Editing BT Paintball (section)

== References ==

# [https://www.warpig.com/paintball/technical/paintguns/bt16/ Bill Mills, "BT-16 Elite", WARPIG, September 2005, contemporary technical review and company background].
# [https://www.vintagerex.com/cgi-bin/index.cgi?action=viewdb&man=BT+-+Ben+Tippmann VintageRex, "BT - Ben Tippmann", historical manufacturer catalogue].
# [https://paintballsolutions.com/index.php/about/bt-battle-tested/ Paintball Solutions, "BT / Empire Battle Tested", manufacturer manual and technical support archive].
# [https://paintball-online.com/paintball-guns/bt-paintball-guns/ Paintball Online, "BT Paintball Guns", retrospective brand history and product information].
# [https://paintball.tippmannparts.com/diagrams/Empire%20BT%204%20Manual%20V2005.pdf BT Paintball Designs, "BT-4 Assault, Combat & Rental Marker", manufacturer's manual, July 2005].
# [https://paintballonline.wordpress.com/2007/12/06/bt-delta-erc-and-rip-clip-paintball-markers-and-loaders/ Paintball Online, "BT Delta, ERC and Rip Clip Paintball Markers and Loaders", 6 December 2007].
# [https://www.warpig.com/paintball/tournament/psp/2008/worldcup/tradeshow.shtml WARPIG, "2008 PSP World Cup Trade Show", contemporary reporting on the BT TM-7].
# [https://pbmanuals.com/download-manual/497/bt-battle-tested-bt-4-combat-all-models Empire Paintball, "BT-4 Combat: All Models", manufacturer's operating manual, 2011].
# [https://npe.law.stanford.edu/cases Stanford NPE Litigation Database, "Tippmann Pneumatics et al. v. BT Paintball Designs Inc. et al.", case 1:04-cv-00436, Northern District of Indiana, filed 18 November 2004].