im going to copy these VERBATUM out of several books mainly a book i picked up at a local gun show called "One book/one caliber The complete reloading manual for the .30/.40 krag" i hope they help, really the only one ive ever used out of these is the 220gr round nose because as im sure anyone here will tell you, the round nose bullets work the best without getting jamed from the magazine... PLUS the 220 is one of the two (from what i understand [and ive been known to be wrong around here]) bullet types used by the military. NOTE this is not mentioned by the book and i dont recomend changing anything that the book says unless youve got some experience with reloading and understand what the implications of changing any factor of a load....but i often use Spitzer loads for round nose bullets since a round nose load is often not available, but remember that a round nose bullet has more contact with the barrel and will result in more friction and slightly higher back pressures so keep the loads on the mild end of the spectrum (especially since we're dealing with 100++ year old guns here) ALSO loading info for Winchester bullets is scarce since everything you find is useing winchester powder (makes sense doesnt it) so you wont be finding any loads for "winchester" bullets here, but the best way to fix that problem is break out the magic marker and rub out "winchester" on the box, then they aint winchester bullets no mo (this isnt a terriable problem since i often buy bullets in a bag at the gun shop and who knows who made those)
LOADS FOUND IN "Speer Relaoding Manual 9"
150gr (spitzer) bullet IMR4895 42.0gr 2493Muz.Velo. 40.0gr 2363Muz.Velo. 38.0gr 2272Muz.Velo.
180gr (spitzer) bullet IMR4895 39.0gr 2207Muz.Velo. 37.0gr 2099Muz.Velo. 35.0gr 1976Muz.Velo.
LOADS FOUND IN "Lyman Reloading Handbook"
150gr (unspecified-jacketed) bullet IMR4895 MIN 41.0gr 2415Muz.Velo. MAX 45.0gr 2590Muz.Velo.
180gr (unspecified-jacketed) bullet IMR4895 MIN 38.0gr 3132Muz.Velo. MAX 42.0gr 2375Muz.Velo.
220gr (unspecified-jacketed) bullet IMR4895 MIN 36.0gr 1992Muz.Velo. MAX 40.0gr 2183Muz.Velo.
LOADS FOUND IN "IMR Powders loading guide" NOTE:i have a sneeking suspision that these loads were created with cast bullets in mind judging by their VERY conservative figures
150gr (unspecified) bullet IMR4895 MIN 40.0gr MAX 42.0gr
180gr (unspecified) bullet IMR4895 MIN 36.0gr MAX 38.0gr
220gr (unspecified) bullet IMR4895 MIN 31.0gr MAX 33.0gr
LOADS FOUND IN "back of bathroom stall door" (JUST KIDDING really found in "Sierra Relaoding Manual")
220gr (round nose) bullet IMR4895 32.0gr 1800Muz.Velo. 34.1gr 1900Muz.Velo. 36.2gr 2000Muz.Velo. 38.3gr 2100Muz.Velo.
NOW for some discussion, i was unable to locate any loads for a 120gr bullet (and i have many books to look at) BUT my educated guess, by useing the median of the 110gr load and the 130gr load which would put you at about 42gr or 43gr NOW REMEMBER i didnt say thats what came from a book and im not saying thats what you should use, but since ive never heard of a 120gr .30cal bullet we're kinda shooting in the dark, and if i happend to come across a literal ton of them for free, thats the point in which id start... i hope this helps, HAPPY SHOOTING
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