Tactical Rifle Shooters was established by Mark Lonsdale, STTU Training Director and former international competitive shooter, to share information on the quest for accuracy, to include, bolt-action and semi-auto rifles, optics, accessories, and the related training for long range rifle shooting, precision rifle shooting (PRS), extreme long range (ELR) shooting, F-Class Tactical Rifle (F-TR), and tactical sniper operations. This site will also share information on training and seminars related to long range shooting, ballistics, and the supporting firing solutions technology.