifle Company Archimedes action with ARC mags with BR mag kits.....I've only put a few hundred rounds through the barrel, but I've had no issues with the BRA....but I agree with you, that's what the 6XC was made for.
No thank you. I have plenty of Peterson brass
Next project, a 244 Rem Ackley Imp based on an old Ruger 77 action
AckleymanII
Gold $$ Contributor
I put 900 rounds on 30 cases formed from Lapua 308 Palma brass. ON a 31", 8T barrel with a Mike Ezel tuner, Rem 7 1/2, 107g sierra, I had nodes at 3050 fps and 3150 fps that shot bug holes with H4350. Then I started shooting R#17, and found a node at 3250 fps. At 3250, I put 400 rounds on the same 30 pieces of brass. I started loosing primer pockets after many firings(12+) with the 3250 fps load, 900 rounds on the barrel at this point. The barrel had started to get some very minor fire cracking with the R#17. 13 of those original 30 pieces of brass are still being used.
The combo above with the Ezel tuner, was my first experience using a tuner, and there is not much rocket science to using a tuner.
I have had at least a dozen, if not more, custom BR rifles in 6 PPC. Not one of those 6PPC BR rifles ever shot as well as this 6 XC with the Ezell Tuner.
My reamer is a PTG, my dies are Whidden...stuff just worked. I used a set of Paul Bike form dies.
I was very shocked at how accurate the 6 XC combo is. I thought I would do an experiment to see how much the quality of the brass weighs in the Accuracy equation. I formed brass from PMC 308 Win brass, Lake City(same year), and a real wild card, Chinese 308 machine gun brass that is once fired.
All brass shot very, very well, and I did not see flyers like I was expecting. The Chinese machine gun brass lost primer pockets in two firings. I put 9 firings on the PMC and LC brass at the node at 3150, and got bored with the project, with the primer pockets still tight.
Groups in the very, very low 2's are the norm with the PMC and LC brass, and I did cull the LC brass for flash holes that are off center. Of course, all brass is neck turned.
Here are a few pics working up loads for the LC brass. Of course, you have to tune loads for a particular brand of brass, plus going from a small primer to a large primer.
The combo above with the Ezel tuner, was my first experience using a tuner, and there is not much rocket science to using a tuner.
I have had at least a dozen, if not more, custom BR rifles in 6 PPC. Not one of those 6PPC BR rifles ever shot as well as this 6 XC with the Ezell Tuner.
My reamer is a PTG, my dies are Whidden...stuff just worked. I used a set of Paul Bike form dies.
I was very shocked at how accurate the 6 XC combo is. I thought I would do an experiment to see how much the quality of the brass weighs in the Accuracy equation. I formed brass from PMC 308 Win brass, Lake City(same year), and a real wild card, Chinese 308 machine gun brass that is once fired.
All brass shot very, very well, and I did not see flyers like I was expecting. The Chinese machine gun brass lost primer pockets in two firings. I put 9 firings on the PMC and LC brass at the node at 3150, and got bored with the project, with the primer pockets still tight.
Groups in the very, very low 2's are the norm with the PMC and LC brass, and I did cull the LC brass for flash holes that are off center. Of course, all brass is neck turned.
Here are a few pics working up loads for the LC brass. Of course, you have to tune loads for a particular brand of brass, plus going from a small primer to a large primer.
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