CONCORD, N.H. (AP) — A western Massachusetts man who authorities say assembled assault-style rifles and brought them to New Hampshire is headed to federal prison.

Raymond Blackmer III, of Easthampton, Massachusetts, was sentenced Tuesday in Concord to more than five years behind bars. He pleaded guilty to one count of illegal possession of a firearm by a convicted felon.

Authorities say Easthampton police learned last year that Blackmer was purchasing component parts for firearms on the internet and selling those assembled rifles over state lines.

Police say officers pulled Blackmer over in Winchester, New Hampshire in November 2015 and seized two AR-15-style rifles and other items.

His attorney says 52-year-old Blackmer agreed to plead guilty in New Hampshire to avoid further prosecution on similar charges in Massachusetts.

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