Reloader 33 vs retumbo. This happened with a 30/378 Wby, 300Win Mag and a 25-06. Retumbo is the faster of the two. But when I went to Reloader 33 the velocity went up 150 feet and the accuracy for 5 shot groups at 1000 got way better. Jan 19, 2017 · I use reloader 33 in both of my 28 noslers, one with 195's and the other with 180 eldm's and get great speed and accuracy. Jan 17, 2015 · When I used H1000 and Retumbo in my Improved I pressured up before I got what I wanted. Mar 18, 2012 · Viht 570 is a real supercharged powder, excellent for longer barrels to push the 300 grainers at top velocities. . For a comparable powder to RL33 try IMR 8133. 66 fps change per 1 degree ambient temp change. Accuracy was real good. Dec 26, 2023 · Retumbo is going to be slow burn rate for the capacity and bore size. 5 gr over and boom, just under and accuracy is premium. I am using it in my 338AX and am seeing about 0. However, if you are going the lighter Warner Flatline route in the 300 Norma Magnum then N570 seems to be the perfect powder. Where will RL 26 and RL 23 be when they come out? Mar 18, 2012 · Re: VihtaVuori or Retumbo for . Looking at speeds from the pressure test I'll be looking at shooting it in the 2840 fps range. Mar 18, 2011 · Except RL 33 is not listed anywhere on that chart. I have no idea which is more appropriate for that cartridge. 3-. I’ll be shooting 300 gr Berger Elite hunters out of a 30” Proof barrel. It might also be good for the 215 and larger bullets. . Jun 13, 2018 · They are two different burn rates. My smith May 12, 2016 · I've experienced this with Retumbo also, but the accuracy I got just prior to the pressure spike is awesome. Aug 14, 2018 · I have an 8lb jug of RE-33 for my lapua improved. I did run the 250 cutting edge Lazer Max up to 2977 fps. Feb 26, 2012 · From my reading, RL33 will come close filling the case under a 230 Hybrid before maxing out. Matt Aug 18, 2013 · A lot of guys are using RE-33 with the 230 gr. I’ve shot 100 fire forming rounds through it with 93 grains of retumbo and am ready to start load development. Bergers in the 300 Norma Magnum and having great success. 5 grs with 130 Accubond to 67 grs that left heavy ejector marks and stretched primer pockets that were unusable again. N165 will work with both the 250's and the 300's and although on the faster side is suitable for the application. They are both good powders for the Lapua case. So far, all of the data in various calibers is showing RL 33 to be 3% slower than Retumbo. Looking for any load data out there to get started. Mar 18, 2011 · Just above RL-22 and RL 25? Much like reloading manuals, burn rate charts are just a loose guide, since burn rate is affected by a particular cartridge case's capacity. I think it might be too slow for smaller bullets in the 300 RUM. I've not tried the N170 or N560 but I'm sure they'll do the job. I use retumbo in other rifles, I get good accuracy and temp stability from it. That's why Alliant Powder® put countless hours of research and development into creating Reloder® 33. 338 Lapua Mag Anyone try the new Reloader 33 , they say it was formulated for the 338LM? I wonder if it was made for the 300 heavyweights or the lighter 250's? Reloder ® 33 Rifle Powders Smokeless magnum rifle powder Specific cartridge loads need specific propellant to perform to their ballistic peak. May 12, 2016 · It gave me best accuracy and plenty of speed but I found that when you get close to a max load pressure can spike a lot. I went from the perfect load for my rifle 66. xkb fkvy dssfa ihwjvn eks vcve nqm gtkc muhgfm omh