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.300wby.. finally.

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/19/2010 at 21:16
pyro6999 View Drop Down
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OT TITAN

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well i finally got to shoot my .300wby today, and the circled group was the second group i shot. 74gr of imr-4831 and a 180gr sierra prohunter. the target and the scan aren't the greatest, but its what i have work with.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/19/2010 at 21:21
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Looks like it's a shooter. On a side note that's kinda a mild load for that Roy isn't it ?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/19/2010 at 21:22
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yeah thats what is sorta depressing, i tried all of the heaviest loads i loaded up except one, and none of them shot anywhere close to that group of three. its right in that 2900fps mark.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/19/2010 at 21:43
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Have you tried or sould I say are you going to try any H4831 ? Also, I think I read somewhere that Weatherby used to load that round with IMR-7828. Just a thought. You should be able to get 3100+ with 180's in the Roy.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/19/2010 at 21:47
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i loaded up imr-4831 h-4831 h-1000 h-retumbo and imr7828, the 7828 is the only powder i didnt get a chance to shoot today. none of them grouped like that 74gr did, most were in the 1-1.5" range. though.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/19/2010 at 21:48
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Just checked with my Nosler manual and they show 84.5 grs of 7828 w/180's @ 3185 fps ina 26 in tube and 80 grs of RL-22 @ 3132 fps.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/19/2010 at 21:49
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mine is a 24" tube and i used the nosler manual for most of the loads i made up.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/19/2010 at 21:53
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Just checked with what a "gunwriter recently said about the 300 Weatherby......
 
"

.300 Weatherby Magnum: The standard is a 180-

grain bullet and around 85.0 grains of IMR7828. This

combo generally gets 3100-3200 fps at the muzzle,

depending on barrel length.

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/19/2010 at 21:57
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 i have 84.5gr of 7828 loaded up but didnt have time to shoot it, im betting it wont shoot a smaller group either.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/19/2010 at 22:16
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Yea but it will kick like a Weatherby should though....
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/19/2010 at 22:29
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i did shoot one group of h-1000, 89gr of it actually. it was noticeably louder and the recoil was stepped up. thankfully the lead sled works well. that 24" tube is a lot louder than the 26" tubes on my .375H&H and my .264win.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/19/2010 at 22:31
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I was going to say maybe you should try some RL-22.  I shoot that in my 300 with great results.  I am pushing a 190 gr bullet about 3000 fps.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/19/2010 at 22:40
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i only have 50 cases to work with right now but i do have rl19 and rl22 on my load sheet to try, although with a group like that one do i need to? i shot 4-5 more groups after that good one, im not sure why but i did.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/20/2010 at 01:36
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What bullets are you using? May want to try diff bullets. My 300H&H did not want to shoot Noslers.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/20/2010 at 06:15
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180gr sierras, i think they shot very well myself. this is the third different variation of a .300 ive owned and the other two shot that bullet very well also.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/20/2010 at 06:43
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  I also agree with trying RL22.  My .300 has a bit less capacity than the Weatherby but my rifle also has a 24"bbl. The load I developed was with 180gr Hornady Interlock bullets which I was disappointed with on terminal performance(no fault of the bullet,just too much velocity for it)but was very accurate.
   75gr = 3097
   75.5 = 3118 (this matches Nosler #4 exactly,was very accurate,so it's my working load)
   76gr = 3140 (as you can see velocity is still increasing at a semetrical rate but due to possible
                         bullet stress I decided to stop here.)
 
   For the Weatherby,Nosler #4 shows a max load of 80gr of RL22 for 3132 out of a 26" pressure bbl with 180's. 
  The top velocity and most accurate load was with 84.5gr of IMR7828 at a velocity of 3185 (96% load density). 


Edited by 300S&W - September/20/2010 at 06:46
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/20/2010 at 10:33
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I also use R-22 and 190gr hornady SPBT with great results, try some R-22.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/20/2010 at 20:40
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rl22 is on my list, but i doubt any powder i try will produce a group that small. ive got loads from 76grs to 80gr on my list for rl22, rl25 is on my list as well, but i dont have any rl25.


Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2010 at 10:00
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But maybe it'll be close at higher velocity,

Edited by lucytuma - September/21/2010 at 10:00
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2010 at 12:04
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X = 180 Y = 90 (X+Pyro)+(Y-Pyro) = ?

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You were lucky to get a group like that with the bullet you wanted to shoot. I can't get anything under about 2" with the 180 gr. Gamekings that were going to be my "go to" deer bullet. But I can feed Silvia with anything 200 gr. and be golden. I would try the RL-22 though. I had good luck with that, and imr 7828. since I went to heavier bullets though, H-1000, and Retumbo have been my friend. I'm now pushing my 210 gr. custom bullet at 2980 fps with Retumbo.

Edited by trigger29 - September/21/2010 at 12:05
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2010 at 18:26
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At least you have one load to fall back on. Maybe it's not quite what you want velocity-wise, but if it shoots that bullet well, that's better than a lot of cartridges. (Well, as long as it's not kicking too hard). It's always a compromise. I think it's best to go with what will end up having the best terminal performance.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2010 at 20:58
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Originally posted by trigger29 trigger29 wrote:

You were lucky to get a group like that with the bullet you wanted to shoot. I can't get anything under about 2" with the 180 gr. Gamekings that were going to be my "go to" deer bullet. But I can feed Silvia with anything 200 gr. and be golden. I would try the RL-22 though. I had good luck with that, and imr 7828. since I went to heavier bullets though, H-1000, and Retumbo have been my friend. I'm now pushing my 210 gr. custom bullet at 2980 fps with Retumbo.

i used the pro hunter not the gameking, give em a try jason, they have shot well in all three of the .300s i have had over the  years.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2010 at 21:19
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Think I'm settled on the 200 gr. Bulldozer by Badlands Precision . Terminal performance so far looks amazing.... Tests are ongoing. Will keep you updated.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2010 at 21:21
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Sounds like an awesome bullet this bulldozer, would be nice to test them in a 300 win mag! WinkWhistling
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: September/21/2010 at 21:32
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X = 180 Y = 90 (X+Pyro)+(Y-Pyro) = ?

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Bwahahahahaha! Yes, it is nice. If the right people would get the right things in line, you might be testing them yet this year...... Hopefully.
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