Holy Cow Grandpa are you ready for WWIII?

Police say a 72-year-old Auburn man will face criminal charges after investigators found 85 guns and 800 pounds of ammunition in his home, most of them stored improperly.

Investigators zeroed in on Anthony Simulynas after a Worcester resident who was arrested for illegal possession of military-style explosives and assault weapons said he stole a powerful machine gun from the elderly Auburn resident.

The Worcester Telegram & Gazette reported Monday that charges will be filed against Simulynas after Auburn police officers discuss the case with prosecutors in the Worcester County district attorney’s office on Tuesday.

Auburn and Worcester police investigators removed the weapons from Simulynas’ home and turned them over to the Bureau of Alcohol, Tobacco, Firearms and Explosives whose agents assisted in the raid on Thursday.

Earlier this month, Paul Mateiko of Worcester was arrested after investigators recovered about 101 firearms, thousands of rounds of ammunition and C4 explosives, blasting caps and other devices, including artillery simulators.

Police detained the 54-year-old Mateiko after firefighters responding to a medical emergency at his home noticed a large cache of unsecured weapons.

Investigators seeking to find out where Mateiko got the weapons later learned that he stole a Maschinengewehr 34, or MG34 — a German machine gun that was used as the primary infantry machine gun during the 1930s, and remained as the primary tank and aircraft defensive weapon.

The Worcester Telegram & Gazette reports that Simulynas is a former firearms dealer who had his license to carry and sell firearms revoked in 1999.