6x55 A.I. questions

muleystalker-
I think the dasher is a great round for its purposes and appreciate the info. I have decided on the 6mm A.I. I have such a deep nostalgic bond with the 6mm from my youth I can't let it go, and wanting to advance into the wildcat arena with both feet; this seems the right thing to do. Satisfying both areas of my interest at the same time. But thank you for the reference.
 
TG-5150 said:
muleystalker-
I think the dasher is a great round for its purposes and appreciate the info. I have decided on the 6mm A.I. I have such a deep nostalgic bond with the 6mm from my youth I can't let it go, and wanting to advance into the wildcat arena with both feet; this seems the right thing to do. Satisfying both areas of my interest at the same time. But thank you for the reference.
Click to expand...

O.K., now I want a 6mm SST. JEESH, I need a second job. I went to Rich's site and saw he has one of these. Fast lil bugger, but bigger bolt face:mad:
 
ramrod79 said:
So if I'm getting your post right your really looking hard at a LA cartridge you mention 6.5x55 AI or 6mm AI

If your looking at wild cat thats got good performance good barrel life in a long action go with 6.5 Sherman easy to form brass,very good barrel life,and launches a 6.5 140 at 3250+.
Could run 130 at 33-3400
If your looking for a good overall 6.5 that will equal the 6.5x55AI and the 6mm AI without needing to wildcat why not a 6.5 284 it runs on LA as well, and has good brass,easy to load for,and good performance BUT barrel life is a little shorter but if you don't hot rod it would get decent life.
Before I built my 6.5 284 I looked at the 6.5x55AI and decided no gain with it and the pain of fire forming so went with the 65 284 instead. Then I wanted horse power so went with 6.5 Sherman and never looked back.
Click to expand...
TG-5150 said:
O.K., now I want a 6mm SST. JEESH, I need a second job. I went to Rich's site and saw he has one of these. Fast lil bugger, but bigger bolt face:mad:
Click to expand...
I got a brand new carbide reamer in this week!
The 6 sst has fired the 110 Sierra's at nearly 3500'. I ran the numbers at 1000 yards at 3400' and you only need 16 moa and have 1100 ft/lbs.
It will no doubt be harder on barrels at that velocity but.......
I ran reduced loads with H4895 in my 6.5 sst sith 130's with amazing results. I had single digit es and shot a couple .0's with them!
 
elkaholic said:
I got a brand new carbide reamer in this week!
The 6 sst has fired the 110 Sierra's at nearly 3500'. I ran the numbers at 1000 yards at 3400' and you only need 16 moa and have 1100 ft/lbs.
It will no doubt be harder on barrels at that velocity but.......
I ran reduced loads with H4895 in my 6.5 sst sith 130's with amazing results. I had single digit es and shot a couple .0's with them!
Click to expand...
Just so you know, i am trying to find a smith to open up that Ruger Bolt face.
If not i will have to put ip with that slow poke 6mm A.I.
 
TG-5150 said:
Just so you know, i am trying to find a smith to open up that Ruger Bolt face.
If not i will have to put ip with that slow poke 6mm A.I.
Click to expand...

Well "a 75-grain V-Max at a blistering 3860 fps" ain't nothing to sneeze at; 6mm BR.com! I did go on Shermanwildcatcartridges.com and I believe that there is a gunsmith listed on there who may be able to help you out! I've read so much data on gunsmithing tht I cannot remember who provided what anymore. Brown Precision I know does a lot of smithing work, however "they ain't a cheep date"! I am currently looking at Hart barrels to make the build, however have not been able to talk with anyone there at the present time. Good luck with finding a smith to do your work.
 
the 6.5x55 has a case head diameter of .479. the 7x57 has a case head diameter of .473. Rifles have been blown up over that difference.
If you want a 6x55ai based on the 6.5x55, that uses 7x57 brass, then get a 6mm rem AI
 
Riflehunter1776 said:
the 6.5x55 has a case head diameter of .479. the 7x57 has a case head diameter of .473. Rifles have been blown up over that difference.
If you want a 6x55ai based on the 6.5x55, that uses 7x57 brass, then get a 6mm rem AI
Click to expand...
Thats what the 7x57 brass stuff was all about
 
Riflehunter1776 said:
the 6.5x55 has a case head diameter of .479. the 7x57 has a case head diameter of .473. Rifles have been blown up over that difference.
If you want a 6x55ai based on the 6.5x55, that uses 7x57 brass, then get a 6mm rem AI
Click to expand...
With the dimensions that you have written about, that's only .006 thousandths of an inch, meaning only .003 thousandths on a side. Opening up a bolt face .003 thousandths of an inch certainly is not going to make any gun blow up. I'm not a gunsmith, and I don't play one on TV, but that I do know. A bolt theoretically can/will wear that much over time, if it even is machined to that exact measurement.
 
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