Rule303
(.450 member)
15/08/24 08:18 PM
Re: Opinions on the great Norma calibers

Very good point Matt. I think Rem's twist rate for their Whelen was 1:16 In all my 35's I have a 1:12 twist rate.

In the 358RUM, 310 grain bullet: 90grains AR2217, 2525fps Max load with this powder. 84 grains AR2213sc, 2515 fps. Max load.

275 grain Bullet: 87 grains AR2209,2850fps.

I know the 358 Norma will not match the 358RUM (I have not tested most useable powder in it so info is limited) but slower velocities with the Norma with the heavy projectiles should not disappoint.

In the 35Sambar 275 grain bullet, 70grains of AR2209 gives me 2580fps. This is the area I would expect the 358 Norma to be in, probably a tad faster depending on powder.

All these bullets I have used are Woodleigh's.



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