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Doublejs Member
Joined: Nov 29, 2007 Posts: 137 Location: SW Pennsylvania
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Posted: Sun Dec 02, 2007 8:38 pm Post subject: Retumbo Powder |
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Has anyone used Retumbo powder and have you had success with it?
I have heard that it is an awesome powder for magnum cartridges.
I am going to try it for my 338 RUM.
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Pitt55 Member
Joined: Aug 30, 2006 Posts: 104 Location: Prince George, B.C.
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Posted: Mon Dec 03, 2007 12:05 am Post subject: Re: Retumbo Powder |
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I have had very good results with Retumbo in a 300 RUM. 180 gr. slug at 3338 ft/sec. This is thru a Browning A bolt with 26" barrel. I think it's worth a try. Good luck
Don
_________________ I thought I was wrong once, but I was mistaken! |
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Coyote_Hunter_ Member
Joined: Mar 05, 2005 Posts: 208 Location: Franktown, CO
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Posted: Mon Dec 03, 2007 10:04 pm Post subject: Re: Retumbo Powder |
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Tried it in a couple cartridges. I think its too slow for anything but the largest cases. I got better velocityies with other powders.
_________________ Coyote Hunter
NRA, GOA, DAD |
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Doublejs Member
Joined: Nov 29, 2007 Posts: 137 Location: SW Pennsylvania
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Posted: Tue Dec 04, 2007 5:39 pm Post subject: Re: Retumbo Powder |
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Coyote_Hunter,
Were any of the cartridges magnums?
I am planning on using it for my 338 RUM and possibly 300 WBY Mag.
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Coyote_Hunter_ Member
Joined: Mar 05, 2005 Posts: 208 Location: Franktown, CO
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Posted: Tue Dec 04, 2007 10:13 pm Post subject: Re: Retumbo Powder |
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Yes, 7mm RM/140g TSX and .300WM/180g TSX.
I think you'll be fine with the RUM and WBY, especially if the barrels are over 24".
_________________ Coyote Hunter
NRA, GOA, DAD |
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Northern Canuck Member
Joined: Sep 18, 2006 Posts: 72 Location: Alberta, Canada
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Posted: Sun Dec 09, 2007 1:39 pm Post subject: Re: Retumbo Powder |
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Works good in my 300RUM. 175 and 180 gn bullets. Under 1 inch which I consider good. If I had one thing bad to say about it, it would be that it does not feed through the measurer as nice as ball powders.
Northern Canuck
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bradking1 Member
Joined: Mar 03, 2005 Posts: 53
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Posted: Wed Jan 30, 2008 10:36 am Post subject: Re: Retumbo Powder |
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i have used RETUMBO in 7mm rem's, 7mm STW, 257 wby, and 25-06...all have been wonderful performers. i think it is a great and stable powder...should work great on any overbore cartridge and it also keeps your pressures lower than other powders.
just my .02
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Deleted_User_2665 Super Member
Joined: May 06, 2006 Posts: 380
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Posted: Thu Jan 31, 2008 7:05 am Post subject: Re: Retumbo Powder |
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Retumbo absolutely rocks in the 300 RUM with 180 X's................
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Dirt Rookie Member
Joined: May 24, 2009 Posts: 2 Location: South Florida
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Posted: Sun May 24, 2009 3:43 pm Post subject: Re: Retumbo Powder |
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I`m loading 95 gr of retumbo in my .338 RUM with 250gr Sierra match king`s and getting sub MOA.
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