remington 7400

tagalong

November 29, 2010 13:05

my 7400 is in 243 what is the best powder for 100 gr sp in a semi-auto?

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  oneoldsap

  November 29, 2010 14:17

  IMR-4064 or 3031 ought to work ! Those Rem. autos can be a pain in the butt to load for . Small base dies and a polished chamber are a great help !

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  je2140

  November 29, 2010 16:15

  Also need very soft primers, Federal, Winchester, or Remington, no CCI

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  grandman

  December 07, 2010 03:20

  Absolutly use small base dies, if you don`t the rounds will jam going in and be a lot of trouble to get out. I have a Remington 742 in 30-06 and I need to use the small base dies on it. Be patient when working up loads for it they are sometimes hard to get good reloads to shoot tight groups (semi-auto). I have a good load for my 06 in 125 gr.Nosler and 150 Barnes. So good luck.

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