A Sussex County man accused of illegally manufacturing guns is now facing additional charges, according to authorities.

Franklin Borough police say that Russell Watt was illegally making the firearms where he worked at MJS Precision on Cork Hill Road. Police uncovered 10 semi-automatic and fully automatic weapons. None of the weapons had serial numbers, according to police.

Police also found high capacity magazines and hollow point bullets.

Watt was arrested on Nov. 14 and charged with several gun offenses.

Franklin Borough police now say that an additional search warrant was issued for Watt's car and home on Nov. 16. Police say that they found another long gun with a high capacity magazine and another handgun, along with several hundred rounds of ammunition.

Watt is expected to have a detention hearing on Monday, Nov. 20.