I disagree, crimp everything into a cannelure. The bullets dont set back from recoil, but from the shunting back they take as one is lifted out of the tube magazine. Any ammo you didnt shoot when you went hunting gets worked through the action to unload, and after doing that three or four times the ammo will start to set back unless your usng a bullet with a proper cannelure and with a proper crimp, and a proper crimp means a Lee Crimp Die.
anyway, assuming the OP knows what he is about on that matter, to answer the question - use AR2208, AR2206 or IMR3031, any of these is perfect. Whichever one you can find in the shops. I prefered 2208.
For a low powered load I would use AP70N, and use Unique load data. 7.5 grains and a 150 grain bullet will do about the same thing as the old Winchester 92 .44 or .38 loads used to do, and they were mostly used on bailed pigs in this country. 7.5 grains gets about 1100fps and 10-11 grains will get 1500fp.
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