Are you sure or am I missing something?For it to be legal in MD, it has to be rated by the manufacture at over 1200 Ft/LB
I am "guessing" that is "Close to 1100-1200 with a 16.5 barrel.
Can you hunt with a pistol in MD?
Handgun Regulations
Any modern handgun used for deer and bear hunting must have a barrel length of 6 inches or more and use ammunition which produces a muzzle energy of 700 foot-pounds or more. Muzzleloading handguns (both single shot and revolvers) may be used to hunt deer in all counties.