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New to the forum and new project

 
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  #15  
Old 07-06-2011, 04:49 PM
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Re: New to the forum and new project

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Originally Posted by liltank View Post
Don't mess with it until you take it out further! Unless of course you don't get the speed you want.

Tank
Roger..... I would really like to see over 3K out of this 210 Berger. Most load data I have shows that 7828 is not the best for velocity (I happen to have 5lbs of it, that's why I started with it), but if I can reach that goal I'll stick with it. Otherwise I'll try some Retumbo or other powders for the velocity I seek..
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  #16  
Old 07-06-2011, 05:52 PM
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Location: Central Pennsylvania
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Re: New to the forum and new project

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Originally Posted by durak View Post
Roger..... I would really like to see over 3K out of this 210 Berger. Most load data I have shows that 7828 is not the best for velocity (I happen to have 5lbs of it, that's why I started with it), but if I can reach that goal I'll stick with it. Otherwise I'll try some Retumbo or other powders for the velocity I seek..
I think that H1000 and RL25 are the velocity kings in the 210/300RUM combo for almost 3200fps. Maybe even RL22.

Unverified load 5149 in caliber .300 Remington Ultra Magnum Similar load data for ya

Unverified load 6550 in caliber .300 Remington Ultra Magnum

Unverified load 6173 in caliber .300 Remington Ultra Magnum

Unverified load 5403 in caliber .300 Remington Ultra Magnum

Load 1 detail in caliber .300 Remington Ultra Magnum
LoadID=8343

Load 11139 detail in caliber .300 Remington Ultra Magnum

I know some of these aren't the weight bullet you use, but should give you some indication where to start and see what other people are getting.

Tank
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Matthew 7:13-14
"Enter through the narrow gate. For wide is the gate and broad is the road that leads to destruction, and many enter through it. [14] But small is the gate and narrow the road that leads to life, and only a few find it.

If you find your self in a fair fight, your tactics suck!- Marine 1st Sergeant Jim Ryfinger

Friends don't let friends develop canonitis!-chucknbach

arguing over the internet is like the special Olympics....even if you win, you are still...special!
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  #17  
Old 07-06-2011, 06:16 PM
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Join Date: May 2011
Posts: 169
Re: New to the forum and new project

Quote:
Originally Posted by liltank View Post
I think that H1000 and RL25 are the velocity kings in the 210/300RUM combo for almost 3200fps. Maybe even RL22.

Unverified load 5149 in caliber .300 Remington Ultra Magnum Similar load data for ya

Unverified load 6550 in caliber .300 Remington Ultra Magnum

Unverified load 6173 in caliber .300 Remington Ultra Magnum

Unverified load 5403 in caliber .300 Remington Ultra Magnum

Load 1 detail in caliber .300 Remington Ultra Magnum
LoadID=8343

Load 11139 detail in caliber .300 Remington Ultra Magnum

I know some of these aren't the weight bullet you use, but should give you some indication where to start and see what other people are getting.

Tank
Thanks...Some of those loads were showing 7828 over 3K with 26" barrels - with my 30" barrel I should already be there. Also, I noticed that one load was using 7828SSC, I think you can use more of that powder for more velocity without adding a lot more pressure. RL25 has had some issues where I live, it seems to not like the heat and seems to change with the weather. I have some H1000, I'm going to try it next. It's going to hard to beat my first load!
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  #18  
Old 07-08-2011, 10:43 PM
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Join Date: May 2011
Posts: 169
Re: New to the forum and new project

Well... did more shootin today - raised my load a couple grains to get 3K - all three shots came in at 3018, 3018, 3017! After looking everything over I found that I'm not even close to max. My issue was hard extraction - I found that the cam effect on the bolt was not working properly (old action) fixed it up and now no issues.

Here is my 3 shot, 100 yd group....I measured it at .157...off the bipod and rear bag. That should give me plenty good accuracy at 1k and beyond. Next week I'm going to try more powder to gain a little more velocity, as I think there is more..
Attached Thumbnails - Click to View Larger
New to the forum and new project-.157.jpg  
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  #19  
Old 07-09-2011, 05:46 AM
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Join Date: Nov 2008
Location: Central Pennsylvania
Posts: 4,022
Re: New to the forum and new project

Looking pretty sweet. How did you get the holes in the target without going through the backing board? Thats a pretty neat trick!

Tank
__________________
Matthew 7:13-14
"Enter through the narrow gate. For wide is the gate and broad is the road that leads to destruction, and many enter through it. [14] But small is the gate and narrow the road that leads to life, and only a few find it.

If you find your self in a fair fight, your tactics suck!- Marine 1st Sergeant Jim Ryfinger

Friends don't let friends develop canonitis!-chucknbach

arguing over the internet is like the special Olympics....even if you win, you are still...special!
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  #20  
Old 07-11-2011, 10:35 PM
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Join Date: May 2011
Posts: 169
Re: New to the forum and new project

Quote:
Originally Posted by liltank View Post
Looking pretty sweet. How did you get the holes in the target without going through the backing board? Thats a pretty neat trick!

Tank
Good catch! The 210 Bergers have an issue with penetration!
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  #21  
Old 07-16-2011, 04:30 PM
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Join Date: May 2011
Posts: 169
Re: New to the forum and new project

Well - I went out today to try the new gun at distance - didn't work out as well as I thought it should. I built data on the G7 calculator, and went to it.

First shot at 400 was high - I believe my adjustment was 5.3 MOA - I ended up at 3 MOA to hit the plate.

I then moved to 500, adjusted 7.6 MOA, ended up at 6.5 MOA for a hit.

On to 600, adjusted 10.1 MOA, ended at 9 MOA for the hit. 800 yards, 15.6 MOA, ended at 13.5 MOA.

Can these calculators be that far off? My inputs were spot on from elevation, temp, baro pressure, BC, and velocity. Is there something I'm missing? I do remember reading somewhere that bullet BC's can change at different velocities, could this be a factor I missed? If so, how do you fix that in your adjustments?

One thing I can say is that these 210 Bergers will punch holes in a 3/4 steel plate at 800 yards!
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