Nox the hipsters want to cry necro....us rednecks need to let natural selection run its course.
Airsoft mortars, WHILE AWESOME, there are few fields that can utilise their full potential. Large open urban fields are where they excel, especially with a skilled FO (Forward Observer) and mortar team. A place like Camp Rilea is a good place for one and many Californian fields.
You're better off using a M79 ;
http://www.airsoftgi.com/product_info.p ... ts_id=1618