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7mm Rem mag barrel length?

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Unread 11-20-2005, 12:16 PM
Junior Member
Join Date: Aug 2002
Location: bennett, Ia, usa
Posts: 14
7mm Rem mag barrel length?

I'm planning on rebarreling my old 700 in 7mm mag. It will
be used for deer and pronghorn. I figure shots out to 500 yards. I plan on using light and heavy bullets. My question
is what would be a good barrel length? It will have a muzzle brake.
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Unread 11-20-2005, 08:59 PM
Platinum Member
Join Date: Apr 2003
Location: North Bend, Oregon
Posts: 1,476
Re: 7mm Rem mag barrel length?

If you can manage the length I would put a 30" barrel on it. If not then put at least a 26" barrel. Anything less and you are burning a lot of powder outside the barrel.
Some kids want to be a fireman or a doctor to help people. I wanted to be a gunsmith.

NRA Life Member and I vote.

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Gordy and Brady.
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Unread 11-20-2005, 11:30 PM
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Join Date: Jun 2004
Location: PA
Posts: 139
Re: 7mm Rem mag barrel length?

24' to 26' is enough and remember the brake will add 2' to the overall length.
One Shot,One Kill.
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Unread 11-20-2005, 11:35 PM
Gold Member
Join Date: Jul 2005
Location: East TX
Posts: 773
Re: 7mm Rem mag barrel length?

I 2nd Tommy! For a 7RM 25" with Holland Brake or whatever will give you most of what you are going to get with it. For the RUM and such, step up to the 28-30", but that's not needed on the 7RM.

Shooting the same load in a 24 and 26" barrel in two 7RM I have access to have a net difference of 42 fps with 140 gr Accubonds. You will never recoop that with your back complaining about that extra pound of barrel wieght. [img]/ubbthreads/images/graemlins/grin.gif[/img]
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Unread 11-20-2005, 11:58 PM
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Join Date: Jul 2001
Posts: 1,459
Re: 7mm Rem mag barrel length?

24" then brake works just fine for me.

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Unread 11-21-2005, 08:50 AM
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Join Date: Sep 2004
Location: Nevada
Posts: 788
Re: 7mm Rem mag barrel length?

I "had 7 mag" The key word is had. The case isn't big enough. I aquired one of the original 7 STW's before it was a comercial round.

I did lots of chrono time with my 7 mag and when it was popping the primer the 7 STW was 150 FPS faster and not even stressing.

Not everybody likes packing a 28 inch barrel, but I do. I don't even have a brake on my .458's I use the heavy gun idea to stop recoil. Big barrel and straight stock.
.270 Ackley improved 29 inch 1.250 dia. target barrel 7mm STW 28 inch 1.250 target barrel. I also love my .458 mag for varmints and the biggest game in the world.
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Unread 11-21-2005, 11:01 AM
Silver Member
Join Date: Apr 2004
Location: Northern California
Posts: 180
Re: 7mm Rem mag barrel length?

A 26 inch barrel has always worked fine for me. It gives enough velocity and stabilization of the larger high BC bullets to do some long range work. The 7 mag also has a moderate recoil that most people can tolerate without a brake. Just make sure that you pick a barrel with at least 1 in 8 or 8.5 twist so that you can stabilize the high BC bullets.

I just don't think that you can beat the old trusty 7 mag for deer sized game out to 500.

Just my $.02
I shoot 1/4 inch groups at a 1000 yards. That is...till my second shot.
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