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 Berger Bullets in 300 RUM
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WYO300RUM
Average Member



USA
94 Posts

Posted - Jun 08 2011 :  18:45:19  Show Profile Send WYO300RUM a Private Message  Reply with Quote
I hate when that happens.

Huntnmoon,
Can't beleive nobody had replied to you yet !
I think I got the newbie shun to not long ago. I've been shooting a 300 RUM for about 7 yrs. now ??? My one go to load is 180 gr. Barnes TTSX, Nosler or Federal case, 100.0 grs. Hogdon Retumbo, Fed. 215 mag primer or Fed mag match primer. the bullet works best around .020 off rifling. I weigh my cases and bullets when shooting paper and have shot some 3 shot .280 to .346 groups. It's a Rem. Mod. 700 SS w/26 in barrel and a magnabrake on it. A lot of guys on this site shoot 300 RUM's and all get xlnt accuracy. I think it's an inherently accurate cartrige.Good luck with your reloading and let us know how it goes. I too own a Rem 7 mag and bowhunt. I've shot more elk with bow than rifle !
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WYO300RUM
Average Member



USA
94 Posts

Posted - Jun 08 2011 :  18:50:17  Show Profile Send WYO300RUM a Private Message  Reply with Quote
Forgot to say that I chrono that load at 3416 ave. fps.
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mhiltz
Advanced Member

USA
645 Posts

Posted - Jun 08 2011 :  19:51:23  Show Profile Send mhiltz a Private Message  Reply with Quote
WYO300RUM,

I shoot a 7mm RUM, it's a Remington Sendero with a 26" barrel. And I love the 168gr Berger VLD. I use 100.0 gr. of US869 and have chronied them at 3150fps. I don't know if I would ever use them on elk because they blow the sh-t out of the coyotes.

mhiltz

"It's better to have it and not need it than to need it and not have it" Captain Call Texas Ranger

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WYO300RUM
Average Member



USA
94 Posts

Posted - Jun 13 2011 :  16:53:30  Show Profile Send WYO300RUM a Private Message  Reply with Quote
mhiltz,
I was thinking your 7 RUM should shoot that load a little faster. I'm pushing a Barnes TTSX at 3419 ave. fps. Have you ever tried Retumbo in your 7 RUM ? It has the highest velocity and most accurate in mine so far. H-1000 was accurate also but about 150 fps slower with max loads. I haven't found a load with RL25, RL22,7828, etc. that matches it yet.I've steered away from the idea of using Bergers because they aren't solid copper/alloy or even bonded. I bet a max or close to load of Retumbo with a Barnes 160 or heavier TTSX or Nosler Accubond in your 7 RUM would be accurate and Fast ! The 140 TTSX w/69 to 70 grains of RL22 is very accurate in my 7mm Rem Mag. BoBo and MtMuley have some loads I want to try in the 7 Mag with RL25 and Retumbo. going to move it up to a 160 gr. though. I shot some loads with 103 grs. Retumbo w/168 gr. TTSX match in my 300 RUM the other day. They were shooting almost as good as the 180's. Forget the FPS but it was 35something. I sent MtMuley pictures of grops with the 180 and 168 loads I mentioned. He liked them The were all 3 shots touching , even the 7 mag.
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mhiltz
Advanced Member

USA
645 Posts

Posted - Jun 14 2011 :  00:27:34  Show Profile Send mhiltz a Private Message  Reply with Quote
I have tried a lot of different combo's for this 7mmRum and the 160gr and under are not very good. It really likes the 168gr, and the 175gr bullets. As far as Retumbo goes I get better results withthe US869, It's a bit slower burning. It has produced the best accuracy and the best velocities so far. I haven't maxed it out on velocity yet though. I am fixing on bumping it up a grain and a half tonight. We'll see what I come up with.

mhiltz

"It's better to have it and not need it than to need it and not have it" Captain Call Texas Ranger

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WYO300RUM
Average Member



USA
94 Posts

Posted - Jun 15 2011 :  17:32:30  Show Profile Send WYO300RUM a Private Message  Reply with Quote
Mhiltz,
Are you sure the US869 is slower than Retumbo...?
I know that you know that it's no no
Actually the only reason I'm replying is to see if you noticed that I graduated to a Junior ? Made my day !
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Bobo7mmmag
Advanced Member

2555 Posts

Posted - Jun 15 2011 :  19:55:03  Show Profile Send Bobo7mmmag a Private Message  Reply with Quote
US869 is one notch slower than Retumbo in my opinion.
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WYO300RUM
Average Member



USA
94 Posts

Posted - Jun 16 2011 :  18:30:01  Show Profile Send WYO300RUM a Private Message  Reply with Quote
I did not know this BoBo. Who makes US869 ? Is it a military powder ? I don't recall their designations but I know there are two that were sold as surplus and it sounds familiar. It was compared to Hogdon's 870. I should kick myself because back then I could of got 8 lbs. for $40.00 ...
Mhiltz,
I stand corrected. You're and oak.
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huntnmoon
Starting Member



USA
8 Posts

Posted - Jun 16 2011 :  20:17:08  Show Profile Send huntnmoon a Private Message  Reply with Quote
WYO300RUM
Thanks for the feed back. Didn't think I was getting any replys until I checked my "spam" mail today. Have you tried the load mtmuley suggested with the accubonds? I'm still working on putting the rifle together. I ordered a Nightforce scope (5.5-22x56) yesterday and I'm not sure what ring height to get for the mounting system. My intentions are to use a picatinny rail and rings. The rifle is a generic (sporter) and has 26 inch barrel. I would like to have enough clearance between the barrel and scope to accomodate scope lens covers. Can anyone give any tips on ring height, scope lens covers, manufactures, etc. Thanks again for the feedback
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mhiltz
Advanced Member

USA
645 Posts

Posted - Jun 17 2011 :  00:32:19  Show Profile Send mhiltz a Private Message  Reply with Quote
WYO300RUM,

Congratulations on your junior status!

mhiltz

"It's better to have it and not need it than to need it and not have it" Captain Call Texas Ranger

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Bobo7mmmag
Advanced Member

2555 Posts

Posted - Jun 17 2011 :  13:06:29  Show Profile Send Bobo7mmmag a Private Message  Reply with Quote
US869 is H870's replacement.
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WYO300RUM
Average Member



USA
94 Posts

Posted - Jun 17 2011 :  15:29:00  Show Profile Send WYO300RUM a Private Message  Reply with Quote
Ah Hah ! I bought a pound of H870 many yrs. ago. Never even tried it. Thanks for the info. I thought Retumbo was a tick slower than H870.
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mhiltz
Advanced Member

USA
645 Posts

Posted - Jun 17 2011 :  23:57:58  Show Profile Send mhiltz a Private Message  Reply with Quote
Hold on there partner. According to QL data... max load for the 7RUM with 175gr bullet.
Retumbo 88.7 gr is max for the pressure at 2997 fps
H870 93.4gr. max @3035fps
US869 99.3gr max at 2997fps

So acctually the H870 and the US869 are different and the US869 is the slowest burning of the three.

Am I still an Oak?

mhiltz

"It's better to have it and not need it than to need it and not have it" Captain Call Texas Ranger


Edited by - mhiltz on Jun 18 2011 00:40:22
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mhiltz
Advanced Member

USA
645 Posts

Posted - Jun 18 2011 :  00:07:32  Show Profile Send mhiltz a Private Message  Reply with Quote
WYO300RUM,

If you ever want to cross the line, and come over to the "slower burnin powder club" and you get a can of US869, 100.0gr with a 200gr. bullet ought to do nicely in the mighty 300.

mhiltz

"It's better to have it and not need it than to need it and not have it" Captain Call Texas Ranger

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Bobo7mmmag
Advanced Member

2555 Posts

Posted - Jun 18 2011 :  13:07:18  Show Profile Send Bobo7mmmag a Private Message  Reply with Quote
Did not know that there was that much difference between H870 and US869.

Excellent work MHiltz.
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