Looks like a nice pistol.
Bullet weight/type
Velocity
Energy
185 gr (12.0 g) JHP 1,425 ft/s (434 m/s) 834 ft•lbf (1,131 J)
230 gr (15 g) JHP 1,250 ft/s (380 m/s) 798 ft•lbf (1,082 J)
230 gr (15 g) FMJ 1,250 ft/s (380 m/s) 798 ft•lbf (1,082 J)
255 gr (16.5 g) Bonded Core HP 1,100 ft/s (340 m/s) 685 ft•lbf (929 J)
Test barrel length: 5.5 in
Source: CORBON[1][2]
The .460 Rowland is a proprietary cartridge intended to attain .44 Remington Magnum level performance with a M1911-pattern semi-automatic
Interesting Ballistics but a couple hundred fps below 44 mag velocity's in each bullet weight doesn't bring to 44 mag level of performance .
In my 44 red hawks surpassing the above velocities isn't that hard to do.
After shooting and seeing some bears shot with a 315 gr WFN hard cast at around 1280fps and getting many feet of penetration . One 250lb bear shot in the chest exited right ham for over 4 feet of penetration.
Just a couple weeks ago I saw a 350lb blk bear killed with a frontal shot with the 315gr load one witness stated that bear just jelloed at the shot.
I shoot the same bullet out of my light Taurus tracker at 1100 fps the 1280 load is a bit much for that light of pistol.
A 255gr cast at 1100 is just a nice practice load out of my 44s.
A good 44 mag revolver is hard to beat.