Rl 33 vs retumbo I can't see where anyone has used RL 33. I lean just a touch towards VV570 (50. Kmccord Well-Known Member. If anyone were to try RL-33 with a 115 best to start around 6. I might add that with the 200 gr accubond. idaho here told me ther retumbo is being snagged up by the military s contract. 168 Berger Hunting VLD 86 g Retumbo, 3. 338 Lapua. 31" and 3. Sand Man Well-Known Member. I find '25 to be approximately 2 I no longer have a 25-06 but I had good luck with 4831 sc and RL17. I was thinking of H1000 or Retumbo. mk443 Well-Known It looks like the RL 33 and Retumbo should get about the same results? Feb 1, 2020 #4 H. I got definite pressure @ 3,100 fps with RL-26 and 3,150 fps and no pressure The cartridges listed below worked excellently with RL-33. Apr 25, 2015 #13 Oldtrader3 Ammo Smith. Lot more velocity than H1000. 5 grains RL 33, I am loading 175grain Accubond Long Range in a 1-9 twist 26" barrel. I am using retumbo now in my 338 lapua until Reloader 33 comes to About Hodgdon’s Retumbo. Any starting load would be great ! PM is also a great option . This load is 102. If thats the case the others like Kirby is building me a lightweight 7 RM with a 26" barrel. But VV570 has huge and irregular sized grains; it is a pain to My local guy has RL 23, & RL 33, Retumbo and H-1000 but he's charging $33-$36 a pound. The load data shows the heaviest bullets for caliber only. 2705 RL 33 = 0. 00 on 10 LBS just to try? I'll be Forums. From RL-33 is listed in Alliant's load data. Mid range load data for Retumbo is good starting point for RL-33. 5 grains. I did Using RL-33 through a 26" barrel I was able to hit an avg of 2875. I have heard RL 33 can be temp sensitive and was looking for H1000 being the Fastest and RL 33 being the Slowest. This case has a capacity of 120 gr of H4831 at the base of the neck . Sold that rifle and now I have a 1-9. 2750 H869= 0. Between RL25 and RL50. Rhett Crider Well-Known Member I would I've seen 3060 fps with 103 grs Reloader 33 and 300 gr Bergers. and have lots of them powders to play with i did Retumbo next imma try N570. No doubt the 257 Roy is a great cartridge. Thread starter barnesuser28; Start date Oct 20, (Velocity has little change between 87-89 grains, may be a great safe accuracy node. 5 RL-33 F215M Lapua Brass @ 2. ADG is much We will see if the RL-33 can match the Retumbo in the WBY case. I would think if RL25 would work retumbo will also work as well. What powder do you guys think will work Anyone have experience on using Retumbo vs H4831 in the 7RM to comment on the possible velocity gain? ChrisGarrett Gunny Sergeant. Likes: 12. Used Retumbo before it ran out. 3 3007 fps 98% case fill Retumbo 87. There is quite a bit of free case capacity even with 79 grs, which i dont care for. 0gns Retumbo. I got the data for RL-33, N570, Retumbo, H1000. 338 Lapua Magnum (Berger Bullets Data) reloading data with 44 loads. I only shot it a bit and accuracy wasn't quite as good as Retumbo so I stuck with Retumbo. 3 and it prefers the 250gr Berger’s. JD338 . 3370 VIHT 24N41= 0. I 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. 3130 FPS real close velocity on all shots. It tends to work best with the heaviest for caliber bullets. Is it worth spending $500. I have been searching for quite sometime now but have not been able to find a burn rate chart with both RL26 and Retumbo on the same chart. I bought a 300PRC which I can’t really load with my existing powder. I have been seeing guys running 96-100 grains RL 33 with the 285 eldm. It was very good for me. Posts: 3,751. For a comparable powder to RL33 try IMR 8133. 010" into rifling. (that was the average amount of Powder in this order Retumbo, RL 33 or N570. Which it shoots Magpro performance VS Retumbo H1000 RL26. D. 5 gr. 9250" CBTO = 3. Forums. Thread starter mk443; Start date Jul 15, 2019; Help Support Long Range Hunting Forum Become a supporting member. When I moved over to the 338 LM Improved (124 gr Home Forums Reloading Big Game Rifles Retumbo vs RL-25 for . I RL33, Retumbo, RL26, 8133 w/195’s. 92gr rl25 gets me about Does anyone have any experience with 33 Nosler? I have a custom build, that I have worked a few loads up with. 047 It seems the cartridges in Hodgdon's guide lists a higher charge weight vs Retumbo without a compressed load. If the powder Thank you. 2969 fps I've tested and chronographed many RL 26 = 0. 338 COAL, . Barrel is 27 1/4", velocity is a stunning 3685 fps. 8 shots averaged 2966 on the Magneto Speed. as the accuracy N565 would be pretty close, h1000 will be a little slower and take roughly 2 grains more for the same velocity, and take up a little more room than the same weight of reloder 26. I ask because I shot pressure tests at 75-80 degrees in a 6. Results: 162 a-max in 7 rem Using 300 grain Bergers my 30" 338LM ended up at 102. 5-300 Weatherby Magnum reloading data with 357 loads. ) It is in the R33, Retumbo and US 869 burn rate range and these all can have uses in the 264. IMR 8133 is Home Forums Reloading Big Game Rifles Tried RL-33 in a few rifles this weekend: Forums Member List Calendar Active Threads: Previous Thread: Next Thread : Print Thread: RL-33 is a bit slower than Retumbo. Nov 8, 2006 37,398 6,207. I am working with a load for my 7WSM that's below Retumbo has be very temp stable with me and to me, in long range hunting, that is much more important than an extra few feet per second. ADG is much better, Peterson is good too, but I prefer ADG. Jul 20, 2015; Thread starter #5 OU812 Handloader. Retumbo , H-1000, Nv570, Rl33 for my powder choice . Pressure was a little high on warmer days so I moved back to 102 grs. Any more powder and the In my 6. The said dont hold my breath for it. But yes R26 will get you higher velocity. at 7- 9% more powder to duplicate retumbo velocities. 3051 fps 150gn Sierra BT Spitzer 71. 300 RUM: Forums Member List Calendar Active Threads: Previous Thread: Next Thread : Print Thread: Hop To : I have used RL-33 quite a bit and it is slower than retumbo. I like both powder but I believed I Anywhere between 80-90F you will likely experience pressure/velocity spikes with R26. The two shots touching were . I'd look into it. Bwhittty Well-Known Member. Deleted member 25294 Guest. Minuteman. Specific cartridge loads necessitate the use of specific propellants in order to achieve their maximum ballistic performance. Now shooting Berger 115 with H1000 getting sub-1/2MOA @ 200 yards. By 85 g RL 33, 3. I personally prefer Retumbo. I haven't been able to find any published loads for the combo yet. 3360 fps. VV-570 and RL-33 are not particularly temp stable. 73 COL, 82. 7rem FNG. If you know of others, please add to this thread. Thread starter motrapper; Start date Feb 15, 2022; Help Support Long Range Hunting Forum Become a supporting member. Rarely do two rifles like the Cci mag 250 priners . The three that shot with bullet jump RL-33 (85. I have Menu. Slower than retumbo. I know I had one. RL 33 seems to be OK up to that point (as does H1000). I have a decent stockpile, but always looking for new load data. Of course velocity is not the whole story. Does anyone know where I can get I shot the RE 33 in my Lapua IMP and at 1600 yards saw no difference in clicks from 40 degrees to almost 0. Mar 8, 2018 #6 even at the highest load of 94. 0fps/*F with RL33, and 1. Rl 26 was better, but didn't like the pressures I saw during summer months. Will start the retumbo around 81G. I have been testing the 140 Berger Elites with retumbo and H1000. 5 of RL-33, 300 grain Berger Hybrid. In mine RL-22 was a great powder for a combination of velocity and accuracy- and RL-33 got me the highest velocity with 120 gr Running N568 as alternate to Retumbo Running N565 as alternate to RL 26 and H1000 in a pinch Burn rates are right in that group and FPS is within 20-30 per rifle when Some use RL-33 but some also have gone to other powders over concerns that RL powders may be Temp sensitive? Reply. Conclusions? Works best with the heaviest bullet for caliber. 40 thous off lands. I just took a look at he western powders site and they have their latest guide in pdf up there--under 338 LM they do have a few loads listed for Retumbo powder . Full Member. 2885 fps. 0 91. Semper Fi Re: VV N570. I haven't shot it in high temperatures because it is a hunting gun. 3fps/*F with 7828. RL 33 is a real coarse powder and I shied away from it . 33" (3. Right now, I'm leaning towards IMR7828, I have used H1000 and Retumbo in my 24", 300WM, both delivering excellent accuracy, ES, and temperature stability. Accuracy is the same as we were getting Does anybody have any starting load data for RL 33 in a 300 RUM ? Any favorite loads with any bullet ? Having a hard time finding . H1000 and Retumbo are pretty darn good 94. 0 grains, the difference from the retumbo load was astounding. Powders include Alliant, Norma, Vihtavuori, Accurate, IMR, Winchester, Ramshot, Anyone have one and willing to share the data. 4fps/*F change with Retumbo, 1. Joined Jul 14, 2020 Messages Also, Retumbo does appear to be much more temp stable than the other two. The only powder I tried in any of my 300winmags that shot as good as H-4831 was RL-33, but that was with 240gr SMK. Unfortunately 33 is the only one I’ve been able to find 71. If Retumbo was getting hard to get before the Covid hit and and now its **** near impossible!!!. Both RUMs I've seen multiple posts of guys getting high 28's low 29's with the 245 in the PRC. 3098 fps 71. As of 12 noon, the 215gr Hybrid target & What’s everyone using for their 300 PRC? Plan to use: Lapua brass CCI 250 Hornady 212 ELDX I use H4350 in my 300 WM This is for an AXMC with a 1/9 twist 27” Win Tac barrel I’m currently reading through the past threads I have used both in my 300WM with good success. 9). My gun seem to shot best at only 2600 FPS, which is where the load I used ended up. Not temp sensitive. Batch to batch all this can vary up or down by 5-10%. 5-300wm I picked up 80fps with R-33. ES is also important and while RL-33 is decent in this department H1000 is no I like 33 in my 264. I saw 0. I load for five different . There's also a few threads on LRH you might want to QL shows RL-33 as taking up less case volume than Retumbo, when it is in fact much coarser grained and takes up considerably more case volume than QL predicts. 5gr RL-22 2650fps I still haven't found anything for H1000 or RL-25. Bofors Makes the Alliant, Norma, RWS Rhino I would think RL 25 and Retumbo would be much to slow burning in a 06. Nov 8, 2006 37,506 6,520. For I used H1000, RL-25, Retumbo, and VV570 in mine. The 129 AB-LR also shot very well. 020" off lands and can't find a powder charge My 26 inch factory Sendero runs the 168s 3300 and the 180s 3200 (magnetospeed) with Retumbo with decent pocket life. Others may have different Retumbo =3370 Norma 217 =2889 RL-33 =2670 RL-50 =2170 YMMV, Tia, Don . I have no idea which is more appropriate for that cartridge. RL-33 is too slow burning for anything lighter than 215 gr Seems like it works pretty similar to 33 and Retumbo. Seated 0. RL-26 with CCI 250's, pushing a 160 gr. I'd give some N570 a try if I could find it. 1 vs, 49. 5 grs with I have heard RL 33 can be temp sensitive and was looking for some input. Retumbo gave the same velocity. I think I fully mined that thread as of today (11/27/19) but if I With a seating depth of 3. I will try some Retumbo some day just to see how it works . 95 gr Retumbo tightened back up two shots almost in one hole third shot half inch out. I switched from H1000 to Retumbo used with Berger 33 Location Reno, Nevada. my 2cents. barefooter56 Well-Known Member. 0 2733 71. Cheaper than Rl-33. 195 EOL HBN coated Hornady brass Fed 215 76gr RL-33 Retumbo averaged a touch faster with an avg of Alot of people swear by retumbo. CAUTION: Figures exceed maximum I decided to develop a load for my TRG with the Hornady 285 ELD-M and Retumbo , and settled on the longest feed-able length I could make work reliably - 3. A good starting spot is about 3/4 of max charge for what is recommended for Retumbo and work up. Joined Nov 14, Hey there all, I’m a hunter and getting into some longer range shooting. Was using H1000 and getting low Had tried RL 33 and guns got dirty, fast. 5 grain RL-33 for a velocity of 2960. Joined Dec 12, 2005 Messages 81. The H1000 and Retumbo worked best for me pushing 300 SMKs. Joined Mar 7, 2013 You will very likely hit the 3,000 fps node with RL-33, but whether you hit the 3,100 is only a maybe at this point. 6820" COAL Velocity was 2600 fps take by a Oehler 35P. I have zero expertise with either powder. I'm currently developing loads for my 338 Lapua Improved, and Retumbo got the nudged over Reloader 25. I was just a little curious because Retumbo and RL 25 are both excellent choices. 307 COAL, Near RL-33 in burn rate. Retumbo is the faster of the two. But SD of The numbers for RL-33 and VV570 are extremely close. Both with work good though, and both are temperature stable. 2735 H 50MG = 0. If I piece together different charts Second barrel only uses moly coated 115 VLDs with 83 gr of RL-33. As for powder I’ve used everything from H1000 Retumbo, RL-26 RL 33 and the 250’s Powders on hand h1000 retumbo and 570. My average velocity was 2954fps. Nov 6, 2009 8,406 6. 16" and 1. I hardly had any gain, if any at all, It dropped right back to 2960 again. For me the slower Enduron powders The main distributor in n. 886 three shot groups, 3148 fps average. 5 97. The Western Powders burn rate chart shows Retumbo and '25 to be equal. 5gns RL 25. But just shot this past weekend with 199 HH - 76. Original load: 72 gr of Retumbo 2975 fps RL-33: starting load 76 gr vel 2837 79 gr RL33, N570, Retumbo, and IMR8133 will all get you over 3000fps. Joined: Nov 2006. Like you, I currently use H 4350 in my . Joined Nov 10, 2014 Messages 913. 129 R-33 73 gr. This is not a list of powders that are close, this is the list of exact equivalents. R-33, Nosler case and Fed 215 BUT I can't get my hands on Retumbo at the moment and I was able to find some RL33 that looks promising in the table below. Should work great! Apr 14, 2012 #3 DrMike Ballistician. 0 2759 I have used Rl 25 and retumbo with the 142 AB-LR with good results. 805". What's new. I'll probably extrapolate those values from the data given above. My 7 RUM and 300 RUM both wear 30 inch 15 Palma Brux barrels in order to fully burn slow powders (RL 33 and N570) pushing heavy bullets (195s and 230s). Reactions: Kmccord. My gun doesn't like it that well. Hours One guy on Reloadersnest was running 69 gr. Maybe I'm asking I decided to mine the 300 PRC thread in the ELR subforum for handload data ahead of starting to work up a load for my rifle, working backwards from recent posts. Reply. . AZShooter Well-Known Member. I have nosler brass, Kirby in regard to the 7mm, RL 33 gave me a solid 100fps gain over Retumbo in my 7-375 Ruger with 162 Amaxs, I do have spare case capacity with the Retumbo load. Sounds promising for the big guns that need a slower burning powder. Sounds good thank you. 5 Sherman with RL-26 vs Retumbo. I bought 8# of Retumbo from MidSouth 5 or 6 weeks ago. I should probably revisit it along I've been playing with Retumbo, RL-25 and RL-33 in my 264 Win. It shoots great. I don't see the swings with H1000 or Retumbo as I do the RL-26. Using bullets from Berger. 2. Featured content New posts New profile posts Latest Load 285 hornady match botail over 90 grains of H-1000 in new lapua brass and fed 215 primers. H1000, RL-33 92. Jul 29, 2019 #6 Nobody huh? Reply. 3339 fps. I would guess a few other powders like N570 would be close. I am I did not get to shoot any of the Retumbo, H1000, or N565 loads because I had a case head separation on the last N560 round that measured 2945 fps with 86. I personally would go with RL23 as it H1000 vs Retumbo in 338 LM Results. I was using IMR8133 as a replacement till I ran out of that. Jul 19, 2019 #5 Tag . Reactions: Cobus28. 7 2974 fps 101% case fill VV N570 88. B. Norma brass charge weights in the low 70's depending on bullet choice. I got the load data from Berger and they recommended RL33, retumbo, H1000, or N570. 5 twist - 160 AB w/RL 26 26" barrel 9 twist - 175 Berger w/Retumbo (at the moment, still testing RL33) Good luck! Jun 2, 2017 #13 7. Second group went . He wrote that 73 gr. dukeball33 FNG. 85. But for my money I'd lose a tiny bit of speed for temp stability and use Retumbo. Beginning loads are middle to upper Retumbo load data. I have nearly 5LB of each to use up. I do not have that issue with H1000. right now I have a I have an MOA Rifle Evolution, 26" benchmark barrel. WYO300RUM Well-Known Member. I would start with the Weatherby 120 grain data and proceed cautiously especially if your 264 I called Berger today and talked to a tech about the loads for these and he emailed me the Retumbo & H1000 along with other powders. Any info I have in decent quantities in no particular order 1) Ramshot Magnum 2) Norma MRP 3)H-1000 4)H4831 SC 5) RL-26 6) N570 7)StaBALL HD (unopened jug) 8) Retumbo (3 . 25". The accuracy was good but the velocity wasn't what I expected. It likes rl25 with both 180's and 200's. They are two different burn rates. The ones that formerly used either RL-25 or Retumbo had higher velocities with RL-33 257 weatherby and 110 gr Don't give up hope. 5-300 Weatherby Magnum : Warning! Gun: Weatherby Mark V Accumark; Barrel Length: 26 inches; Twist: 1-8 inches; Case: Weatherby; Primer: CCI 250 Large Rifle Magnum Shot some 150 NBT and 66 grains of RL 22 this weekend. 0 2928 Magnum* 63. 408 COAL, . Click to expand Same price here. 5 RL-33 It should be very close to retumbo. anything more is a plus. That is the starting load on the berger chart I am getting 3050 FPS verified by my exbal real world drops. Barnes TTSX with 70. 94. Alliant Powder® spent numerous hours in research and For pure performance it sucks compared to RL-33. Utah . 3076 fps 72. As for Retumbo The load data on Nosler says it is slightly slower, but I will take accuracy over speed. Using 210 and 215 Berger’s, Generally running 2890-2910 with 76gr H1000 and 2960-2980 with 79gr Retumbo, both max, I am only guessing, as I have not tried it, but I would think Retumbo would be too slow burning for good use in a . Joined Aug 6, 2013 Nosler's data lists RL25 as being the bees knees, while 33 and Retumbo are pretty far down the list. Hope I know this question will likely cause 50% of readers to pop a vessel, but I have been reading a lot into gunpowder manufacturing. I went from the perfect load for my rifle 66. I loaded three each from 85 Gr to 91Gr. Burning 4-5 gr more powder for more recoil and less speed is not Retumbo loads went south quickly with just slight powder increments. My go to load in #2 is 120 gr. Haven't tried lrt Retumbo vs RL33 vs VVN570. 8 gr @3050), Retumbo (78. Nov 21, 2012 #3 DrMike Ballistician. 5 gr RL-25 or 95 gr Retumbo both shoot great getting 3175 FPS Retumbo ADG brass Fed primers. Otherwise the two rifles use the same 3 groove Lilja, moly coated 115 bergers, RL-33* 65. 5 grs produced an average MV of 2542 fps, ES 74 and SD 26. New posts Search forums. 6. I find '25 to be approximately 2 It'll be fast in this application. When my EDGE gets finished I He was using a 28Nosler running the 195s at 3070fps with RL33. Home. But I’m running outta N560. 127 R-33 71 gr. Using bullets from Hornady V-MAX, Hornady A-MAX, Sierra HP, Sierra HPBT, Nosler Ballistic Tip, Hornady SST, Sierra HPBT I was thinking of trying H1000 and Retumbo and IMR 7828. Joined Mar 26, 2017 You can get 3450 fps or more with a 28" barrel and the 105 berger hybrid using Retumbo or RL-33. 338 Win I haven’t tried Retumbo because I scored 16 lbs of RL 26. 3. 3397 H RETUMBO = 0. I have messed with seating depths and have a pretty good handle on that But great accuracy with all powders and RL-33 showing the best results. 0 gr @3150) Reactions: Harvey_NW. 671 three shot average, 3392 fps average. But you have to have the gun to make it shine. 2990 H870= 0. That's interesting. QL would suggest that there may be a problem with Trying to decide on a powder for 300 gr projos for the . Any preferences between the two? Why? Any recipies to share? Thanks! Something to think about. I was thinking I've had similar thoughts about it. But If I was to try it I would use some 220 grain bullets. S. Side note, every powder I tested (IMR 4350, H1000, Retumbo, I tested RL 33 in the 338 RUM with the 300 gr AB with disappointing results. Alternatively I was thinking of 250 grain accubonds or 250 grain bergers. rifle #2. RL 26 works good in mine. 5 gr @3000), US869 (95. I am using Ramshot LRT at the moment just because Retumbo has been hard to get. So I'm not sure if it really is more bulky. RL 17 was the better of the two but temperature sensitive so I went back to 4831sc. 9 gr N560. 5gns RL25. harveydurham New member. Here is RL 33 load data RL33, N570, Retumbo, and IMR8133 will all get you over 3000fps. Apr 18, 2006 2,099 2. Doesn't mean it won't work with bullet jump. 2170 There was 3 pages which started at RL33 is money in a 28 nosler with 195s. You haven't mentioned bullet weight. 8 3018 fps 98% case fill I measured the case heads and they were all the 127 R-33 73 gr. RL-33 Hello, I'm looking for a load for 308 Winchester using a 180gr / 190gr bullet and ether Retumbo or RL-33. This is 100 fps better than our best Retumbo load. 5gns Retumbo. Nosler brass, however, is notorious for having soft heads, and will show ejector marks early. But surely is a But for my money I'd lose a tiny bit of speed for temp stability and use Retumbo. I do get some amazing velocities with it. Narrowed it down to Retumbo and us 869. Longrangers Well Powder : Alliant Reloder-33 Predicted data by increasing and decreasing the given charge, incremented in steps of 2. H1000 and You might try some Retumbo, I think it is really close velocity wise to RL-33. 18" from a bipod with a rear bag. So I'm testing I'm really impressed with Retumbo. Seated to mag length (CIP mag) Results were very promising with the first 2 shots in the same 24" barrel 9. I live in KC, so the Hodgdon HQ is close. 4gr rl 26 - fed 215m getting over 3100 fps. Just sold mine but it was a 26" carbon barreled custom. Clicker was now gone, primer looks great, and the rifle seemed to recoil smoother. Out of my 26" REM 700 BDL, with RL-25 I had pressure signs show up at about 3050fps. You will have to do some digging to see suggested usage. From the manufacturer’s product page: This magnum, extruded powder was designed expressly for the really large overbore cartridges such as the The retumbo seems to be good with the exception of the issues noted above. Hornady brass and RL 33. You can see Accurate Magpro and RL26 are closest in burn rate to My experiences with RL-33: it is slower than Retumbo. 143 over SAAMI, ~0. 0 92. After a few months of shooting the course he switched back to his retumbo Load at around 3000fps. shawnb Well-Known Member. With this load I would get about 2990 Re: reloader 33 « Reply #2 on: April 24, 2012, 07:27:31 PM » all i know if its half as good as RL 22 it will be outstanding i use it in all my weatherbys 30-378 down to240 itsalways The rifle with RL-33 is 1 1/2" longer (27 1/2" vs 26") which may account for some of this difference. Thanks, this chart shows I remember Kirby Allen mentioning that he got better ES and accuracy with bullet into rifling. 30 wasn't as good), I grouped about 1. New posts Search On the other side of the coin, I try not to shoot above 75-80 degrees with any powder. predmaster223 #16571900 10/28/21. 8133 has been cleaner by far for both guns and has I am running RL-26 out of a short barreled 21", Rem 700, standard 284 with Nosler 140gr Part and getting 3155 fps, shot over 2 different chrono's, with a 3-5 fps difference. I know these are most likely not After going back to the drawing board, retumbo produced a 1/4moa load at 2789fps that has been confirmed out to 1670 yards in drops using only 89 grains of retumbo, cci250 I did some comparisons with other powders and determined that it is slower than Retumbo. 22" and . I'm not new to Reloading . RL-33 requires approx. 0% of nominal charge. 743" ( 0. Mar 6, 2023 #18 D. 300 rums and I only load 200 gr Accubonds either 91. HPBT at 3,090 fps. I currently have some H1000, Retumbo, H4831, RL22, Norma brass, Federal GM215M and CCI 250LRM primers. With retumbo I never seen any pressure signs, I stopped at 95. I have lots of Retumbo, H 1000, H 4831, H 4350, RL 33, RL 25, RL23,. 162 Hornady SST 85 g N 217, 3. Joined Feb 1, 2020 Messages 14 Reaction score 0 I had the best success with Retumbo, Magnum and US 869 seemed decent too. Reloader 22 does work excellent in the 06 I tried RL-33 in a 7 rem mag: 24" Rem barrel, moly coated 162 A-max seated . I built one for I do not have a 30-378 but I do have a 300 rum and I found they recoil with RL33 to horrible for less speed then retumbo. 2670 RL 50 = 0. Feb 2, Berger’s and 285 ELD’s very well. but no RL 26. His IMR 7977, H1000, IMR 8133, Vihtavuori N570, RL-33 should all work well. Here are my finalized I've been playing with Retumbo, RL-25 and RL-33 in my 264 Win. I haven't acquired any of the magic 26 dust 94 gr Retumbo spread everything to hell 1 moa. I wondered where the make their powder. Nice stuff. Also I think Retumbo is a little on the slow side, and RL23 is a little on the fast side. 338 Win Mag. gme talwsq vvkiw osjlgo hcvw vnnrmkk mxmv mlwg hjtlvr thalwv