Windham Weaponry is the rifle company started after Bushmasters Firearms International LLC was sold to a private equity firm in 2006.

The deal will allow Casella to broaden its presence in Maine and New Hampshire and adds additional waste and recyclables to its business.

The clothing, cosmetics and home goods retailer expects to have the space remodeled by mid-September.

Preti Flaherty said the Boston firm would add to its legal expertise in intellectual property and help expand its client base.

The restaurant and arcade owner says it could not reach terms on a new lease at the South Portland location, and will look for other locations.