I had a 223wssm, in a winchester super shadow. It was a barrel burner, but it did shoot the 53gr tsx very well, and it shot a few 75gr berger vld fine as well. I would not go to the trouble of messing with a 223wssm, a 22-250 does just about the same and brass is easy to get. I ran over 1000 rounds from mine, but the barrel is torched and the throat has moved quite a ways.
The rifle is in the middle of being turned to a 270-243wssm. It should be 100fps slower than a 270, but end up under 6 pounds scoped.
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