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C101, Here's a link to your load: http://recipes.alliantpowder.com/rg.taf?_function=centerfire&step=2&bulletID=244&cartridgeID=1068&caliber=7mm&cartridgedescr=Rem%2E%20Mag%2E&bulletdescr=Sierra%20175%20Spitz%20BT They only list max loads, and suggest reducing 10% for starting loads. The Sierra 175 is the only 175 that they list RL22, the others only have RL25. If it doesn't work, start at www.alliantpowder.com and follow it through. Hope this helps, Bill | |||
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This group, which measured somewhere around 0.303-inches for 5-shots at 200-yards. It was fired using a Ruger 77R in 7mm Remington Magnum with Leupold 12x optics Case: Remington Primer: CCI-200 Powder: 64.6 grains of RL-22 Bullet: Sierra 168 grain Hollow Point Boat Tail Velocity 15' from muzzle: 2,943 fps I also loaded some Nosler 175 Partitions with 63.2 grains of RL-22 and Remington 9-1/2M primers group size was a little larger, and velocity at 15' from muzzle was 2,903 fps. | |||
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I certainly won't argue with Steve's success. I would caution, however, that if 60 grains of H4831 is near maximum in your gun, then RL22 is only a tad slower, so Steve's 64+ grains may be too hot in YOUR gun. I think you would be safe to start with your the same 60 grains as your 4831 load and work up from there. | |||
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