Geissele Automatics Hi-Speed Match Universal Trigger, Includes 1 Trigger and 3 Springs (for the Hi-Speed Match, Hi-Speed DMR and Hi-Speed Service Trigger), Black 05-181 Hi-Speed National Match Triggers Geissele Automatics currently offers three large pin Hi-Speed trigger products. These adjustable triggers are specially designed for competition" hunting" tactical" and military use" where both accuracy and robustness are critical. As an adjustable trigger" the first and second stage weight distribution" as well as" total pull weight" over-travel" and sear engagement are all to be tuned to the shooters preference.