All of this arguing is a lost cause. Read this, taken from here-

http://www.dnr.state.md.us/huntersguide/weapon.asp

I find it interesting that draw locking devices are legal on vertical bows.

Vertical Bow Regulations

Vertical bows (compound, recurve, or straight limb) may be used to hunt nutria, woodchucks, and all game birds and game mammals, including migratory game birds, with the exception of beavers, long-tailed weasels, mink, muskrats, and river otters.

Draw locking devices are legal on all vertical bows except when hunting waterfowl.

Release aids are permitted.

For hunting deer and bear, the vertical bow shall have a full draw and pull of not less than 30 pounds.


Crossbow Regulations

Crossbows may be used to hunt nutria, woodchucks, and all game birds and game mammals with the exception of beavers, long-tailed weasels, mink, muskrats. river otters, and waterfowl.

The use of telescopic sights is permitted on all crossbows.
A crossbow used for deer or bear hunting shall have a draw of not less than 75 pounds.

All crossbows should have a working safety.

It is unlawful to have a ****ed crossbow in, on or leaning against any vehicle.


Regulations Pertaining to Both Vertical Bows and Crossbows

Arrows used for deer or bear hunting must have a sharpened broadhead with a metal cutting surface having a minimum width of 7/8 of an inch.

The vertical bow and crossbow may be used for hunting deer during the Deer Firearms Season and Muzzleloader Season, in accordance with Firearms and Muzzleloader Season regulations.

Firearms may not be carried while hunting deer during the Bow Season.

The use of poisoned arrows is not permitted.