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Old June 3, 2000, 04:58 AM   #1
Hal
Senior Member
 
Join Date: October 9, 1998
Location: Ohio USA
Posts: 8,563
FWIW, but interesting.
Two different load from my Trapper.

.44Mag 240 gr Hornady lead SWC/HP over a charge of Unique-approx 1000fps= heavy leading and keyholeing.

.44Mag 240 gr Hornady lead SWC/HP over a charge of 2400-approx 1100 fps=no leading and pretty accurate.

I need a chronograph. Oh, Dear are you reading this? Pappa's day is pretty soon. Pappa needs a chrono!
Seriously, the charge of 2400 is 17 gr, which should be enough to drive the slug faster than the 9.2 gr charge of Unique. The recoil of the Trapper pretty much says the 2400 load is warmer than the Unique. When I switch over to a jacket round using the Unique, I have a very accurate load that shoots mild. I always thought that leading was a result of velocity, even after reading some stuff that stated the leading resulted from the hot gasses melting the back end of the slug. Without actual numbers taken from a chronograph, it's mostly conjecture I guess, but still, interesting.
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