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Here is the results of some of the 'old' 250 grain Barnes X's. I had bought about 400 of them as they were boattails. I had never seen them before and haven't seen them since. Bought them back in about 1994 or so. Unfortunately I am down to 11 rounds. They are backed by 114.5 grs of H4350 and of course Fed 215's. I am now reading and trying to decide what I am going to replace them with... In all the years and elk I have shot the 250's I have only recovered one. It was on a bull that was quartering away at 446 yards. It entered just outside the left hip and lodged about 10 inches from it's right ear. It weighed 236 grains and looked just like one of Barnes advertisement pictures. ![[Linked Image]](http://i26.photobucket.com/albums/c103/lostrivercamps/3elkday014Largee-mailview.jpg) Muzzle velocity? I am guessing 3200 fps?
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10 shot string averaged 3248 fps. If there was a door prize I think Fotis would have won it! Anyone shooting the 260 Acubonds?
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Typo, big time. 114.5 is what it should have read. Curious to where you got the load data.
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Back when I bought my first 378 in 1990 I couldn't find any load data for 250's so I split the diff between 235 and 270's. I then worked my way up .5 of grain at a time, two three shot strings. I watched for primers to get flat, consistentcy in velocity and accuracy. This was the load that didn't show signs of pressure, only deviated about 10 fps shot to shot, and was the most accurate.
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Also, the most accurate bullet in the first rifle was the 250 Sierra boattail, but they exploded on animals like a varmint bullet.
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Typo, big time. 114.5 is what it should have read. Curious to where you got the load data. Barnes No.1 give 104.0gr of H4350 as max in the .378 Wby with the 250gr X.
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10 shot string averaged 3248 fps. If there was a door prize I think Fotis would have won it! Anyone shooting the 260 Acubonds? I have owned about 5 or 6 of them. Played with just about everything dealing with them that is out there. I am currently trying out the accubonds. 114 -115 of either H4831 or RL 22 is in the 3150 fps range. Also 112 gr of VN 560 got them out close to 3200 fps. Please work up... BTW Barnes #1 manual was extremely conservative.
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10-4 Fotis, thanks for the start. Any testing with 7828?
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Not yet (specifically with the 260 accubonds that is). But I would start at a leisurely 114 gr and work up.
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Not yet (specifically with the 260 accubonds that is). But I would start at a leisurely 114 gr and work up. Fotis, There is nothing leisurely about 114 grains of medium slow powder. John
When truth is ignored, it does not change an untruth from remaining a lie.
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Back when I bought my first 378 in 1990 I couldn't find any load data for 250's so I split the diff between 235 and 270's. I then worked my way up .5 of grain at a time, two three shot strings. I watched for primers to get flat, consistentcy in velocity and accuracy. This was the load that didn't show signs of pressure, only deviated about 10 fps shot to shot, and was the most accurate. Nic Pics ovishunter and like your 378. The big .375 really clobbers them at any range it seems. Good load developement methods.(lots of safety margin with the Mark V action.
It is better to be judged by 12 than to be carried by 6.
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Not yet (specifically with the 260 accubonds that is). But I would start at a leisurely 114 gr and work up. Fotis, There is nothing leisurely about 114 grains of medium slow powder. John That's got to be the Weatherby advert for next year. Good one.
It is better to be judged by 12 than to be carried by 6.
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Not yet (specifically with the 260 accubonds that is). But I would start at a leisurely 114 gr and work up. Fotis, There is nothing leisurely about 114 grains of medium slow powder. John That's got to be the Weatherby advert for next year. Good one. Fotis, You should PM "Mike378", I think you would find him interesting. John
When truth is ignored, it does not change an untruth from remaining a lie.
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John Even though I have a tackdriver 416 Bee, I still crave the 378.
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Try them all, only makes the .460 stand out more.
The .375 is more .375 that you need,
The .416 is 7/8ths of the real thing.
John
When truth is ignored, it does not change an untruth from remaining a lie.
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I only have a .375 Wby, but if I had a .378 Wby, I would really want to try out the 350gr TSX, which has a B.C. of 0.425. I assume you could get about 2,700-2,800 fps out of it out of a .378, which would be pretty wicked against really big things. North Fork makes 350g bullets in .375 caliber too ...
Regards,
Chuck
"There's a saying in prize fighting, everyone's got a plan until they get hit"
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It simply hard to beat a .416 caliber, weather Rigby Remington or Dakota. They penetrate from tail to tusk on elephant.
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It simply hard to beat a .416 caliber, weather Rigby Remington or Dakota. They penetrate from tail to tusk on elephant. And I hope the Weatherby will perform just as well...
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Well guys just bought another 378 Lasermark (5 panel). I also ordered a box of Barnes 250 gr TTSX's BC of .424. I will also try the 260 AB's. I will advise on accuracy and velocity! ![[Linked Image]](http://pics.gunbroker.com/GB/221905000/221905077/pix107756056.jpg) ![[Linked Image]](http://pics.gunbroker.com/GB/221905000/221905077/pix491524304.jpg) ![[Linked Image]](http://pics.gunbroker.com/GB/221905000/221905077/pix864245749.jpg)
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