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7 SAUM with too long of a throat???

 
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Old 08-22-2009, 09:58 PM
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7 SAUM with too long of a throat???

I just had a 7 SAUM built on a Tac-30 short action. I was planning on shooting a 168 or 180 Berger. When I checked the oal to touch rifling its a full .1 (tenth) or should I say 100 thousands longer than box mag. I don't think you can get a berger VLD to jump that far and shoot. Box mag will go about 2.83 and the 168 goes 2.915!!!! Options??
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Old 08-22-2009, 10:23 PM
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Re: 7 SAUM with too long of a throat???

I have a 7 saum that consists of a Douglas barrel screwed on a Savage action. I can't get a 162 gr Amax(2.970) to reach the lands and still fit in the mag, but the 160 gr Accubond(2.880) will, just barely. Both are .005 off the lands.

I have a drop chart for the A max out to 700 yds, I use them single shot for long range hunting shots or target practice. Up until I decide to take a shot over 400 yds I have the ABs loaded in the chamber and mag in case something steps out close.

Chris
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Last edited by winmagman; 08-22-2009 at 10:28 PM.
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Old 08-22-2009, 10:46 PM
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Re: 7 SAUM with too long of a throat???

Okie,

I just stumbled across this, might be of some help. Optimizing Precision And Accuracy From VLD Bullets

Chris
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Old 08-22-2009, 11:02 PM
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Re: 7 SAUM with too long of a throat???

Thanks Winmagman, Very interesting. I am going to have to go back to the range and try a few. I really thing 50 or 60 thousands is a bunch. But it may work. I also am going to use this gun for tac matches, so I need these bullets. Adios
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Old 08-23-2009, 06:37 AM
GLZ GLZ is offline
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Re: 7 SAUM with too long of a throat???

Try the extended mag box from www.wyattsoutdoor.com. The box will let you load to ~ 3.00 OAL. Stiller cuts his hunting actions for the long box (bolt stop and rear of action) but the TAC series is cut for the standard box.
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Old 08-23-2009, 08:50 AM
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Re: 7 SAUM with too long of a throat???

Thanks GLZ, I knew there was a bottom metal and box that was bigger I just couldn't find it and was in too big of a hurry. Gunsmith was needing it. I'm going to call them Monday and see if it will fit my Tac 30. Oh, to others looking the 168 smk's are shooting really good @ 2.83 I just don't know if this is a very good hunting bullet??
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Old 08-23-2009, 10:10 AM
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Re: 7 SAUM with too long of a throat???

Quote:
Originally Posted by Okiecat View Post
I just had a 7 SAUM built on a Tac-30 short action. I was planning on shooting a 168 or 180 Berger. When I checked the oal to touch rifling its a full .1 (tenth) or should I say 100 thousands longer than box mag. I don't think you can get a berger VLD to jump that far and shoot. Box mag will go about 2.83 and the 168 goes 2.915!!!! Options??
Most of the new high pressure cartridges have long throats unless you have a short throat
chamber job done.

Most people will do this if there intent is to use the Berger's or other secant ojive bullets.

Berger has changed their opinions on bullet seating depths and now say that you can seat
them longer than in the past. (Over .100 thousandths off the lands.

So I would give them a try @ mag length and if they did not work then try something like
an Accubond.

J E CUSTOM
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