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Should I stay with 6mm-06AI?

 
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  #1  
Old 01-06-2010, 06:26 PM
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Should I stay with 6mm-06AI?

I ordered a custom 28" SS 6mm-06AI 1-12 twist from Match Grade Machinery Inc. for my T/C Encore.

I haven't been able to find much info on the round and I have a little time before they start building it. Does anyone have any suggestions about whether to stay with it or switch to a caliber with more data available? Like 6.5-06AI or 6-284AI or something like that. I like the speed and the availability of brass for the 6mm-06AI.

Tom
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Old 01-06-2010, 08:03 PM
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Re: Should I stay with 6mm-06AI?

I like the caliber but not the choice in twist. The 1-12 limits the potential of the cartrage. I have a 243-06 with a 1-10 and wish it was a 1-9.
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Old 01-06-2010, 09:03 PM
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Re: Should I stay with 6mm-06AI?

Thanks, I can still change it, can you articulate the advantages to a 10 twist in this caliber? I thought I would be using 70-87gr bullets mostly. I could go heavier on the bullets and faster on the twist though. Let me know if you think I would benefit from a faster twist on this barrel. Thanks

Tom
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Old 01-06-2010, 10:05 PM
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Re: Should I stay with 6mm-06AI?

I think you would be better off with the 1-9 it won't restrict you to shooting the light bullets. I reccommend the 95 grain Berger VLD. I get a little over 3500fps out of these they are great for everything, punching holes in paper, varmits, and deer. When I have to put a new barrel on mine it will surely be a 1-9.
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Old 01-06-2010, 11:57 PM
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Re: Should I stay with 6mm-06AI?

Sniperjwt,
Thanks, your advice makes sense to me. I'll call and make the change tomorrow. Are you shooting a 6mm-06AI? I'm also wondering what to form my cases out of. 25-06 or 270 cases? Loads and stuff like that. Up to now, my wildcat experience has only been 7-30 Waters. lol I've been loading standard calibers since 1990 and never anything like this.

Thanks!

Tom
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Old 01-07-2010, 12:00 AM
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Re: Should I stay with 6mm-06AI?

Sniperjwt, what's the difference if any between 6mm-06 and 243-06?
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Old 01-07-2010, 10:28 AM
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Re: Should I stay with 6mm-06AI?

well i have spent the last hour trying to find what the difference of your 6mm-06AI and my 243 Super Rock Chucker (thats actually what mine is called) but i am unable to do so. I just tell people its a 243-06 because its more descriptive than a 243 SRC. I found the demintions for the 6mm-06AI on ammoguide but cant find any for the 243 SRC anywhere. From what i can tell by looking at what i found on ammoguide and from measuring one of my 243 SRC cases the only real difference is the sholder angle the 243 SRC has a 30degree shoulder and the 6mm-06AI has a 40 degree angle which means you will be able to get a little more speed out of yours.

As far as cases goes i would use the 25-06 there will be less that has to be formed. You will have to fireform to get your steep sholder angle which just means you will have to load some up and shoot them and dont worry about where they go. Once you pull it out you will be able to tell a difference in the sholder angle. Now your ready to load. Find some cheep bullets to use to fireform so you dont use up all your good ones. I already gave you my reccomendation for bullet now i will reccomend that you try Reloader 17 for your powder. I just did some testing with this powder and the results were impressive. Its about the same burnrate as the H4350 but you will get more speed with the same amount of powder and pressure. I was using a 87 grain VMax and getting 3400fps with 51grains of H4350. Chronoed a 95 Berger at 3535FPS with 51.8 grains of RL17. A heavyer bullet and more FPS and i know the .8 grains aint gonna make that much difference. As far as loads go with the RL 17 i would start with 48grains and work up from there to be safe. If you got any other questions ill PM you my email address so you can ask.

Sniperjwt
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