If you're using the top end on bullet weights 140+ then the shorter cases would suit those without deep seating. Going 135-, then 260rem is the answer when 2.800" restriction without changing bolts for a short mag. Improved or not is the option.
Soliciting Suggestions for a 6.5mm Build
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Rflshootr
Well-Known Member
I guess the unanswered question is what do you want this rifle to do? A deer rifle? A varmint rifle? A paper puncher? All of the above? Does it have to be super fast or average velocity wise? What kind of accuracy would you want/expect?
I think you might have answered your query. Limiting yourself to 120-130grainers with the .260 AI, 6.5 Grendel (COAL max = 2.260") might be another consideration. However, as @Rflshootr noted, it depends on your intended purpose. Good luck!
Rick Richard
Well-Known Member
Love my 6.5X47. It shoots unbelievable with either the 130 or 140 Berger's. Also, shoots the 110 HH in one ragged hole. It is my fun gun at the range and deer size hunting rifle. Did I mention easy on the shoulder …and barrel too.
mdmiller
Well-Known Member
I have a 22-6mm in 9T. Having load development issues!
If I may ask , what is your barrel twist and loads.??
sable tireur
Well-Known Member
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Sorry, I skated right by this notification...
I also apologize in that I never had any load development problems ever, even switching to a new, faster twist barrel.
My first barrel was a 1:8" twist and I was shooting the amazing 75gr/80 gr. AMAX bullets by Hornady. The barrel is 28" and a full 1.25" diameter straight. My notes tell me it is a Douglas XX barrel which I did all the work on since I was teaching gunsmithing at the time.
The 75/80 AMAX bullets started on Re-25 and I never changed after fine tuning the load. No need to. Well under 1/2 MOA at 600 yards. This is a very nearly full case load and top end pressure as should be expected. That is where the accuracy node is.
My current load is the last Berger bullets I'll buy but these shoot great. The 85.5 gr. are excellent for shooting prairie dogs and longer range targets. I bought a box of 1,000 after testing and that'll be the end. The new barrel is a 1:7.5" twist also 28" long and a 1.25" straight. The only difference is that this one is a Bartlein. However, I find that I can use:
Re-25
VVN-565
H-1000
Ramshot Magnum
All 4 powders deliver fine accuracy in that node.
I forgot the OAL:
75/80 = 1.925 for my magazine fed bolt rifle
85.5 = 3.100" from my Defiance XM and it's magazine.
Enjoy!
I also apologize in that I never had any load development problems ever, even switching to a new, faster twist barrel.
My first barrel was a 1:8" twist and I was shooting the amazing 75gr/80 gr. AMAX bullets by Hornady. The barrel is 28" and a full 1.25" diameter straight. My notes tell me it is a Douglas XX barrel which I did all the work on since I was teaching gunsmithing at the time.
The 75/80 AMAX bullets started on Re-25 and I never changed after fine tuning the load. No need to. Well under 1/2 MOA at 600 yards. This is a very nearly full case load and top end pressure as should be expected. That is where the accuracy node is.
My current load is the last Berger bullets I'll buy but these shoot great. The 85.5 gr. are excellent for shooting prairie dogs and longer range targets. I bought a box of 1,000 after testing and that'll be the end. The new barrel is a 1:7.5" twist also 28" long and a 1.25" straight. The only difference is that this one is a Bartlein. However, I find that I can use:
Re-25
VVN-565
H-1000
Ramshot Magnum
All 4 powders deliver fine accuracy in that node.
I forgot the OAL:
75/80 = 1.925 for my magazine fed bolt rifle
85.5 = 3.100" from my Defiance XM and it's magazine.
Enjoy!
mdmiller
Well-Known Member
Thanks
I should ya got a 8T
I think I will shoot some HH thru it till I get 5k then pull it.
Start over!!
AA4350 with Rem 7 1/2, especially with the 139g Lapua scenar-140 Berger vld Hunting is beyond awesome. 130g Berger VLD-H and 123g Lapua Scenar shoot pencil eraser size groups.
Both my 6.5x47's shoot good. Problem is I can't shoot that good! Sounds like you've got some excellent loads. 130 HVLD and 124 HH is what I'm running.
6.5 Remington Mag 26" inch # 2 barrel. my other pick would be 6.5x55mm Swede or 6.5x57mm, yeah I like to be nostalgic in hunting cartridges. Good luck, Cheers
130g HVLD kills solid on deer and hogs. Penetration is better with the Lapua 123g Scenar, and for short range hogs, never over look the 129g Hornady SP
Rflshootr
Well-Known Member
Would those groups be vertical, horizontal or diagonal?
Just kidding
del2les
Well-Known Member
I like the performance of my 260AI, so I would go with that. I run a 28" tube on mine, so I can reach and break the 3,000fps with 140's. Thus I feel I am performing very well without the need for larger case capacity 6.5's. If I was wanting a shorter barrel and retain the 3,000fps of the 140's, then maybe something else.
Rflshootr
Well-Known Member
Just wondering what your brass life is like with the ackley.
