Blackhawk is big in the frame, heavy and has a small grip like the colt so it "feels" off. Where the colt (and accurate copies) is smaller/lighter in the frame and feels right in its grip. .
Blackhawk's a fine and durable gun and for happy/joy fast shooting like SASS, I'd recommend you update it to the 1860 Colt Army 44 Grip. Its 3/8" longer for a full 4 finger grip, somewhat slimmer for average size hands to get a fine grip, back strap is closer to the trigger so you don't have to stretch your trigger finger to reach it, inner trigger loop is slightly further away so the trigger guard won't beat your middle finger as much with heavy loads.
Going with smaller birdshead grips (not counting the lightning grip, its great!) on the blackhawk is falling into a deep dark inescapable pit, especially with the larger calibers, you just loose too much control/repeatability.
Overall, the 1860 grip is the best holding best pointing grip for about any SAA (lightning is #2) and it really helps balance out and control the larger heavier blackhawk.
The draw back is you have to do the conversion at home or find a gunsmith to do it. I always use the Italian parts (uberties/pietta) and have converted several. With hand tools you can do the conversion in a weekend.
The 1860 Army Grip is the largest and closest to the trigger. Many sizes. The smallest are on the old Pietta/CVA percussion guns from the 80s and 90s. The late model uberti's and piettas, are closer to full size, with the pieta being bigger/closer to original than the uberti. But, as...
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I think its going to work. A lotta work but.....we'll see.
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