Political and legislative issues
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https://www.congress.gov/bill/113th-congress/senate-bill/150
Definitions and usage
RCW 9.41.010: Terms defined. (Effective until July 1, 2022.)
https://app.leg.wa.gov/RCW/default.aspx?cite=9.41.010http://www.ilga.gov/legislation/97/SB/PDF/09700SB2899ham001.pdf
http://www.ilga.gov/legislation/97/SB/PDF/09700SB2899ham001.pdfM1918 Browning Automatic Rifle - Wikipedia
https://en.wikipedia.org/wiki/M1918_Browning_Automatic_RifleThompson submachine gun - Wikipedia
https://en.wikipedia.org/wiki/Thompson_submachine_gunNational Firearms Act - Wikipedia
https://en.wikipedia.org/wiki/National_Firearms_ActAssault+weapon Definition & Meaning | Dictionary.com
http://dictionary.reference.com/browse/assault+weapon?s=tDefinition of ASSAULT WEAPON
http://www.merriam-webster.com/dictionary/assault%20weapon