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I'm going to start loading for a new gun purchase, question my son has had good luck with Rl25 and I just found some info on Hodgons Retumbo, have anyone of you done some test, also will need to cono it because I need to have my scope set up for 1000 yards - anyone with help would be appricated.
 
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Retumbo is a great powder, for those big magnum cartridges, I've loaded it in 7mm Rem Mag, and 338 rem ultra. Another powder to check out is IMR4350.
 
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Ive tested all the powders out there and found that the retumbo 102 gr load works best for mine with a 180 accubond. Shoots into a 5inch circle at 840 yds. The rifle is sendero early model.
 
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Ive tested all the powders out there and found that the retumbo 102 gr load works best for mine with a 180 accubond. Shoots into a 5inch circle at 840 yds. The rifle is sendero early model.

Quick question, My Nosler Books shows 99.0 Gr as Max load at 103% of compressed, how do you get 102 Grs in there and what kind of pressure is it creating? 99 grs is 3343 out the nose......
 
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Im using 97 gr retumbo and 180 nab at 3380 across the chrony gives me a 5inch group at 840 yds in my sendero and nxs 5 1/2-22 from a bench.love that gun so much I even shoot deer with it
 
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