
1) Firearm terminology
Found on
https://www.crosswordclues.com/clue/wadcutter

A special-purpose bullet specially designed for shooting paper targets, usually at close range and at subsonic velocities typically under 800 ft/s (240 m/s). They are often used in handgun and airgun competitions. A wadcutter has a flat or nearly flat front that cuts a very clean hole through the paper target, making it easier to score and ideally...
Found on
http://en.wikipedia.org/wiki/Glossary_of_firearms_terms

A wadcutter is a special-purpose flat-fronted bullet specially designed for shooting paper targets, usually at close range and at subsonic velocities typically under approximately 900 ft/s (274 m/s). Wadcutters have also found favor for use in self-defense guns, such as .38 caliber snub-nosed revolvers, where due to short barrel lengths, maximum b...
Found on
http://en.wikipedia.org/wiki/Wadcutter

A cylindrical bullet with a flat face, designed to cut a clean hole in a paper target making scoring more precise.
Found on
http://www.hallowellco.com/abbrevia.htm
No exact match found.