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GoodCheer said:The bullet bases and the GM barrel bore are right at .402" with the lands barely biting into the perimeter. The barrel is the standard GM 48" twist.
The mold is the Lyman hollow point for a .40 pistol round.
I suspect this design will need paper patching if it will work without leading up the barrel, that otherwise there is insufficient lube for the pressure needed to expand it to the barrel. The twist is so slow that it cannot stabilize very much bullet. Small bullets do not have much inertia to create create expansion to the barrel. So it needs a lot of thrust...
Could the GM barrels with 48" twist work with something like the Lee tumble lube design paper patched? http://leeprecision.com/bullet-casting/hand-gun-bullet-molds/bullet-mold-double-cavity/[/quote]
Twist rate would the key to accurate shooting. My wife has a nice custom .40 I once hoped she could use for deer hunting. But, the barrel is a Douglas and, I suspect it is a 1:66" twist. I once measure the twist but have forgotten what it is. Either way, lead bullets would not be for everyday shooting. The occasional shot for sighting and hunting would be all you would want due to the leading situation.
Yep this sounds to me the way to go. .58 cal buck and ball 1 round and 3 buck.majg1234 said:how about a Howdah loaded with buck n ball :idunno: if ya want to use BP
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