Loads from the Lyman manual for 175 gr LSWC which should be fine for the lighter 170 gr (1.125" OAL):
- Unique 4.8 gr - 5.8 gr (911 - 1023 fps) (1.125" OAL)
From the Laser-Cast manual for 170 gr hard cast LSWC
- HP38 max load = 4.6 gr giving 983 fps (1.135" OAL)
- Universal max = 4.6 gr giving 1013 fps (1.135" OAL)
The only load I have used that is similar is 4.5 gr of w231 at OAL = 1.130" with a 170 gr LSWC, which worked fine. W231 is supposed to be pretty much the same as HP38.
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