The alleged offences took place between March 1 and May 1 this year at a rural property near Whangarei.
Hayes has elected a jury trial and will reappear for a callover on January 26, 2018.
Police laid the charges under the Arms Act 1983. The charge of unlawful possession of a MSSA carries a maximum penalty of three years or a fine of $4000. Charges of supplying each carry a three-month jail term or a $1000 fine.
An investigation into circumstances that led to the deaths of Wendy Campbell and her daughter, Natanya, and Patterson's history, is ongoing.
Patterson, who did not have a firearms licence, fatally shot the women at his rented property on Mt Tiger Rd in July while they were on a property inspection. Contractor Jeff Pipe was also shot but managed to escape.