Sig Style SRD556-QD Tracer Unit - BK

Features:

• Full metal construction
• Full military markings edition
• 14mm CCW quick detach flash hider
• Built-in tracer unit (For green tracer BBs only)
• Press and hold the lever, turn the flash hider CW to attach or CCW to detach
• Do NOT over torque, just slight finger tight is enough
• USB-C charging cable included