The Rail Master® Laser Site by Crimson Trace is a powerful and versatile laser sight that fits perfectly onto the Byrna HD's picatinny rails. Once locked on, it will not move under firing or handling. The universal design of the Rail Master offers quick Instant Activation™ by simply "tapping on" and "tapping off" from either side with the ambidextrous activation control tabs.
Powerful 5mW red laser
Over four (4) hours of (constant) run time
Single 1/3N Lithium battery
Factory sighted at 50', fully user adjustable for windage and elevation.
5 minute auto shut-off for power conservation
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