How do you guys decide on a powder charge when running spherical propellants? Start loads? Halfway between start & max?
Depends on what I'm trying to do. If I need NATO-spec ballistics I buy the ammo. JMO, trying to duplicate M193 strikes me as a fool's errand. Some of my surplus chronos 3400 fps from a 20". Not going to try that with bulk once-fired brass. For MGs, plinking, and nothing I'd want to get hit with ammo a starting to middle charge behind a 55 gr fmj is gtg. As for which powder, tough to beat H-335 behind 55 gr fmjs. 24 to 25 gr will reliably cycle any gun I'd bet my life upon.
748, BLC-2 would get the nod for 62s and up.
Old fart such as I am, not up on the latest/greatest copper fouling removing, temp-insensitive, cleans your dentures while shooting powders. Maybe they really are better?
