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338 Sin

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  #64  
Unread 02-05-2011, 07:00 PM
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Location: Kansas
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Re: 338 Sin

The larger diameter of the Norma cartridge will also apply more thrust to the lugs.
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  •   #65  
    Unread 02-05-2011, 10:09 PM
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    Join Date: Oct 2010
    Location: Watertown, SD
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    Re: 338 Sin

    rfurman that is another reason why you don't want to go over the std mag case head.

    I chambered a barrel today and fitted a break. Need to bed the action in the stock, open up the channel for the barrel too. I ordered up the stuff I need to make a hydro form die from mcmaster carr so that should be here in the middle of the week and hopefully we should have a test fire or 20 next weekend.

    I am getting pretty excited. All of the work and money going into this project I hope it runs right along side the norma and Rum for performance.
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      #66  
    Unread 02-05-2011, 10:12 PM
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    Re: 338 Sin

    Did you get the forming issue fixed?
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      #67  
    Unread 02-05-2011, 10:14 PM
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    Re: 338 Sin

    Yes I did, all i needed was 1 form die to get the basic shape and if I want full capacity then I will use the hydro form die. If I get some time I will make a pneumatic press for kicking out shells fast.
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      #68  
    Unread 02-05-2011, 11:15 PM
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    Re: 338 Sin

    Quote:
    Originally Posted by trueblue View Post
    Geargrinder,
    Could you post a pic with those bullets seated showing coal?
    Sure, I'll do it in the morning.

    Just remember, these aren't fire formed yet. The Neck is in the right spot, but the shoulder and case walls still need to be blown out.
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      #69  
    Unread 02-06-2011, 02:34 PM
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    Re: 338 Sin

    Here it is.

    They are all aligned by the tip of the bullet.

    Left to right

    338 Edge- 3.800" - This is my normal Edge length,
    338 Sin- 3.500" -This is what fits in my Savage Centerfeed DBM
    300g SMK
    338RUM- 3.680" - This is what fits in my factory Rem 700 LSS
    338 Sin- 3.500" -This is what fits in my Savage Centerfeed DBM
    225g NAB

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      #70  
    Unread 02-06-2011, 02:57 PM
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    Join Date: Jul 2007
    Location: Lansing, MI
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    Re: 338 Sin

    Quote:
    Originally Posted by geargrinder View Post
    Here it is.

    They are all aligned by the tip of the bullet.

    Left to right

    338 Edge- 3.800" - This is my normal Edge length,
    338 Sin- 3.500" -This is what fits in my Savage Centerfeed DBM
    300g SMK
    338RUM- 3.680" - This is what fits in my factory Rem 700 LSS
    338 Sin- 3.500" -This is what fits in my Savage Centerfeed DBM
    225g NAB

    Very cool indeed. Something tells me I'll be ordering a barrel and dies sometime next fall.

    One question that I had, I know Savage made rifles in RUM cartridges. Any idea what the mag length on them would have been?
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