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 Post subject: 7-300 180g ELDMs 300 yards
PostPosted: Sat Jun 06, 2020 1:43 pm 

Joined: Thu Nov 17, 2005 6:16 pm
Posts: 2449
Location: Oregon
Took my 7-300 Win Mag out yesterday with 180g ELDMs and H1000 and RL26 for a little testing at 300 yards. I did a ladder test couple months back with this combo at 300 yards and just got around to shooting 3 shot groups with what looked to be the nodes. So heres the result of that. I'm liking the 72.5g H1000 with a 3/4" group. This is why I dont get to hung up on numbers. As you can see, the loads with the lower ES do not always shoot the best...


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 Post subject: Re: 7-300 180g ELDMs 300 yards
PostPosted: Sat Jun 06, 2020 5:11 pm 

Joined: Thu Nov 05, 2015 7:43 am
Posts: 541
Looking good. Dan.


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 Post subject: Re: 7-300 180g ELDMs 300 yards
PostPosted: Sun Jun 07, 2020 9:09 am 

Joined: Mon Sep 27, 2010 2:23 pm
Posts: 683
Excellent, very close to my load for my 7mm Rem mag.


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 Post subject: Re: 7-300 180g ELDMs 300 yards
PostPosted: Sun Jun 07, 2020 11:01 am 

Joined: Thu Nov 17, 2005 6:16 pm
Posts: 2449
Location: Oregon
What are you getting from your 7 Mag?


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 Post subject: Re: 7-300 180g ELDMs 300 yards
PostPosted: Tue Jun 09, 2020 6:12 pm 

Joined: Sun Apr 07, 2019 4:50 pm
Posts: 194
If this work is also at 300yds, 3/4” will certainly bring a smile to your face.

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 Post subject: Re: 7-300 180g ELDMs 300 yards
PostPosted: Tue Jun 09, 2020 6:43 pm 

Joined: Sun Apr 07, 2019 4:50 pm
Posts: 194
If you don’t mind, can I ask who built you barrel and how you would rate it’s quality so far?

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 Post subject: Re: 7-300 180g ELDMs 300 yards
PostPosted: Tue Jun 09, 2020 11:39 pm 

Joined: Thu Nov 17, 2005 6:16 pm
Posts: 2449
Location: Oregon
All testing has been done at 300 yards. Rifle has a 28" heavy Bartlein stainless 9 twist. I would rate Bartleins at the top of most barrel makers. Bartlein and Kreiger are 2 of the better barrel makers IMO...Every Bartlein I've seen and been around, is an easy 1/2 MOA shooter or better with minimal testing. 3/4" at 300 yards is close enough to 1/4 MOA. Good enough for me...


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 Post subject: Re: 7-300 180g ELDMs 300 yards
PostPosted: Wed Jun 10, 2020 8:49 am 
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Joined: Sat Oct 30, 2004 6:45 pm
Posts: 22501
Location: Cheyenne, WY
remingtonman_25_06 wrote:
I would rate Bartleins at the top of most barrel makers. Bartlein and Kreiger are 2 of the better barrel makers IMO...Every Bartlein I've seen and been around, is an easy 1/2 MOA shooter or better with minimal testing.



What he said!

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 Post subject: Re: 7-300 180g ELDMs 300 yards
PostPosted: Wed Jun 10, 2020 8:57 am 

Joined: Sun Dec 24, 2006 12:20 pm
Posts: 30093
Location: Northern Virginia
remingtonman_25_06 wrote:
All testing has been done at 300 yards. Rifle has a 28" heavy Bartlein stainless 9 twist. I would rate Bartleins at the top of most barrel makers. Bartlein and Kreiger are 2 of the better barrel makers IMO...Every Bartlein I've seen and been around, is an easy 1/2 MOA shooter or better with minimal testing. 3/4" at 300 yards is close enough to 1/4 MOA. Good enough for me...


Great shooting Jorey. I have a Bartlein 1-8 5R on my 7 Mashburn and it has been an excellent shooting barrel as well, with a bunch of bullets. I'd say 2900+ with the 180 should work pretty well, especially with that sorta accuracy.

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 Post subject: Re: 7-300 180g ELDMs 300 yards
PostPosted: Wed Jun 10, 2020 10:46 am 

Joined: Mon Sep 27, 2010 2:23 pm
Posts: 683
remingtonman_25_06 wrote:
What are you getting from your 7 Mag?


73gr H1000, 3000fps with a 26" barrel. Its throated long though, 3.450" OAL. I haven't shot it a whole lot but it is 1/2 moa, maybe a little less. Shilen barrel on mine. A Bartlein would have been nice! Next time...


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 Post subject: Re: 7-300 180g ELDMs 300 yards
PostPosted: Wed Jun 10, 2020 12:41 pm 

Joined: Thu Nov 17, 2005 6:16 pm
Posts: 2449
Location: Oregon
Wow, you are getting some good velocity. I could go a bit higher, but I've never had the desire to hot rod this rifle. Nosler brass is on its 5th firing and the primer pockets are still like new...My rifles throat wasn't setup properly...My OAL is only 3.5" I wanted it at least 3.6" so I dont know what happened there, but I think that's a good part of why I'm 100-150fps slower than everyone elses 7-300. You would think with my 28" barrel 3100fps would be easily attainable without hot rodding it and still achieving under 1/2 MOA. Sadly, that's just not the case. I pretty much have a 7 Rem Mag at this point lol. Oh well, it shoots great and I doubt any animal will notice the velocity difference.


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 Post subject: Re: 7-300 180g ELDMs 300 yards
PostPosted: Wed Jun 10, 2020 2:45 pm 

Joined: Mon Sep 27, 2010 2:23 pm
Posts: 683
It won't matter. Any long range shot you're gonna take where it would matter, you still need a range and wind reading to plug into a ballistic app. So maybe its 25 clicks up vs 23...whoopty dooo. If you have the magazine length to handle the longer OAL, you could have the throat lengthened a bit?


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