Pre-competition attentional regulation is essential in precision sports, where accurate performance requires athletes to maintain task-relevant attention and execute controlled motor responses. Athletes participating in archery, shooting, golf, darts, and similar activities may experience attentional disruptions that influence perception, decision-making, and performance accuracy. This paper examines the relationship between pre-competition attentional drift and decision accuracy among precision-sport athletes through established perspectives in sport psychology. Attentional drift involves temporary shifts away from relevant performance information toward environmental distractions, competitive concerns, self-evaluation, or outcome-related thoughts. The analysis integrates attentional control theory, processing-efficiency theory, reinvestment theory, quiet-eye research, perceptual-cognitive expertise, and studies of performance under pressure. Existing research suggests that competitive anxiety can interfere with goal-directed attention, increase sensitivity to irrelevant stimuli, and reduce the efficiency of cognitive processing. Evidence from precision-based activities further indicates that stable visual attention and consistent pre-performance routines may support accurate decisions under pressure. The paper proposes a conceptual framework connecting attentional drift with decision accuracy through attentional control, working-memory availability, visual search stability, perceived pressure, and routine consistency. It also distinguishes attentional drift from competitive anxiety, recognizing that athletes may experience anxiety without necessarily losing task-focused attention. Rather than reporting unverified observations or numerical findings, the study synthesizes established theoretical and empirical evidence to identify relationships suitable for future investigation. The analysis emphasizes that decision accuracy depends not only on attentional capacity but also on effectively selecting relevant information, inhibiting distractions, and maintaining stable cognitive preparation before performance execution.