45LC 250 gr LRNFP

hawkflyer

I have a surplus of 45LC 250 gr LRNFP's and a surplus of IMR-4227 and Wichester WST powders. I know that the WST works great in the ACP but cant find any data for the LC. Any good data out there for either of these powders? Thanks.

Rocky Raab

May I recommend the Hank Williams Jr load, as related by Mike Venturino?

Any 250-260 gr cast bullet
Firm crimp
21.0 4227 (either flavor)
WW or RP brass
Magnum primer.

You'll get 1,000 fps even from barrels as short as 4 5/8" and very good accuracy. You may see a few unburnt kernels left behind, but ignore them. An all-time great load safe even in Colt SAAs.

Butt

Lee Precision Data

250 Lead IMR IMR-4227 17.7
FPS 890
Remarks: never exceed; min. OAL: 1.600; 14,000 cup

Rocky Raab

Lee data is, of course, not tested by Lee. It is merely copied from somewhere else, and I cannot find a source that agrees with those numbers anywhere.

Lyman (which IS lab-tested) shows up to 20.3 grains under a 250 jacketed bullet as being safe even in Colt SAA revolvers. They show loads up to 24 grains in the Ruger-Only section. As cast bullets develop less friction and less pressure than jacketed, my suggested load of 21.0 under a cast bullet is just fine. Cutting that to 20 grains would be prudent if you have any doubts.