635nm High Brightness Laser Sight GlockTotally internal-cannot be knocked out of alignment and ambidextrous switch in custom take-down lever.

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Description:
Internal Laser Sight
635mm high brightness sight. Totally internal, cannot be knocked out of alignment. No permanent modification to gun. Easy installation. Drops into place. No need to change holster. Compatible with your favorite grips. Ambidextrous switch in custom takedown lever. Deliberate on/off switch. Pulsating beam. Factory aligned.