/ Back Beretta 391 Shotgun Gunsmithing Midwest Gun Works offers a full line of gunsmithing services for the Beretta 391Shotgun. Our gunsmiths are former employees of Browning and can provide you with a wide variety of services associated with your Beretta 391shotgun such as: Firearm Inspection Cleaning Mechanical Repair Trigger Adjustment Choke Work Complete Beretta Factory Correct Restoration and More For more information on gunsmithing services please visit our Gunsmithing Services page by clicking here.