After checking the item over and contacting the owner, police determined that the item was an “inert” replica grenade that was purchased at an Army and Navy store. Brookline police reminded ...

The M320 Grenade Launcher is a modern, versatile 40mm weapon with enhanced accuracy, safety, and flexibility for military operations.

It was the first holiday season that his online gun store was selling the components to assemble the holy grail of enhancements for AR-15-style rifles: a 40-millimeter grenade launcher that mounts ...