I have 3 .30 cal moulds, a Lyman 195 gr., a Lee 200 gr., and a Lee 180 gr.. All are gas check style and I size them .309. I use a Lyman 30 short Neck Expand (M) die to expand the neck and that does a nice job of starting the bullet into the case. Since I shoot a contender, I'm not worried about cycling of the action. I like to shoot cast bullets subsonic and have tried Trail Boss with mixed results so far. 5.7 gr. (all most full case) only gets 850 fps with the 195 Lyman bullet from my SSK 21" barrel. Extreem spread is around 40 fps. I use 9.6 of Acurate Arms #9 powder with 220 Sierra Match Kings for 1060 fps with ES of around 25 fps.
21c.
|