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The aims of this study were to assess the predictive role of coping-related variables (CRV) on cardiac vagal activity (derived from heart rate variability), and to investigate the influence of CRV (and cardiac vagal activity) on prone rifle shooting performance under low pressure (LP) and high pressure (HP) conditions. Participants (n= 38) competed in a shooting task under LP and HP. Cardiac vagal activity measurements were taken at baseline, task, and recovery for 5 min, alongside ratings of stress via a visual analogue scale. Upon task conclusion, self-report measures of motivation, stress appraisal, attention, perceived pressure, and trait CRV questionnaires (Decision-Specific Reinvestment Scale [DSRS], Movement-Specific Reinvestment Scale [MSRS], and Trait Emotional Intelligence Questionnaire [TEIQue]) were completed. Results indicated that task cardiac vagal activity was predicted by resting cardiac vagal …