300 Win Mag + 215/230 Berger Hybrid Target : tell me about it!

Joe.grey

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Jul 14, 2018
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#1
Extended Long Range shooters,

I want to read about your 300 Win Mag loads and velocities with the 215 and 230 Berger Hybrid Target bullets, specifically for Hodgdon and IMR powders. I am only interested in Hodgdon and IMR powders as they are the only ones I have access to.

Just purchased a Rem 700 Sendero SFII, 300 WinMag with a 26" tube and a 1:10 twist. Dropped it in an MDT ESS chassis, installed a brake and want to take it out for some 1000m to 2000m extended long range shooting. I am hoping my rifle will stabilize the 230 Hybrid although I am aware that 1:9 is better suited for those 230s.

I fully understand that if you post your exact loads, I will work my way up to them for safety reasons.
 

supercorndogs

Professor Dickweed
Feb 17, 2014
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#4
H1000 seems to be the go to. I just started with 7977 and the 208 a max. I used 4831SC for a long time. I never got eye ball popping velocity with the 4831SC, but it was very consistent. I have half a box of so of 230s to try out, but I have never got around to it. I had pretty good luck with the 210VLD and 4831SC too. I was shooting at 2700 with the 208 a max. I think ut was about 2750 with the 210 VLD, and 3000 with the 200ELD.
 
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Joe.grey

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Jul 14, 2018
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#5
H1000 seems to be the go to. I just started with 7977 and the 208 a max. I used 4831SC for a long time. I never got eye ball popping velocity with the 4831SC, but it was very consistent. I have half a box of so of 230s to try out, but I have never got around to it. I had pretty good luck with the 210VLD and 4831SC too. I was shooting at 2700 with the 208 a max. I think ut was about 2750 with the 210 VLD, and 3000 with the 200ELD.
Good info. If I remember right, 4831sc was suggested for the lighter bullets but not recommended for the heavier ones. It was apparently a bit too fast of a burn for the heavies...but as I said, that’s what I read and not personal experience.
 

supercorndogs

Professor Dickweed
Feb 17, 2014
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#6
Good info. If I remember right, 4831sc was suggested for the lighter bullets but not recommended for the heavier ones. It was apparently a bit too fast of a burn for the heavies...but as I said, that’s what I read and not personal experience.
Its kind of like RL15 with 140s in the 6.5 creedmoor, it works fine, but you can get more velocity with something little slower.
 

hic28

The Legman
Apr 2, 2017
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#7
Are you set on the 215/230?

I was shooting the 200.20x bullets in a 24” 1:10

I did minimal load development and this is what I ended up using for the NF ELR

Probably should have tweaked it a bit more but I didn’t have time. Made 2 consecutive hits at the 2nd furthest target 1800ish irrc so it was decent enough.

FC1C311D-C46C-4A2D-8F38-DED3BA7A019A.jpeg
 
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Joe.grey

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Jul 14, 2018
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#9
Are you set on the 215/230?

I was shooting the 200.20x bullets in a 24” 1:10

I did minimal load development and this is what I ended up using for the NF ELR

Probably should have tweaked it a bit more but I didn’t have time. Made 2 consecutive hits at the 2nd furthest target 1800ish irrc so it was decent enough.

View attachment 6933048
I’m not dead set on the 215/230 because if they don’t work in my barrel, I will have to look at other options. Thx for the info.
 
Dec 12, 2013
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#11
Hornady 212eldx is a very close and economical 2nd choice to the 215 berger. I have had good luck with 76-77gr h1000 pushing both these bullets at 2850fps out of 10 twist 22 inch ar rifles.
 
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FatBoy

Chris Hayes, Nashville TN
Jul 29, 2001
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#12
I don't have access to ELR, but I shoot 210SMKs, 215 Berger Hybrids and 230 Berger OTMs (the 230 hybrids were to long to mag load in an a191 chamber). My go to is Retumbo. I couldn't get H1000 to shoot with heavy bullets, my barrel just didn't like it. I can push the 230OTMS to edit:2800fps and get 6 firing on Winchester brass (FL sized and co-headspaced) before they get too sticky. The 230OTMS and the 215BHs shoot almost identical to 1250 yards.

The 210SMK shows real promise, but they are so expensive I don't know they are worth the expense over the 230s.
 
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Joe.grey

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Jul 14, 2018
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#13
I'd look at H1000 and 225 ELDs. I had no issue with stability in 1-10 twist with this combo out to a mile, 3-10 hits with a lot of wind and mirage accounting for the misses.
I'll ad the 225 ELDs to my list if all else fails. thx.
 

Joe.grey

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Jul 14, 2018
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#14
Hornady 212eldx is a very close and economical 2nd choice to the 215 berger. I have had good luck with 76-77gr h1000 pushing both these bullets at 2850fps out of 10 twist 22 inch ar rifles.
But how accurate is the 212 ELDx, after all, it was designed as a hunting bullet first, that inside ring must hav a negative effect on the stability at longer ranges no?
 

Joe.grey

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Jul 14, 2018
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#15
I don't have access to ELR, but I shoot 210SMKs, 215 Berger Hybrids and 230 Berger OTMs (the 230 hybrids were to long to mag load in an a191 chamber). My go to is Retumbo. I couldn't get H1000 to shoot with heavy bullets, my barrel just didn't like it. I can push the 230OTMS to edit:2800fps and get 6 firing on Winchester brass (FL sized and co-headspaced) before they get too sticky. The 230OTMS and the 215BHs shoot almost identical to 1250 yards.

The 210SMK shows real promise, but they are so expensive I don't know they are worth the expense over the 230s.
Yeah, I also eyeing those SMKs but they are expensive as f#ck!
 

Joe.grey

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Jul 14, 2018
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#16
Thx for the help all, I'll load a few rounds of 230s and shoot them out to 300m to see what the holes look like and see if they stabilize. If they don't, I'll go for 200-210 gr bullets and run them as hot as I can, once my barrel is shot i'll get a custom barrel with a 1:8 or 1:9 twist for the 230 gr Berger Hybrid Target.
 

CaiqueWhisperer

NC Star Pro Staff
Aug 16, 2018
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2
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#17
I'd look at H1000 and 225 ELDs. I had no issue with stability in 1-10 twist with this combo out to a mile, 3-10 hits with a lot of wind and mirage accounting for the misses.
I'm new at reloading, less than a year and I got excellent performance out of H1000 and 225gr ELD Ms, if I can get good results than a monkey can too. my velocities are higher than most with everything here in Vegas so my speeds are close to 3000fps with 75.5gr out a 29" barrel. I'm going to stick with 74.4-74.6gr, both gave me single digit SDs and 12 and 15 ES. At 1800yds they're very consistent but I try to shoot with low winds, under 10mph. Hornady brass wasn't that good for this rifle but some factory brass, MAI Ammo, is excellent so far.
 
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Joe.grey

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Jul 14, 2018
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#18
I'm new at reloading, less than a year and I got excellent performance out of H1000 and 225gr ELD Ms, if I can get good results than a monkey can too. my velocities are higher than most with everything here in Vegas so my speeds are close to 3000fps with 75.5gr out a 29" barrel. I'm going to stick with 74.4-74.6gr, both gave me single digit SDs and 12 and 15 ES. At 1800yds they're very consistent but I try to shoot with low winds, under 10mph. Hornady brass wasn't that good for this rifle but some factory brass, MAI Ammo, is excellent so far.
Thank you for that info. H1000 seems to be the go to powder.
 

Aimsmall55

Gunny Sergeant
Oct 23, 2010
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#21
And as far as the 230 OTM goes. I shoot 76.5 Retumbo at 3.618” coal ( AI MAG ). Shoots 2880 fps and I’ve taken 6 or 7 deer out past 875 yards. I think the furthest was 965 yards. It hits HARD and they were all drt. The 215 was very disappointing in terms of killing. Shot 2 deer that I lost due to no blood.
 
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