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7mm SAUM and 180 Berger Hybrids in Short Action?

 
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Old 03-09-2011, 12:00 PM
KPK KPK is offline
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7mm SAUM and 180 Berger Hybrids in Short Action?

Can this be done with success? I've heard of close to 3,000 fps with this loaded at 2.98" to fit in a magazine. Is it possible?

Do you have loads if you have tried this?

Any advice would be great. I'm going to try it one way or the other.
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Old 03-09-2011, 01:16 PM
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Re: 7mm SAUM and 180 Berger Hybrids in Short Action?

Please keep us posted on this one, as I'm waiting for my barrel in 7mm SAUM built on a 270 WSM Savage Action. I was thinking of starting out with the AB bullet and am curious hear other combination's. What magazine are you using to be able to seat a 2.98 OAL?

Moondog
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Old 03-09-2011, 03:09 PM
KPK KPK is offline
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Re: 7mm SAUM and 180 Berger Hybrids in Short Action?

I will keep everyone posted. Hopefully I can get it going asap. What charge should I start at?

They are Alpha mags.
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Old 10-01-2014, 02:20 PM
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Re: 7mm SAUM and 180 Berger Hybrids in Short Action?

Quote:
Originally Posted by KPK View Post
I will keep everyone posted. Hopefully I can get it going asap. What charge should I start at?

They are Alpha mags.
Any update on this?
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Old 10-01-2014, 04:57 PM
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Re: 7mm SAUM and 180 Berger Hybrids in Short Action?

I guess anything is possible with a long enough barrel but..... since Berger shows the 7 RUM doesn't shoot that fast I doubt a 7 SAUM will. Mine gets 2750 fps w/ the 180 VLD's and a 25" barrel. This load is so accurate I use this rifle to test other rifle scopes to verify they hold impact. I'm using H4831, if I switched to Norma MRP they show 100fps gain. Now saying this it shoots like it's going 2900fps according to my bullet drop ap. I'm using the V2 chrony.
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Old 10-02-2014, 08:30 AM
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Re: 7mm SAUM and 180 Berger Hybrids in Short Action?

It's not only possible, my rifle does it. I might have a fast barrel, but I'm getting 3050 fps with a 26" Brux barrel using H4831SC, CCI BR2, and 180 Hybrids. The load is above "book" max but it barely showed signs of pressure. I ran it a little hotter, but accuracy suffered. I originally developed the load for my single shot, but with the idea of making it into a repeater, I shortened the COAL to fit into the alpha mag. There was no noticeable difference in accuracy. The rifle shoots 1/2 minute at least, with my best 5 shot group at 506 yds that can be covered with a dime.
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Old 10-02-2014, 09:18 AM
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Re: 7mm SAUM and 180 Berger Hybrids in Short Action?

built my saum on a long action and will only about 2850 before i see pressure. im using norma brass and i think its a bit thicker than remington.
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