LaserMax Front Guide Rod Laser Sight for Glock 17/22/31/37  #LMS-1141P

Completely internal! Keep your current holster for your GLOCK, keep your tactical lights, keep your favorite grips. The LaserMax Guide Rod Laser for GLOCK meets or exceeds both Mil-Spec and Homeland Security durability test standards (drop tests, blowing sand, temperature and humidity extremes, salt water fog, deep water immersion, 20,000+ rounds live fire).

Features:

• No gunsmithing required
• Pulsating beam gives awareness of muzzle direction
• Can be used indoors and outdoors
• Permanently aligned from the factory for center-of-mass accuracy at 20 yards
• No need to re-zero after changing batteries
• Especially useful for moving targets
• Ambidextrous switch in custom take-down lever that very closely resembles the factory GLOCK take down lever
• Deliberate on/off activation which is highly desirable in a tactical or personal defense situation 
• For: GLOCK 17, GLOCK 22, GLOCK 31, GLOCK 37 (**Will NOT fit the new Gen4 GLOCK**)
• Battery Model: LMS-3x393 (readily available silver oxide batteries commonly used in watches)
• Accuracy (20 Yards): ±2" POA
• Power Output: 5mW (brightest available - pulses for highest visibility)