This page contains gathered knowledge about various subjects regarding firearms, shooting and competition. It is continually updated with new subjects and data. Common Muzzle Thread Reference Do you want to purchase muzzle brake (compensator) for your rifle and you don’t know what thread to choose for the muzzle brake? Dillon XL650 Exploded view and Armanov add-ons Inspect exploded view of Dillon Precision reloading machines and all Armanov upgrades and add-ons. How to determine Tanfoglio / EAA Witness frame size A simple and reliable way to determine the frame size of your Tanfoglio / EAA Witness pistol. Can’t decide which grip size you need for your hand? We made a simple chart to determine which pistol grip size you need. Grip size options vary with pistol type and grip model. Armanov Product Manuals Do you own an Armanov product and have lost the manual?