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Joined: Jan 2009
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OP
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Joined: Jan 2009
Posts: 127 |
I currently have .308 caliber 150 grain ballistic tips, 165 grain ballistic tips, 178 grain a-max's, and 208 grain a-max's. Anybody have real accurate loads with these or similar bullets? If not other loads will still be appreciated. The rifle these loads may possibly be fired out of is a Remington 700 Sendero SF II. Thanks!
Shoot straight, shoot often
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Joined: Nov 2004
Posts: 373
Campfire Member
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92 gr rl 25, rem case, 200 gr nosler accubond, Fed 215M, OAL--as long as your magazine allows; probably around 3.650 or a little longer. Work up to this load as it may be too hot for some guns and also because RL 25 can vary in burning rate from one lot to the next. Velocity is usually around 3150. If that don't turn your crank you can keep all things the same except work up to 94 or 95 gr of Retumbo instead of RL 25. Some have great luck with this powder. Great hunting bullet, great BC, and its pretty much as tough as a partition. Just be sure to work up from lower levels as each gun is different.
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Joined: Mar 2007
Posts: 1,402
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I run ramshot magnum 95 gr. with 200 gr. Nosler partitions. This is max in Noslers manual. Goes 3100 fps. I did load some 165 sst bullets with reloader 25. I will have to find the load info and get back to you.
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Joined: Mar 2006
Posts: 7,471
Campfire Tracker
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I run 96.0 gr of RL 25 with 180 grain partition or accubond. average velocity of 3347 from my 26 inch barrel sako. Dink
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Joined: May 2005
Posts: 7,088
Campfire Tracker
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Campfire Tracker
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.300 Remington Ultra Mag Page 1. Bullet Load Powder O. A. L. Velocity Energy Comments 130gn Barnes TTSX 96gn* H 4831sc 3452 3 touching - .2 Mild 98gn* H 4831sc 3555 3649 Shoots into above, tight! 97gn Rel 22 98gn* Rel 22 3679 3908 Shoots into above - Warm load 150gn Sirocco Remington 3.569" 3582 4275 Hot Loads, loose primers + plunger marks Factory* Factory cases -.545", fired =.549" 150gn Part Gold 98gn AR 2213 3.640" 3557 4215 same powder as H 4831 96gn WMR 3479 4032 powder discontinued 96gn Rel 22 3606 4332 150gn Nosler SB 97gn AR2213sc 3.618" 3468 4007 same powder as H 4831sc 97gn IMR 7828 3487 4051 99gn AR 2217 3323 3679 same powder as H 1000 165gn Barnes XBT 94gn AR 2213 3.631" 3407 4254 same powder as H 4831 96gn AR 2213 3467 4405 165gn Woodleigh 102gn AR 2217 3.568" 3442 4342 Extremely Accurate @ .400" 168gn Barnes TSX 97gn* Retumbo 3.570" 3314 4099 Warm 101gn* Retumbo 3522 4629 Hot 102gn* Retumbo 3593 4817 Too Hot 95gn* Rel 25 3264 3975 Mild 180gn Barnes TSX 94gn* Retumbo 3240 4197 Good Load 96gn* Retumbo 3360 Hot 94gn* Rel 25 3226 4161 .437" Mild 180gn Barnes XBT 88gn Rel 22 3.631" 3140 3942 92gn AR 2213 3270 4275 180gn Woodleigh 101gn AR 2217 3.568" 3377 4559 Extremely Accurate @ .507" 96gn* H1000 180gn Nosler Part. 92gn AR 2213sc 3.618" 3238 4192 Remington Factory 3357 4505 Top Velocity 92gn IMR 7828 3232 4176 190gn Hornady BT 90gn IMR 7828 3.616" 3105 4068 Mild Load 200gn Accubond 94gn* H1000 3084 4225 Shooting into 130 TTSX group - perfect. 94gn* Retumbo 3164 4447 Sighted - .5 MOA load but top end. 85gn* Rel 22 87gn* Rel 22 3167 too hot - 85gn MAX. 93gn* Rel 25 .300 Remington Ultra Mag Page 2. Bullet Load Powder O. A. L. Velocity Energy Comments 200gn Nosler Part 94gn* H1000 3120 4324 Shoots into 130gn TTSX Group 92gn* Retumbo 93gn* Retumbo 3147 4400 Too Hot - Sticky Extraction 85gn* Rel 22 93gn* Rel 25 90gn IMR 7828 3.607" 3090 4241 Mild load, MOA 200gn Speer SP 86gn WMR 3.645" 2973 3926 88gn Rel 22 3.630" 3163 4444 220gn Woodleigh 90gn* Retumbo 91gn* H1000 91gn* Rel 25 220gn Sierra RN 80gn WMR 3.557" 2716 3604 86gn Rel 22 2876 4042 NOTE: Loads marked with *asterisk, were fired in Winchester Model 70 Stainless. All other data chronographed in 2 separate Remington 700 stainless rifles. Oehler 35P Chronograph used for all load development.
JW
When truth is ignored, it does not change an untruth from remaining a lie.
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Joined: Jan 2007
Posts: 1,799
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I've ran:
150IB's over 95grs of R-22 for 3650fps 168TTSX's over 100grs Retumbo for 3450fps 180NAB's over 97grs Retumbo for 3375fps
All had good accuracy but the 180's are my main longish elk load...
Work up to these charges in your rifle
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Joined: Mar 2009
Posts: 44
Campfire Greenhorn
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Campfire Greenhorn
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100gr Retumbo, Rem brass. CCI mag primers,180 gr barnes TSX.
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I think that Retumbo and 200gr Accubonds were made to shoot in the 300 RUM. This combo has shot great for me in a couple different 300 RUM's...............................DJ
Remember this is all supposed to be for fun.......................
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Joined: May 2005
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I think that Retumbo and 200gr Accubonds were made to shoot in the 300 RUM. This combo has shot great for me in a couple different 300 RUM's...............................DJ There are relatively few cartridges that ever come along where a bullet and powder combination is deemed so perfectly matched by the majority of users. The .300 RUM with the aforementioned components is one such cartridge combo. You will see from my own notes that I too favored this very combo. We may vary a grain or so by rifle to rifle, but the Retumbo / 200gn Accubond is a superb hunting rifle combination capable and suitable to all, save a very few animals, interationally. JW
When truth is ignored, it does not change an untruth from remaining a lie.
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Joined: Jan 2003
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The best load I've found for my 300 RUM is 95.5 gr of Retumbo and a 200 gr accubond.
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Joined: Jan 2007
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I'm tryin to fight the urge to run 200's...
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Joined: Sep 2011
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The best load I've found for my 300 RUM is 95.5 gr of Retumbo and a 200 gr accubond. . Couldn't agree more
Keep your head on the stock,wood on wood
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Joined: Jan 2010
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200 grain Accubonds, and a stiff charge of Retumbo or RL-25, whichever works best. mtmuley
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Joined: Feb 2011
Posts: 17,790 Likes: 1
Campfire Ranger
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Campfire Ranger
Joined: Feb 2011
Posts: 17,790 Likes: 1 |
RE 25 and 200 gr. Accubonds were my favorite.. Plus the same powder and 150 gr. BTBT for coyotes..
Molon Labe
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Joined: Apr 2011
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Campfire Kahuna
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Campfire Kahuna
Joined: Apr 2011
Posts: 69,275 Likes: 12 |
180 Nosler Partitions and 97 grains of Retumbo
"Allways speak the truth and you will never have to remember what you said before..." Sam Houston Texans, "We say Grace, We Say Mam, If You Don't Like it, We Don't Give a Damn!"
~Molɔ̀ːn Labé Skýla~
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Joined: Sep 2011
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The best load I've found for my 300 RUM is 95.5 gr of Retumbo and a 200 gr accubond. . I couldn't Agee more, just 95.6 in mine
Keep your head on the stock,wood on wood
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Joined: Nov 2015
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I am bringing back this thread as I have a couple questions for you guys shooting 200 accubonds and retumbo...I took out my buddies 300 RUM that I am doing load work for and shot today to break her in. I only loaded H1000 today as it seems to have some good recommendations. I didn't play much with seating depths, just loaded to max length that would still fit and feed in magazine (3.650) and loaded rounds at 90, 90.5, 91, 91.5....The 90 grain group produced a .94" group at a 3070 FPS average....The rest of the loads all opened up and averaged 1.5-2.5" maxing out at 3200 FPS....Need to do better than this considering the quality of rifle, optics, componets, ect.
Sooooo....it seems Retumbo and the 200 grain accubonds are very popular and successful combo for many. My question is were do I start? The Nosler manual 8 shows a max load of 91.5 grains at 3070 FPS (24" barrel)...Yet many are saying loadings in the 94-95.6 grains are there go to loads....Is the manual a little to cautious? Are these 94-95 grain loads super hot?
My goal is to have the 200 grain accubonds shooting tight clusters in the 3100 FPS range - I would be happy with that at with a 26" tube - shouldn't be too much hassel. On a side note, I do believe the rifle has a pretty standard if not touch tight chamber as the rifle was showing slight pressure at 91.5 of H1000 and the nosler max shows 92????
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Joined: Mar 2004
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If I were you I would start pretty light and just watch the velocities on the Chronograph. I would be very careful of velocities much over 3100fps with 200gr bullets. If you find a load in the 3050-3100 range that shoots well it would be golden. If I were shooting that same rifle again with a new lot of Retumbo I would do the same and rework up the load. over 9yrs powder lots can vary. My new lots of H1000 are giving me much better velocities than before as just one example.........
Remember this is all supposed to be for fun.......................
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Joined: Feb 2005
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Campfire Outfitter
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Campfire Outfitter
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What brass are you using? Brass capacity varies quit a bit between the available 300 rum brass(Hornady has 3 grains more capacity than Norma for instance). Hornady has the most capacity and is the best for the 300 rum followed by Remington, which hasnt been made in over a decade.
Last edited by BWalker; 04/16/18.
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Joined: Nov 2015
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I'm running new Norma Brass...Picked up 75 pieces from sportsmans so that is all I will have access to.
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