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8mm brass

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  #1  
Unread 02-11-2014, 06:01 AM
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Join Date: Mar 2011
Location: Saint Clairsville, Ohio
Posts: 17
8mm brass

What is the process to neck them down?
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  •   #2  
    Unread 02-11-2014, 07:59 AM
    Platinum Member
     
    Join Date: May 2012
    Posts: 4,108
    Re: 8mm brass

    Put die ( 7stw fl die) and shell holder in press, lube case (moderately- a bit on neck area) with decent lube (not one stuck), put case onto shell holder, cycle ram.
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      #3  
    Unread 02-11-2014, 11:10 AM
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    Join Date: Oct 2008
    Location: Alabama
    Posts: 9,245
    Re: 8mm brass

    Pretty simple...Lube up an 8mm RM case, then run it up into a 7mm STW full-length sizing die. And out pops your newly formed 7mm STW brass ready to load.

    Simple as that.
    __________________
    "I'm just a peckerwood who lives in the hills with too many guns..." - Bob Lee Swagger

    "Give me a minute...I'm good. Give me an hour...I'm great. Give me 6 months...And I'm unbeatable." - Col. Hannibal Smith

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      #4  
    Unread 02-11-2014, 02:42 PM
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    Join Date: Oct 2011
    Location: Bend, Or
    Posts: 427
    Re: 8mm brass

    I've found the shoulder/neck radius to be larger on the 8mm after sizing but 70+gr of powder will fix it.
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      #5  
    Unread 02-11-2014, 05:22 PM
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    Join Date: Sep 2012
    Posts: 41
    Re: 8mm brass

    Use "Imperial Sizing Die Wax". I spread on small amount of the wax the outter neck with my fingers, and use a Q-Tip to apply the wax to the case mouth. Good luck.
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      #6  
    Unread 02-15-2014, 03:23 AM
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    Join Date: Feb 2014
    Posts: 6
    Wink Re: 8mm brass

    I used Imperial but got some shoulder dents. Yes they fired out. I started using the little can of steel shot with the moly in it instead. Dip the neck in and it's lubed inside and out. One pass through the press and you have a 7mm STW. Chamfer the inside of the case mouth, uniform the primer pocket and flash holes and your good to go.

    The part that's funny is I made my first one in 1989 and bought 250 8mm Mag cases.
    I made up 150 cases. 24 years later I still have 118 of the first 150.

    I looked the other day and I still have the 8mm Mag cases and 200 7mm STW cases that I bought years ago when they first started loading it as factory ammo.

    Cousin Wayne ran into some 8mm Mag cases atat a gun show a while back and called to see if we needed any? I', 65, he's 70. I explained we were both still working on our first 150, I didn't think we'd need more before we fellover dead or at least quit hunting.

    RWT
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