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  #1  
Old 07-01-2007, 10:48 AM
number1 number1 is offline
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PreSeating Tool ?

Is there a tool that I can use in my Bullet Seating Die to premeasure the seating depth of a cartridge?
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  #2  
Old 07-01-2007, 02:16 PM
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Rocky Raab Rocky Raab is offline
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Don't know of any such, but it should be possible to get a kind of pre-seat reading by using the depth gauge function of a dial caliper. Bridge the end of the caliper on the bottom edge of the die and lower the probe until it touches the seating stem. You'd have to make an allowance for how far off the shellholder the die sits, and also for the distance from the shellholder lip to its bed where the case sits, but both those would be a constant unless you change your die setting.
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Old 07-01-2007, 03:58 PM
Ol` Joe Ol` Joe is offline
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If you leave the die lock ring set as I do for my Co-Ax you can measure the lenght of the seating die from base to top of the seating stem once you get it set for your bullet. Record that measurment (I write it on the bullet box) and as long as you use that lot of bullets you can adjust the stem to the same lenght and be good to go. You might need to tweek the adjustment if you start a new lot of bullets.
Quick, easy, and only a caliper needed
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Old 07-02-2007, 09:30 AM
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Rocky Raab Rocky Raab is offline
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Ol Joe's way is simply the "outside" method doing what I described as the "inside" way.
They'll both work fine, but sometimes the die is too tall/long for a standard caliper to span usng the outside method (As I learned once). If so, measure using the "inside" method and record that number for future use.

You only need to do the extra steps of measuring the gap between the die and shellholder plus the shellholder step if you are trying to pre-compute a seating depth. If you already have that and are merely trying to return to a setting, either the inside or outside measurement will work fine.

An even simpler way is to make up a dummy cartridge (no primer or powder) with that type bullet and keep it as a reference. Just slowly adjust the die down until it and the seater stem just touch the dummy, and you're set again.
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  #5  
Old 07-02-2007, 11:38 PM
bign4376 bign4376 is offline
 
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I always make a dummy round for hunting shells so I have a consistent seating depth and I know for sure my shells will cycle through the action smooth. Almost a must when you shoot a semi auto like the browning BAR. never have thought about the calipers thanx for the tip rocky
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Old 07-03-2007, 08:54 AM
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You are most welcome; and welcome to HuntChat, as well!
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