Leonel, Here are MD restrictions. Maybe you find your answer here. budsgunshop.com/catalog/feeds/state_reg/maryland_restrictions.pdf

Leonel, no firearm specified for an accurate answer Sir. Just re-post with the model or item number. These are handguns that would meet your requirements : budsgunshop.com/catalog/product_info.php/products_id/62289/ruger+9mm+cmpt+35+blk%2fss+3316 ------------- budsgunshop.com/catalog/product_info.php/products_id/62290/ruger+9mm+cmpt+35+ally%2fss+3317 ----------------- budsgunshop.com/catalog/product_info.php/products_id/93603/heckler+%26+koch+h%26k+vp9+9mm+%282%2910r ------------ budsgunshop.com/catalog/product_info.php/products_id/73642/beretta+jxc9f20+px4+storm+compact+10%2b1+9mm+32%22

No gun selected but to be legal in MD it must be 10 rounds or less and must be on the MD firearms registry go here https://licensingportal.mdsp.maryland.gov/MSPBridgeClient/#/home on the lower left select filter by manufacturer and scroll down to the make you are interested in click on the make and it will display a list of the LEGAL guns