CAUTION: The following post includes loading data beyond currently published maximums for this cartridge. This loads are unpublished and "Ruger Only". Never attempt to use these loads in a firearm designed for 45acp. USE AT YOUR OWN RISK. Neither the writer, The Firing Line, nor the staff of TFL assume any liability for any damage or injury resulting from use of this information.
9.0gr shows at 21,351psi, 1115fps from 5.5"
If you're interested, it appears that Red Dot would be an excellent choice to meet your goal. 6.2gr would be 94% case fill, 100% burn with 40.9% ballistic efficiency (which is excellent, 28% is pretty good), develops 30,176 psi and 1,113fps.
Still happily answering to the call-sign Peetza.
The problem, as you so eloquently put it, is choice.
He is no fool who gives what he can not keep to gain what he can not lose.
-Jim Eliott, paraphrasing Philip Henry.
Last edited by Brian Pfleuger; August 11, 2012 at 10:04 PM.
Reason: Correction to abbreviation