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7mm berger vld dummy for gunsmith?

 
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  #1  
Old 06-18-2009, 03:37 PM
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7mm berger vld dummy for gunsmith?

I'm building a 7 mag to shoot 168 vld's. My gunsmith wants a dummy round for overall length. How deep would you seat the vld for the dummy round?
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  #2  
Old 06-18-2009, 04:36 PM
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Re: 7mm berger vld dummy for gunsmith?

Complicated question.....but I would ask him to chamber it so you can reach the lands and still be able to put rounds in the magazine (Assuming you are building a repeater). In other words, if you give him some one else's OAL, you may find out that you will have to shoot it single shot because your magazine is shorter than the length you provided.

It may not be a problem with a 7 mag/long action, but my 7wsm/short action needed an extended box mag so I can seat my 168 VLD's into the lands and still use the magazine.

If I decide to shoot the 180's I will have to shoot them single shot.....I believe (haven't had that urge, yet).
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  #3  
Old 06-18-2009, 05:26 PM
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Re: 7mm berger vld dummy for gunsmith?

What I'm asking is not counting jump can the berger bullet be seated to far in the case? Is there a max seating depth for example, top of boatail at bottom of neck, or something like that?
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Old 06-19-2009, 06:45 AM
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Re: 7mm berger vld dummy for gunsmith?

Quote:
Originally Posted by bcoving View Post
What I'm asking is not counting jump can the berger bullet be seated to far in the case? Is there a max seating depth for example, top of boatail at bottom of neck, or something like that?
That would be ideal but other bullets would be touching the lands and would have to be
seated even deeper.

I would set the Berger bullet 1 calibre (Minimum recommended seating depth) deep and tell
him how much jump you want. .005, .010,.015 or even touching.

That way you would have some flexability with bullets if you wanted to change to a standard
ojive design,

If you want to use the magazine that would be the C.O.A.L but if you do that the rifle may be
limited on what you can shoot in it.

If it is to be target only then you can set it up for one bullet only like the berger but if you
intend to hunt I would cut a standard chamber and seat the bergers long.

Just my opinion

J E CUSTOM
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  #5  
Old 06-19-2009, 08:21 AM
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Re: 7mm berger vld dummy for gunsmith?

According Sierra's specs, 3.260 is their overall length for the 7mm Rem Mag.

Tank
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  #6  
Old 06-19-2009, 09:22 AM
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Re: 7mm berger vld dummy for gunsmith?

Thanks.
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  #7  
Old 06-19-2009, 09:56 AM
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Re: 7mm berger vld dummy for gunsmith?

bcoving - I can certainly take a measurement for you, as I have lots of 168's loaded. It's a 7wsm not a regular 7 mag, but maybe you are looking for a general measurement.....???
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