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First custom rifle is here and i think its a keeper!!!!!

 
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  #78  
Old 09-18-2013, 12:08 PM
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Re: First custom rifle is here and i think its a keeper!!!!!

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Originally Posted by rtsj View Post
MontanaRifleman..... please tell me more about the 8x68!!! Any pics of the case as well?


Roy
Here ya go.

Norma USA Reloading Brass 8x68S

For actual dimensions log into Ammoguide.

Rich, I'm not sure RWS makes it anymore. I couldn't find anyone selling it, in stock or out of stock. In fact I could hardly fins any RWS rilfe brass anywhere. Midway does not list any.
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  #79  
Old 09-18-2013, 12:17 PM
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Re: First custom rifle is here and i think its a keeper!!!!!

How difficult would it be to neck the 8x68 down to .284?


Roy
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  #80  
Old 09-18-2013, 12:29 PM
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Re: First custom rifle is here and i think its a keeper!!!!!

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Originally Posted by rtsj View Post
How difficult would it be to neck the 8x68 down to .284?


Roy
Not very, you'll probably want to do in several steps with a bushing die. You could get one from Whidden. You might have to do a little turning and reaming when done, but I necked down a 300 Dakota case to 6.5 and it doesn't look like it needs turning to me. But I definitely think reaming them after would be a good idea.
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  #81  
Old 09-18-2013, 12:47 PM
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Re: First custom rifle is here and i think its a keeper!!!!!

The 8x68 has approx. a .299" neck length. If you simply necked it to .284" with no other changes, you might have a little shorter neck than you want. If you changed the shoulder angle to 40 degrees, you would gain some neck length back. The bottom line is, if you didn't get into the case shoulder with the new neck, you shouldn't have to ream but just neck turn......rich
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  #82  
Old 09-18-2013, 12:56 PM
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Re: First custom rifle is here and i think its a keeper!!!!!

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Originally Posted by rtsj View Post
How difficult would it be to neck the 8x68 down to .284?


Roy
This easy.....

Another one of my new designs that's destined to be a masterpiece... I call it, the 7mm Malum.

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The 284 is to the STW what a tricycle is to a Ninja.
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  #83  
Old 09-18-2013, 08:56 PM
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Re: First custom rifle is here and i think its a keeper!!!!!

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Originally Posted by elkaholic View Post
The 8x68 has approx. a .299" neck length. If you simply necked it to .284" with no other changes, you might have a little shorter neck than you want. If you changed the shoulder angle to 40 degrees, you would gain some neck length back. The bottom line is, if you didn't get into the case shoulder with the new neck, you shouldn't have to ream but just neck turn......rich
Rich, According to Ammoguide, the 6x68 has a .328 neck. Necking down will shorten it a bunch if the 15* shoulder is not sharpened.

I suppose if you didn't get any shoulder into the neck, reaming might not be necessary, but I think I might to, to remove any irregularities after sizing down. You know more about it than me.
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  #84  
Old 09-18-2013, 09:05 PM
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Re: First custom rifle is here and i think its a keeper!!!!!

Quote:
Originally Posted by MontanaRifleman View Post
Rich, According to Ammoguide, the 6x68 has a .328 neck. Necking down will shorten it a bunch if the 15* shoulder is not sharpened.

I suppose if you didn't get any shoulder into the neck, reaming might not be necessary, but I think I might to, to remove any irregularities after sizing down. You know more about it than me.
I was reading some really fine metric print! Could have been my eyes, or my metric to std. conversion At any rate, I haven't done the math but I think you would still end up with an acceptable shoulder?.....Rich
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