| peter |
| (removed) |
| 13/04/09 03:45 AM |
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Re: 10,75x68 Mauser
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Quote:
Peter I was not talking about Rigby loading as much as looking at what factory cartridges were doing in my rifle. I had origional Kynoch and RWS cartridges( still have some of the Kynoch left but I except the RWS as a modern loading ) that I shot for comparative testing when i was developing loads and the Kynoch ran at 2192 and the RWS ran at 2315and even if we only look at the Kynch load it is still a bit above the 1950fps that Grandveneur quotes for the RWS load. I agree that modern powders and bullets give some of our older cartridges a performance increase but I would still hesitate to recomend the 10.75x68 to be used where one might have comfortably used a 404 Jeffery except in ideal circumstances and that is not always the case is it.
As regards the 30-06 with the light magnum loading and it bridging toward the 300 mag would it not hold true that the same technology and subsequent powder developement take the 300 Mag that much further ahead and maintain the performance disparity. This takes nothing away from the developement of better performance capability for the 10.75x68 and I would be interested, as I am sure will others,to see the data that you have for these new loads.
Von Gruff
im not my usual kind and gentle self today(hung over), so i will try to keep it short and not to abusive.
Gruff:
when you are talking about a 404J at 2315 fps you are talking about 416 rigby territory, yes RWS is known to hotrod loadings in a safe and good way but that does in no way reflect the original loading.
IF you got 2192 fps out a old kynoch loading then i suspect that you have a very long barrel, because kynoch only achived that old velocity(2150 fps) by using a 30" test barrel...
the 10,75x68 were only lacking 200 fps behind the 404 J in their ORIGINAL LOADINGS which is easyly done with todays powders. the one load i know works consists of rl-15 and fluff same load as for the 404J except less fluff, the load works nicely but do it at your discrestion.
the biggest problem the 10,75x68 had were lousy bullets with the jacket to thin so it broke to easy but that were its only problem.
grandveneur:
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I have one and i shot 3 buffalo's with it! The story we know, in the French colonies we used it a long time, and today sometime again! To duplicate the 404 Jeffery, forget! Do you hunt with it?
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Please, give me this modern load's to duplicate the 404 Jeffery! I want to push a bullet of 400gr. diameter .423/10,75mm FMJ ( the next problem! ) at 2400 fps! With a right 10,75x68 it's impossible to use 404 bullet's!
apparently you are reading impaired, it might come from the frequent firing of your 460 weatherby.
NOW please go back read and UNDERSTAND that the load we were talking about were the original load for a 400 grains bullet at 2150 fps. i have understood that you like it to go faster so stick with the weatherby's and be done with it, no shame in that it will be your choise.
i might have been here to long but it goes without saying that you use bullets that fit your barrel, we have many exellent makers of bullets and some special makers too, do a search.
you all have a nice day
peter