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Winchester Supreme 780 powder

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lucytuma View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote lucytuma Quote  Post ReplyReply Direct Link To This Post Topic: Winchester Supreme 780 powder
    Posted: October/12/2008 at 12:54
Any one out there try this new offering from Winchester, looks promissing in the .264 win/mag,  I want to try it, but can't find it at any of my local stores yet.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Big Squeeze Quote  Post ReplyReply Direct Link To This Post Posted: October/14/2008 at 11:54
Originally posted by lucytuma lucytuma wrote:

Any one out there try this new offering from Winchester, looks promissing in the .264 win/mag,  I want to try it, but can't find it at any of my local stores yet.
......The 780 like the 760 is used in Winchester`s factory ammo! I haven`t seen it here in Caaleee-fornia! I`ve never personally used it................Take a look on the Hodgdon site for reloading data on the 264 Win using the 780. According to that anyway, the 780 doesn`t really have a real big velocity advantage over the others.
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Dale Clifford View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dale Clifford Quote  Post ReplyReply Direct Link To This Post Posted: October/14/2008 at 23:43
pretty sure 780 is the older win MRP which was good stuff when used in over bore capacity and similar situations.
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Roy Finn View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Roy Finn Quote  Post ReplyReply Direct Link To This Post Posted: October/17/2008 at 21:20
I'm not real sure about this new powder as to where it falls in the burn rate chart. I believe it is ball type powder so that in it self gives it an advantage in throwing it through a powder measure. I would like to try some in my 06, 280 Ackley and my 300 Winne just for sh*tts and giggles. I also seem to remember Winchester stating that it wasn't very temp sensitive which is a big plus. I seem to recall seeing something Handloader magazine about this powder that gave more specifics.
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pyro6999 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote pyro6999 Quote  Post ReplyReply Direct Link To This Post Posted: October/17/2008 at 21:21
you need to try h-1000 in your .280AI roy, if you havent already
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Roy Finn Quote  Post ReplyReply Direct Link To This Post Posted: October/17/2008 at 21:53
Thanks pyro, but I could be mistaken, but don't they use that powder in the heavier bullet weights? I usually stick with weights in the 140-150 gr, but if you think it good, I'll give it a try. One powder I really want to try is the VV165 as I know alot of 280 Ackley nuts who swear by the stuff. I also have a ton of N560 that I'lll be burning as well. When I'm deer hunting stateside I use 140gr Ballistic Tips. Up north, I usually go with the 140gr Accubond (or as some refer to them as Accubombs). I have really tried any of the 160 class but maybe I should if you think it's worth the try.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote pyro6999 Quote  Post ReplyReply Direct Link To This Post Posted: October/17/2008 at 21:56
im using it in my .280 with 140's right now, i too am contemplating going to a 160gr accubond also, we will see

Edited by pyro6999 - October/17/2008 at 21:57
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Roy Finn Quote  Post ReplyReply Direct Link To This Post Posted: October/17/2008 at 22:17
One of the comtrbutors at the Campfire is Steve Timm, who many refer to him as the father of the 280 Ackley. He goes under the name of "dogzapper'. He, like many others over there really love the VV165 for 140's and 150's. I have always used IMR4350 with excellent accuracy and pretty good velocity. From what these folks are saying, VV165 is their current favorite for velocity and accuracy. I know that there are alot of hammerheads at the Campfire, but there are a ton of folks that are real rifle lunnies. Some are noted gunwriters, gunsmiths and a host of industry folks who are regular participants. If you can tolerate sifting through the knuckleheads there are some extremely knowledgeable folks there who offer great advise. One of the guys that I converse with fairly regularly is John Barsness, who in my opinion, is one of the best out there. He's a very down to earth guy as well.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote pyro6999 Quote  Post ReplyReply Direct Link To This Post Posted: October/17/2008 at 22:20
i enjoy reading barsness myself, he is a lot like boddington, knows his sh*t.
They call me "Boots"
375H&H Mag: Yeah, it kills stuff "extra dead"

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God Bless Chris Ledoux
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jbroadnax Quote  Post ReplyReply Direct Link To This Post Posted: October/22/2008 at 14:25
I have used 7 different powders in my 300wsm before settling on 780.  My gun loves the stuff!  Good velocities too!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote pyro6999 Quote  Post ReplyReply Direct Link To This Post Posted: October/22/2008 at 19:03
mine loved r-19 with 180 gr sierra pro hunters small group about 2980fps
They call me "Boots"
375H&H Mag: Yeah, it kills stuff "extra dead"

343 we will never forget

God Bless Chris Ledoux
"good ride cowboy"
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mr twister Quote  Post ReplyReply Direct Link To This Post Posted: October/23/2008 at 02:54
780 is a 4831 burn rate powder. Close to the old WMR. Measures better (more accurate) than 4831 SC. Probably a bit easier on barrels too. Available on line at many dealers, you just gotta do a bulk order to cover the hazmat fee. We have 200 powders and could get by with 10, but they are fun to try.
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