Steiner HT Mount - Quick Release Lever on Left for MK4 and MK5 Black. Used on A3 I2 A2 and OTAL-C's. Specifications for Steiner Laser Devices HT Mount - Quick Release MIL-STD-1913 Mount (Lever on left): Manufacturer: Steiner Flashlight Application: Hunting Fabric/Material: Aluminum Fastener/Closure Type: Lever Color: Black Finish: Matte Package Contents: Steiner Laser Devices HT Mount - Quick Release MIL-STD-1913 Mount (Lever on left) Steiner Optics Warranty The Steiner Heritage Warranty means we stand behind our products. Over half a century of experience building rugged and reliable mil-spec product and supplying them to armed forces all around the world allows us to have this kind of confidence. We at Steiner are totally committed to the very highest standards of quality dependability and most of all customer satisfaction. Our Heritage Warranty assures you of that commitment. Warranty information and warranties are supplied solely by the manufacturer and not this retailer. This retailer publishes information from the manufacturer for information purposes only and the manufacturer is solely responsible and liable for any warranty information and warranties published by this retailer. Please reference the appropriate manufacturer documents or reach out to the manufacturer directly for full warranty terms and effective dates. Steiner 9163: HT Mount - Quick Release Lever on Left for MK4 and MK5 Black