In [[Glossary of Firearms and Second Amendment Terms|firearms terminology]], according to [[:Category:Gun Writers|gun writer]] Matthew Boyd, grain refers to "a unit of measure in which 7000 grains equal one [[pound]] and 437.5 grains equal one [[ounce]]. Used in the measure of [[bullet weight]] and the weight of [[powder charge]]s, among other things."<ref>Boyd, Matthew J., "[http://www.chuckhawks.com/firearms_terminology.htm Basic Firearms Terminology Defined]." [[Guns and Shooting Online]] - [[Chuck Hawks]].com, 2012. Accessed February 19, 2015</ref> | In [[Glossary of Firearms and Second Amendment Terms|firearms terminology]], according to [[:Category:Gun Writers|gun writer]] Matthew Boyd, grain refers to "a unit of measure in which 7000 grains equal one [[pound]] and 437.5 grains equal one [[ounce]]. Used in the measure of [[bullet weight]] and the weight of [[powder charge]]s, among other things."<ref>Boyd, Matthew J., "[http://www.chuckhawks.com/firearms_terminology.htm Basic Firearms Terminology Defined]." [[Guns and Shooting Online]] - [[Chuck Hawks]].com, 2012. Accessed February 19, 2015</ref> |