Home Forums Reloading Big Game Rifles Best powder choice for reloading 180 gr in 300 ultra mag?

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Best powder choice for reloading 180 gr in 300 ultra mag? #1343916 04/01/07 Joined: Aug 2005 Posts: 38 EL Campo, Tx T TxGunslinger OP Campfire Greenhorn OP TxGunslinger Campfire Greenhorn T Joined: Aug 2005 Posts: 38 EL Campo, Tx Do any of you have a an opinion of what is the best powder choice to push a 180 gr pill in my 300 ultra mag sendero rifle? Last edited by TxGunslinger; 04/01/07.

Re: Best powder choice for reloading 180 gr in 300 ultra mag? TxGunslinger #1343929 04/01/07 Joined: Jan 2005 Posts: 1,080 300WinMag Campfire Regular 300WinMag Campfire Regular Joined: Jan 2005 Posts: 1,080 I don't know much about the 300um but my 300wm loves RL-22.

Re: Best powder choice for reloading 180 gr in 300 ultra mag? TxGunslinger #1343930 04/01/07 Joined: May 2006 Posts: 5,226 M magnumb Campfire Tracker magnumb Campfire Tracker M Joined: May 2006 Posts: 5,226 I used RL25 when I loaded for the 180gr. Scirroco when they first came out. Both accurate and very good velocity. I use Rl25 with 200gr. NP's now and as above....I'm very satisfied.

Re: Best powder choice for reloading 180 gr in 300 ultra mag? magnumb #1343953 04/01/07 Joined: May 2004 Posts: 146 CA R richethec Campfire Member richethec Campfire Member R Joined: May 2004 Posts: 146 CA I use accubond 200gr and 80grof retumbo Heaven ...... Don't miss it for the world !

Re: Best powder choice for reloading 180 gr in 300 ultra mag? richethec #1345758 04/02/07 Joined: May 2005 Posts: 847 prdator Campfire Regular prdator Campfire Regular Joined: May 2005 Posts: 847 RETUMBO !!!!!!!!!!!!!!!!!!!!!!!! work up to 3300+ I started at 90 gr and max is 100.5

Re: Best powder choice for reloading 180 gr in 300 ultra mag? prdator #1346531 04/02/07 Joined: Oct 2005 Posts: 534 western co MackMan Campfire Regular MackMan Campfire Regular Joined: Oct 2005 Posts: 534 western co I load RL 25 94 gr. 180 TSX, 3282fps, and unbelievably accurate ! Charlie If Ignorance is bliss, then why aren't there more happy people If The gun was in the hands of the victim,there would be no murders,robberies or rapes.

Re: Best powder choice for reloading 180 gr in 300 ultra mag? MackMan #1347194 04/03/07 Joined: Apr 2005 Posts: 30,982 Likes: 6 USA J jwp475 Campfire 'Bwana jwp475 Campfire 'Bwana J Joined: Apr 2005 Posts: 30,982 Likes: 6 USA 96 grains of Retumbo for 3325 fps with 180 TXS or AccuBonds I got banned on another web site for a debate that happened on this site. That's a first

Re: Best powder choice for reloading 180 gr in 300 ultra mag? TxGunslinger #1347384 04/03/07 Joined: Apr 2007 Posts: 34 South Dakota J JustinY Campfire Greenhorn JustinY Campfire Greenhorn J Joined: Apr 2007 Posts: 34 South Dakota I'm not sure what kind of velocities I'm getting but mine is consistantly in the .5 moa with 180 gr accubonds and 91gr of H1000

Re: Best powder choice for reloading 180 gr in 300 ultra mag? JustinY #1349320 04/04/07 Joined: Dec 2000 Posts: 3,051 Cheyenne, WYOMING, USA POP Campfire Tracker POP Campfire Tracker Joined: Dec 2000 Posts: 3,051 Cheyenne, WYOMING, USA rl 25 and Retumbo!!!!!!!!!!!

Re: Best powder choice for reloading 180 gr in 300 ultra mag? POP #1351619 04/05/07 Joined: Jun 2006 Posts: 5,496 NW Montana highridge1 Campfire Tracker highridge1 Campfire Tracker Joined: Jun 2006 Posts: 5,496 NW Montana RL 25 1 and done

Re: Best powder choice for reloading 180 gr in 300 ultra mag? highridge1 #1354414 04/06/07 Joined: Oct 2004 Posts: 2,061 Central PA and AZ T Takman Campfire Regular Takman Campfire Regular T Joined: Oct 2004 Posts: 2,061 Central PA and AZ Retumbo with 180 gr BT/AB's. Get 3350fps and great accuracy out to 1000. Just because I am wandering around doesn't mean I am lost.

Re: Best powder choice for reloading 180 gr in 300 ultra mag? richethec #1355067 04/06/07 Joined: Jan 2003 Posts: 3,931 Oly.WA J Jamie Campfire Tracker Jamie Campfire Tracker J Joined: Jan 2003 Posts: 3,931 Oly.WA richethec: Have you run that load over a crony? The hodgdon manual shows 95.5 gr. of retumbo as max for around 3000 fps. Jamie

Re: Best powder choice for reloading 180 gr in 300 ultra mag? Jamie #1355148 04/06/07 Joined: May 2004 Posts: 146 CA R richethec Campfire Member richethec Campfire Member R Joined: May 2004 Posts: 146 CA Hi Jamie, I use 80 gr of retumbo in a 300 win mag. My bullet is a 200 gr accubond. it is going 3010 at the muzzel. 95 sounds like a LOT! I put 84 and it expands every case and makes it had to get out. Heaven ...... Don't miss it for the world !

Re: Best powder choice for reloading 180 gr in 300 ultra mag? richethec #1355157 04/06/07 Joined: Jul 2003 Posts: 4,017 Alberta Canada stubblejumper Campfire Tracker stubblejumper Campfire Tracker Joined: Jul 2003 Posts: 4,017 Alberta Canada I use r-25 with the 180gr tsx.Accuracy averages 5/8" at 100 yards with a velocity of 3380fps.

Re: Best powder choice for reloading 180 gr in 300 ultra mag? TxGunslinger #1355272 04/06/07 Joined: Feb 2001 Posts: 321 Lafayette.Indiana B Bill.338 Campfire Member Bill.338 Campfire Member B Joined: Feb 2001 Posts: 321 Lafayette.Indiana IMR4831.

Re: Best powder choice for reloading 180 gr in 300 ultra mag? richethec #1355308 04/06/07 Joined: Jan 2003 Posts: 3,931 Oly.WA J Jamie Campfire Tracker Jamie Campfire Tracker J Joined: Jan 2003 Posts: 3,931 Oly.WA Sorry, I thought you were loading that in a 300 RUM. Jamie