"Surprisingly !" The RCBS 9mm-147-FN Part # 82077 will outshoot any of my other cast bullets @1000fps using my S&W 686 revolver. Bullet drops from mould @ .358" using #2 alloy. I size nose first in Lee sizer to .357", but bullet springs back to .3575 after sizing. I then lube in RCBS Lube a Matic with mixture of 80% SPG and 20% Lyman Molly stick lube. Bullets are seated using Hornaday inline hollow stem seater in Starline 357 magnum cases and then roll crimped onto front scaper band (1.600 cartridge length). I used 5.5 gr of Tin Star powder and standard CCI small pistol primers for a velocity of about 1000fps. Other powders will also work with this sleeper bullet.
I can also seat bullet out farther so that front band will be close to touching forcing cone of cylinder (1.850" cartridge length), bullet is crimped in front grease groove. Be careful so that nose of bullet does not protrude front of cylinder. I have not tried shooting them at this longer length.
The online Alliant Reloading manual page 64 list several Cowboy loads with this bullet in the 38 Special.
http://www.alliantpowder.com/resourc...eloadersguide/
The two 9mm bullets are on far left in picture. Bullet is seated out far to 1.850" length in 357 case (not tested yet). I have only shot at 1.600" seated length with bullet roll crimped onto front drive band.