Machined T-6061 aerospace-grade aluminum. Absolute waterproof integrity to four atmospheres. Clicking, dual mode switch (constant on/momentary activation). 1/8 turn lockout feature to save battery life. Hard anodizing exceeds military specifications. Scratch-resistant sapphire window. Aggressive knurling for positive grip - ergonomic design. Uses 2 common CR-123A batteries. Compatible with all 28 mm Alumina accessories.
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