Master Series Lasergrips: Crimson Trace lets you make a statement. Only Master Series combines Instinctive Activation with the exceptional look, feel and durability of natural wood and G10 materials. Master Series lasers combine customization with performance by offering seamless frame integration, compatibility with ambi-safeties, complete windage and elevation control, precision micro laser diode optics, and the immense tactical advantages that only Crimson Trace can provide