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7mm-08

 
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  #8  
Old 08-21-2013, 04:11 AM
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Join Date: Mar 2011
Location: Florida
Posts: 268
Re: 7mm-08

My son shoots a Savage 7mm-08. We have been using Varget and 140 gn Nosler BTs and Berger VLDs. It shoot very well and is very deadly to Florida deer and hogs. I have good things about the 120 BTs,but never tried them.
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  #9  
Old 08-21-2013, 07:46 AM
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Join Date: Dec 2009
Posts: 881
Re: 7mm-08

I have loaded for myRuger #1A in 7x57 using mainly RL-19 and RL-22. I believe my accuracy load with Hornady 162 AMAX's is with RL-19. I haven't chronoed it, so I don't really know what velocity I am getting. It shoots sub-MOA though.

Because the AMAX's won't be available for awhile, I plan to switch to Berger 168g Hybrids. I also think RL-17 would be worth a try.

At any rate, if you feel that the 160 class bullets are just too heavy, you might consider going with a 150g LRAB (I have been seeing them for sale lately) or a 150g Partition. Nosler data shows them doing around 2800 or so from a 22" barrel in 7x57 with RL-19. I would expect similar performance from a 7-08.

Experimenting with seating depth with that rifle may be worth a try. What you find out about the distance to the rifling may tell you something about where to start in terms of bullet weight.
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  #10  
Old 08-21-2013, 08:25 AM
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Join Date: Jul 2004
Location: Texas
Posts: 5,466
Re: 7mm-08

This is one of my favorite cartridges for deer size game.

With the case capacity of the 7/08, heavy bullets normally wont have enough velocity to perform
at distance.

I know It goes against all logic but the best bullet I have found for it has been the 120 grain
ballistic tip. The 7/08 can push the 120 to over 3000 ft/sec, have very little recoil, good trajectory
and deadly results at normal hunting distance (100 to 600 yards).

I have a pet load that seems to work in all 7/08s All of the owners of 7/08s I have built( Almost
a dozen) use one of these loads for accuracy and performance.

49.5 grains of H414 - CCI BR2 primer - 120 grain ballistic tip for 3010 ft/sec.
or
45.0 grains of Varget - CCI BR2 Primer - 120 grain ballistic tip for 3132 ft/sec.

My Best group with the 414 load was .052 and with Varget was .078.

Longest shot on deer with 414 load was 519 yards (DRT) best shot was a head shot on a turkey @
260+ yards.

Just a little information based on use.

PS: I really wanted to use a 140 grain bullet but they never performed like the 120.

J E CUSTOM
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"PRESS ON"
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  #11  
Old 08-21-2013, 09:17 AM
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Join Date: Jan 2013
Location: Meridian, Idaho
Posts: 1,306
Re: 7mm-08

Great info guys, thanks. The rifle has the sporter weight barrel and they said the twist is 9.5. Barrel is listed as 22 7/16.
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  #12  
Old 08-21-2013, 11:09 AM
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Join Date: Dec 2006
Posts: 336
Re: 7mm-08

Quote:
Originally Posted by jimbires View Post
I've played quite a bit with 7-08's . I just don't think it has enough case capacity for the 168 bullets . I was over loading to where case life was short , accuracy suffered , and if I remember right I was getting less than 2700 FPS with a hot load . I think 2600 is about max velocity with a safe load in a 24"bbl . I could be wrong on these velocities . I am using 140 Berger hunting VLD's with RL17 powder . velocity is good , accuracy is good , and velocity extreme spread is good . the last day I shot it over my chrony my low was 3077 and my high was 3081 for 5 shots . I think RL17 is a very good powder for the 7-08.
I found an old target with some data for the 168 . this would be after I slowed the velocity .

If you don't mind me asking, can you tell me what your min and max powder weights were using RL17 with the 140gr bullets?
Thanks!
Steve
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  #13  
Old 08-21-2013, 11:30 AM
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Join Date: Mar 2008
Location: clearfield county , Pa
Posts: 626
Re: 7mm-08

Quote:
Originally Posted by old_heli_logger View Post
If you don't mind me asking, can you tell me what your min and max powder weights were using RL17 with the 140gr bullets?
Thanks!
Steve


Steve , quickload shows 47.0 grains as being max with a berger 140 Hunting VLD . so the rule of thumb is 4 grains lower is your starting point , making 43.0 min .

I'm using 49.0 grains RL17 , CCI 200 primer , with a 140 berger hunting VLD . COAL is 2.844 off the tip . I'm getting no pressure signs on hotter days , and very long brass life . this load seems to be safe in my rifle . this is a 200 yard target . left is 48.0 , center is 48.5 right is 49.0 . the larger bottom spot is a different rifle .


this is a close up of the 49.0 target 200 yds from above .
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  #14  
Old 08-21-2013, 11:43 AM
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Join Date: Mar 2008
Location: clearfield county , Pa
Posts: 626
Re: 7mm-08

I have 3 different 7-08's . I find them easy to load for . another powder I'm using is H4895 . I'm using it with a 120 ballistic tip in my girlfriends browning rifle . it's a lighter load to help reduce recoil . this load is very mild mannered . I'm using 39.0 grains H4895 , with a CCI200 primer , 120 nosler B-tip , COAL is 2.800 off the tip . she didn't get a kill last year to know how this combo will work , but it is pretty accurate . I really need to shoot it over my chrony to check the speed . quickload says 2716 FPS . where I hunt with her 100 yds is a long shot . so I think it should be fine .
I was doing barrel break in and load development at the same time . it was very close to deer season . the taped over holes were the last of the shoot and clean . the three holes that are not taped are the first three shot group from the rifle .
this is a 100 yard target .
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