Inexpensive configuration of muzzle crowning professional toolkit, intended for use on military and commerical rifles in military calibers, by gun owners and hobby gunsmiths. Offered with single expandable pilot, which will typically work for numerous calibers with close dimensions, for example, 7.5 mm caliber pilot, generally intended for servicing any .30 cal. firearms, will work for any calibers from 7.5 mm to 7.7 mm. Reduced number of components in comparison with professional toolkit makes this particular offering an attractive option for gunowners interested in doing precision muzzle crowning by themselves. Standard toolkit configuration includes one expandable pilot of customer choice, eleven degree target crown cutter, universal driving adapter and ball-end hex bit to use with electric power screwdriver. Recommended screwdriver speed range is 90-230 rpm. Delivers fast, accurate and chatter-free muzzle crowning for all barrels, including the ones with chrome-lined bores, often found on modern military riifles. Video also shows how ro crown pistol barrels and how to polish muzzle crowns, if desired. No firearm disassembly is required for muzzle crowning and no additional equipment and special skills are needed to use these tools. Crowning cutters use very long lasting serrated carbide inserts, which are also easily replaceable and, if needed, adjustable to match very large barrel ODs For more information, contact Dave Manson Precision Reamers (810-953-0732, www ...