Montgomery County Legal Firearm Discharge Area

The newly revised urban area (again, that portion of the County where the discharge of firearms is generally prohibited) is defined as “that part of the County within the following boundaries:

Beginning at a point where the Maryland/District of Columbia boundary line in the County intersects with the Maryland/Virginia boundary line on the southwest side of the Potomac River; running then northwest along the Maryland/ Virginia boundary line to the emptying of Watts Branch into the Potomac River; then northwest along the northeast side of the Potomac River to the emptying of Seneca Creek into the Potomac River; then north along Seneca Creek to Route 112 (Seneca Road); then east along Route 112 to Route 28 (Darnestown Road); then northwest along Route 28 to Route 118 (Damestown-Germantown Road); then north along Route 118 to Route 117 (Clopper Road); then northwest along Route 117 to Little Seneca Creek; then northeast along Little Seneca Creek to Black Hill Regional Park; then along the eastern boundary of Black Hill Regional Park to the Park’s southernmost intersection with 1-270; then northwest along I270 to Little Seneca Creek: then north along Little Seneca Creek to West Old Baltimore Road: then east along West Old Baltimore Road to Route 355 (Frederick Road); then south along Route 355 to Brink Road; then southeast on Brink Road to the Town of Laytonsville; then along the northern boundary of the Town of Laytonsville to Route 420 (Sundown Road); then east along Route 420 to Route 650 (Damascus Road); then southeast along Route 650 to Route 97 (Georgia Avenue); then south along Route 97 to Brighton Dam Road; then northeast along Brighton Dam Road to Route 650 (New Hampshire Avenue); then south along Route 650 to Route 108 (Ashton Road); then east along Route 108 to the Potomac Electric Power Company transmission line property; then southeast along the east side of the Potomac Electric Power Company right-of-way to Route 198 (Sandy Spring Road); then east along Route 198 to the Prince George’s County/Montgomery County boundary line; then southwest along the Montgomery County/Prince George’s County boundary line to the Montgomery County/District of Columbia boundary line; then along the Montgomery County/District of Columbia boundary line to the place of beginning. (Source – Montgomery County Government 2012)

http://www.montgomerycountymd.gov/Content/home/pdf/weapons_web.pdf