I need a good 300 win mag. load using IMR4350 180/gr. sst bullet

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04 February 2005, 18:12

mo.shooter

I need a good 300 win mag. load using IMR4350 180/gr. sst bullet

I dont need the max. load just a good allround load to shoot in 700 rem.

05 February 2005, 02:24

Savage99

mo,

I settled on 72 grs that gave about 3000 fps out of a 26" barrel. You have to work up. That load is max in Speer 12.

Try to load the bullets out as far as you can so the short neck can grip the bullet. Function comes first so check them in the magazine and that they don't catch in the lands. Note the caution on that cartridge in the Nosler manuals. That's a long bullet.

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05 February 2005, 02:28

rickt300

The SST is not a good all around load in the 300 Win mag, it's pretty soft. You would be better off with the Speer hotcor spitzer.

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07 February 2005, 06:33

mike_elmer

I'm working up a load using IMR 4350 and Sierra 180 grainers. It was shooting well in warm weather, but the cold weather caused the groups to open up, so I am going to try a Fed Mag Primer, and work it up again. I'm using 68 grains of 4350, chrono at the mid 2900. I'll keep you posted.

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16 February 2005, 07:28

PAHunter

HI Mo.Shooter

Here is my favorite 300 Win Mag load, out of a Ruger 77R.

Winchester case, CCI 250 LG Mag primer, Hodgon 4831 77 grains, Swift Aframe 180 grains, max lenght 3.33... shoots .5 in @ 100 yards, around 3040 fps.

Regards... Jim P.

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