Advanced Technology International (ATI), a leading manufacturer of firearm stocks and accessories, is now shipping the ATI Raven Stock for the Benelli M4. ATI's Raven accessories now include an adjustable shotgun stock, forend package with heatshield, magazine tube with magazine tube shroud, and a magazine tube follower. These five added accessories can be installed without a gunsmith to make any Benelli M4 922(r) compliant.