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Joined: Sep 2018
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OP
Campfire Regular
Joined: Sep 2018
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I can't for the life of me pick which one to start with. I am working on some 243Win groundhog loads using the 75 grain speer hollow points. I have both win 760 and IMR4895 on hand to try. Anybody played with either of these with sucess? Gun is a Ruger M77 MKII. I prefer using one of the 2 listed since I already have them on hand
......the occasional hunter wielding a hopelessly inaccurate rifle, living by the fantastical rule that this cartridge can deliver the goods, regardless of shot placement or rifle accuracy. The correct term for this is minute of ego.
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Joined: Sep 2013
Posts: 288
Campfire Member
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Campfire Member
Joined: Sep 2013
Posts: 288 |
My little compact ruger American loves 760 with 58gr vmax’s and 90gr accubonds.
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Joined: Dec 2008
Posts: 78,300
Campfire Oracle
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Campfire Oracle
Joined: Dec 2008
Posts: 78,300 |
"...the left considers you vermin, and they'll kill you given the chance..." Bristoe
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Joined: Jul 2001
Posts: 60,052
Campfire Kahuna
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Campfire Kahuna
Joined: Jul 2001
Posts: 60,052 |
I have tried 760 in a number of cartridges over the past few decades. Quite often I was pleased with the accuracy and velocity--until the temperature changed considerably. IMR4895 may not be as spectacular, but its steady--which in my experience is more valuable as a hunting powder.
“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck
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Joined: Sep 2018
Posts: 1,186
Campfire Regular
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OP
Campfire Regular
Joined: Sep 2018
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I have tried 760 in a number of cartridges over the past few decades. Quite often I was pleased with the accuracy and velocity--until the temperature changed considerably. IMR4895 may not be as spectacular, but its steady--which in my experience is more valuable as a hunting powder.
When you say considerable temp change...you mean like a 60 degree swing? I would likely do load workup at maybe 30-40 degrees and would not see shooting it much above 80 since groundhog hunting will likely be after work and in the evening, I guess that could potentially mean a 50 degree swing. I did see that the velocity from both powders should be very similar...
......the occasional hunter wielding a hopelessly inaccurate rifle, living by the fantastical rule that this cartridge can deliver the goods, regardless of shot placement or rifle accuracy. The correct term for this is minute of ego.
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Joined: Jul 2001
Posts: 60,052
Campfire Kahuna
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Campfire Kahuna
Joined: Jul 2001
Posts: 60,052 |
760 would probably work OK in those conditions.
“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.”
John Steinbeck
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Joined: Nov 2015
Posts: 19,191
Campfire Ranger
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Campfire Ranger
Joined: Nov 2015
Posts: 19,191 |
W760 is my go to powder for the 243. I use it for everything between 58 to 90 grain. When I get into the 95 and 100 grain bullets, I usually find another powder that is a little better. I have never had a case high temps affecting my loads, but then I rarely shoot the 243 in hot weather, as I use it strictly for deer and coyote hunting.
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Joined: Apr 2004
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Campfire 'Bwana
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Campfire 'Bwana
Joined: Apr 2004
Posts: 42,697 |
use H 414 with 95 and 100 grain bullets in the 243.... during fall weather...
I use IMr 4895, with all bullet weights, in all seasons in the 243....
"Minus the killings, Washington has one of the lowest crime rates in the Country" Marion Barry, Mayor of Wash DC
“Owning guns is not a right. If it were a right, it would be in the Constitution.” ~Alexandria Ocasio Cortez
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Joined: Jul 2011
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Campfire Regular
Joined: Jul 2011
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W760 will give highest Velocity of the 2. I use it in my 7mm-08, same case. RL16 should work with heavier bullets if you
get enough in the case. It is very temperature. RL17 will give higher velocity.
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Joined: Aug 2008
Posts: 503
Campfire Regular
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Campfire Regular
Joined: Aug 2008
Posts: 503 |
I got very accurate loads with 75 and 85 gr. Sierra bullets using IMR 4895; never tried W760.
Increasing my post count so people will buy stuff from me
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Joined: Sep 2018
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Campfire Regular
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OP
Campfire Regular
Joined: Sep 2018
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Well I went with the IMR4895 because I have almost a pound of it and dont load anything else using that powder. Shot it today and with a max load ot shot .75 at 100 yards. Definitely shows promise
......the occasional hunter wielding a hopelessly inaccurate rifle, living by the fantastical rule that this cartridge can deliver the goods, regardless of shot placement or rifle accuracy. The correct term for this is minute of ego.
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