The cannonball, about two inches in diameter, smashed through a window and a wall before landing in a closet. Authorities say nobody was hurt.
State police charged Maser with reckless endangerment, criminal mischief and disorderly conduct.
No one answered the phone Friday at Maser's home. He tells WPXI-TV recreating 19th century cannons is a longtime hobby. He says he is sorry and he will stop shooting them on his property, about 35 miles southeast of Pittsburgh.
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