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 7mm Rem mag ...OAL concern
#6389103
07/31/16 02:25 PM
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Joined: Dec 2010
Posts: 1,482
Blanco
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So I was starting to load up.some 7mm Remmag using Speer 140gr Sp (1629)
Just for giggles I broke out my Hornady Lock n load Oal.gauge. I checked my bullet and came up with a max OAL of 3.250 in my Weatherby Vangaurd.
The Lyman manual lists 3.29 as max Speer lists 3.28 max OAL.
I double checked my Weatherby again to.confirm and got 3.25 again.
I checked some new Remington and it measured 3.2
I will go with my measurement but wonder why the big difference?
Last edited by Blanco; 07/31/16 02:34 PM.
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Re: 7mm Rem mag ...OAL concern
[Re: Blanco]
#6389121
07/31/16 02:41 PM
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Joined: May 2016
Posts: 352
cblackall
Bird Dog
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Bird Dog
Joined: May 2016
Posts: 352 |
Weatherby's always have a lot of free-bore. In a 7 mag you can probably load a bullet long enough to get there, but typically it's tough to chase the lands on a Weatherby. OAL is just a number. As long as you've got enough bullet left in the case neck, and it still fits in the magazine box you can load it as long as you like.
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Re: 7mm Rem mag ...OAL concern
[Re: Blanco]
#6389143
07/31/16 02:59 PM
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Joined: Dec 2010
Posts: 1,482
Blanco
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That's the thing .. Don't believe the non Weatherby cals have the freebore
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Re: 7mm Rem mag ...OAL concern
[Re: Blanco]
#6389170
07/31/16 03:38 PM
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Joined: May 2014
Posts: 1,100
TackDriver
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That's the thing .. Don't believe the non Weatherby cals have the freebore All rifles have freebore. Some have more than others. Just measure your OAL in your chamber and go back .010 and play with seating depth to find the sweet spot.
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Re: 7mm Rem mag ...OAL concern
[Re: TackDriver]
#6389964
08/01/16 04:06 AM
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Joined: May 2007
Posts: 139
ScottA
Woodsman
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Woodsman
Joined: May 2007
Posts: 139 |
That's the thing .. Don't believe the non Weatherby cals have the freebore All rifles have freebore. Some have more than others. Just measure your OAL in your chamber and go back .010 and play with seating depth to find the sweet spot. Yep. 7 mags are notorious for having unpredictable throat lengths. Measure for whatever bullet you want to use and seat accordingly.
If you want something done, tell a Texan its impossible
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Re: 7mm Rem mag ...OAL concern
[Re: Blanco]
#6392532
08/03/16 01:36 AM
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Joined: Nov 2007
Posts: 604
ASIC777
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Tracker
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From the Weatherby FAQ on Weatherby's site:
What is the throat length (free bore) on your Weatherby rifles chambered for Weatherby magnum calibers?
Cartridge Throat length (free bore)
.224 Weatherby Magnum .162
.240 Weatherby Magnum .169
.257 Weatherby Magnum .378
.270 Weatherby Magnum .378
7MM Weatherby Magnum .378
.300 Weatherby Magnum .361
.340 Weatherby Magnum .373
.375 Weatherby Magnum .373
.378 Weatherby Magnum .756
.416 Weatherby Magnum .239
.460 Weatherby Magnum .756
.30-378 Weatherby Magnum .361
.338-378 Weatherby Magnum .361
Lifetime NRA Member
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Re: 7mm Rem mag ...OAL concern
[Re: Blanco]
#6392745
08/03/16 04:54 AM
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Joined: Dec 2010
Posts: 1,482
Blanco
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Good info ....except mine is a 7mm Rem Mag
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