Leatherman marketed a cool multi-tool based on T&Es & feedback from US combat troops. Brownells; www.Brownells.com
also puts out a AR rifle catalog for gunsmith parts/supplies. A Boresnake Viper would be useful.
As for CLPs, check out the top rated: Ballistol, LPX, Gunzilla & Weaponshield.
See these sites for details: www.natchezss.com www.galls.com www.uscav.com www.mpro7.com www.gunzilla.us www.actiongear.com www.policehq.com www.midwayusa.com www.weaponshield.com