bdyal1972
Well-Known Member
6.5 06 AI
YEEHAWWWWW
HAD ONE WITH A 28" KRIEGER
SHOT FASTER THAN MY 26" 264!!!!
LOVED THAT RIFLE
INSTANT DEATH ON BLACKTAILS OUT TO OVER 600YDS WITH BARNES BULLETS 20+ YEARS AGO
WAS AWESOME, LOVED MULTIPLE POWDERS.....
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25-06 to 264 win mag
- Thread starter Deahl
- Start date
Help Support Long Range Hunting Forum
6.5 06 AI
YEEHAWWWWW
HAD ONE WITH A 28" KRIEGER
SHOT FASTER THAN MY 26" 264!!!!
LOVED THAT RIFLE
INSTANT DEATH ON BLACKTAILS OUT TO OVER 600YDS WITH BARNES BULLETS 20+ YEARS AGO
WAS AWESOME, LOVED MULTIPLE POWDERS.....
bdyal1972
Well-Known Member
I have built 5 or 6 1/2 moa rugers with factory barrels set back 1/4" to 1" and new crowns,, rechambered long throats for longer bullets, muzzle breaks and polishing trigger surfaces and new springs....
Also rings with shoulder and no bases is BRILLIANT!!!
NOT TO MENTION STOCKS THAT CLEAN UP WELL AND LOOK BEAUTIFUL SANDED, BURNT, LINSEED OIL.....
I concur, The most underrated Rifle of all time IMHO
bdyal1972
Well-Known Member
Hugnot
Well-Known Member
I have mixed views on some of the Ruger M77, MKII rifle features.
The integral cast into place scope mounting system is just about perfect for a hunting rifle - I would guess this saves money over drilling & tapping.
I have 10 Ruger 77 MKII's and 1 push feed M77 (plunger type ejector). For any long range shooting I use 30mm tube scopes. Using 2 scopes, a 6.5-20X50 VX3, 30mm and a 4.5-14X40 VX3, 1 inch. I can hit at 880 (1/2 section) with both of my .22-250's (75 ELDM @3200, same size barrels, same reamer, same ammo) using either 30 mm or 1 inch scope on one rifle but the other 22-250 needs the 30mm scope. There is some incentive to get that rifle drilled & tapped for a 20 MOA base. If I had a Rem 700 I could just screw down a Picatinny base & use Burris Sig Zee rings, (+20 low back) or some 20 MOA base.
Of interest Ruger is now making their long range tac(?) rifle with a drilled & tapped receiver (8-40's ?). Burris would please me by making some type of Sig ring for MKII's
All my Ruger M77's have squared up receiver rings to make for a 90 * fit with the barrel axis. Bolt lugs are lapped in.
My final aggravation is the diagonal bedding system - restocking the MKII usually requires some fussing to get the floor plate to fit well. A one piece investment cast bottom metal having simple up/down screws, would make me happy.
I can restock a Rem 700 in half the time it takes to stock a R MKII. But generally go for the Ruger because they are tough, simple, controlled feed, non-rotating extractor, and easy to re-barrel.
The common 6.5-.284 would probably work, same size .473, with at new magnum size magazine box and magnum follower. By "work" this means positive & reliable feeding; it has a better track record for long range competition.
The integral cast into place scope mounting system is just about perfect for a hunting rifle - I would guess this saves money over drilling & tapping.
I have 10 Ruger 77 MKII's and 1 push feed M77 (plunger type ejector). For any long range shooting I use 30mm tube scopes. Using 2 scopes, a 6.5-20X50 VX3, 30mm and a 4.5-14X40 VX3, 1 inch. I can hit at 880 (1/2 section) with both of my .22-250's (75 ELDM @3200, same size barrels, same reamer, same ammo) using either 30 mm or 1 inch scope on one rifle but the other 22-250 needs the 30mm scope. There is some incentive to get that rifle drilled & tapped for a 20 MOA base. If I had a Rem 700 I could just screw down a Picatinny base & use Burris Sig Zee rings, (+20 low back) or some 20 MOA base.
Of interest Ruger is now making their long range tac(?) rifle with a drilled & tapped receiver (8-40's ?). Burris would please me by making some type of Sig ring for MKII's
All my Ruger M77's have squared up receiver rings to make for a 90 * fit with the barrel axis. Bolt lugs are lapped in.
My final aggravation is the diagonal bedding system - restocking the MKII usually requires some fussing to get the floor plate to fit well. A one piece investment cast bottom metal having simple up/down screws, would make me happy.
I can restock a Rem 700 in half the time it takes to stock a R MKII. But generally go for the Ruger because they are tough, simple, controlled feed, non-rotating extractor, and easy to re-barrel.
The common 6.5-.284 would probably work, same size .473, with at new magnum size magazine box and magnum follower. By "work" this means positive & reliable feeding; it has a better track record for long range competition.
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65WSM
Well-Known Member
I would question the value of the .264 Win Mag case unless you are going to shoot 150-160gr bullets with Reloader 33 or VV N-570. Then you are going to have to deep seat those long bullets in your standard length action. How much barrel are you intending to burn powder in? The 6.5-06 Ackley also has deep seating issues in the 3.40 OAL of the .25-06 length action. I went to 130gr Bergers and 130 Accubonds (not long range) with my 6.5-06 Ackley. It will shoot all the Reloader 26 that I can burn in the 26 inch barrel and it is as fast as many larger cases (I own three WSMs and have had two .264 Win Mags) that are hard to fill the space. My 6.5-06 AI in photo. It is on a "Columbia" Model 70 with a Timney trigger. Nitrocarburized barrel. HBN coated bullets.
Attachments
Hugnot
Well-Known Member
I might add that I like the 6.5-300 WSM and have plans to re-barrel a .300 WM to 6.5-.300WSM for 140's. Bolt face is already opened up. I will include a dummy round with the rifle for the re-barrel job. I would guess the 6.5-.300 WSM case capacity is 90% - 95% of a .264 WM. My go to bullet for my 8 twist 6.5-06 is the 140 Barnes Match Burner with a modest MV of 2850-2900 fps.
53 grains of H1000 fits inside the case well (room to spare) and heel of boat tail & bullet body is about .010 above junction of neck & shoulder. Round barely fits inside (not as pointy as Berger VLD 140's) 3.44 inch magazine and almost touches lands. Good cheap shooting! Shoots 120 ELDM's at about 3150 using RL23. Barnes MB looks more pointy than I thought and I can get them at .25 per bullet.
I turn necks down to .288 - this is important when reforming .30-06 brass. I use a .270 F/L die without decap pin & expander as a body die.
53 grains of H1000 fits inside the case well (room to spare) and heel of boat tail & bullet body is about .010 above junction of neck & shoulder. Round barely fits inside (not as pointy as Berger VLD 140's) 3.44 inch magazine and almost touches lands. Good cheap shooting! Shoots 120 ELDM's at about 3150 using RL23. Barnes MB looks more pointy than I thought and I can get them at .25 per bullet.
I turn necks down to .288 - this is important when reforming .30-06 brass. I use a .270 F/L die without decap pin & expander as a body die.
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sierracharlie338
Well-Known Member
I'd bypass the 264wm and added expense of opening the bolt face etc and go with the 6.5x284. It's an animal hammer and can nearly run with the 264wm.
Otherwise I vote a 25 cal 7 twist barrel and some heavies!
Otherwise I vote a 25 cal 7 twist barrel and some heavies!
Like ButterBean said stick with the quarter bore, but he neglected to suggest the 25:06AI like he just completed, or go the whole way with a 25 Gibbs. It's a screamer. And I must add, it's a Ruger. One of several I own that all shoot under 1moa.
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I must admit that I just rebarreled one of my 25:06's and went with the 6.5x284. But I wouldn't trade my 25:06AI for anything. It's just too flat out accurate. .6 moa when I do my part.
Ross1147
Well-Known Member
I'm in the beginning process of rebarreling my Ruger M77 Mkii (late 90s model). Initially I was thinking 25-06AI with a 10 twist, but decided to go another route. I currently have a 25 SST being built at my smiths right now with a 7 twist Bartlien carbon fiber so I'll have the quarter bore still covered. I'm really leaning towards a 280ai? Just bought a 7mm barrel off this site and probably going to send it in to be cambered in the 280ai. I was leaning towards a 7RPM or a 280 Sherman, but I'm getting a little tired of the wildcat overhead cost (already running a 6.5-06AI, 270 SS, 6 Dasher, and soon to be 25 SST). I also don't own any .284cal rifles, besides my wife's 7mm-08, so I need one??
Hugnot
Well-Known Member
Sounds good. Chamber pressures must be 70K plus
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sierracharlie338
Well-Known Member
Based on this I'd go 280AI since you are building a new caliber and not AI-ing something you already have. The cost would be no different than any other caliber you don't own already. Same brass, same bullets, new dies etc. unless you just plan on shooting only factory ammo I'd go 280AI personally.
Prairie
Well-Known Member
Hmmmmm!! Don't know about that!!!
