UTG® W E Adjustable Compact Green Laser with Rings glock adapter the Omega Round Trigger from HEAD WRAP the Omega Round Trigger from Nine Ball is sure to impress Magazine Capacity: 130 rds Innovative Design with TRUE STRENGTH® Platform and Smart Spherical Structure for Most Durable and Responsive Internal Adjustment • Crisp Clear and Extra Bright Green Laser Beam for Instant Target Acquisition • Wide Range and Precise Windage and Elevation Adjustment for All Firearms • Ambidextrous Tail Push button Switch and Remote Pressure Switch Operations • Hard Anodized Finish for Durability and Abrasion Resistance • Universal Tactical Ring Mount to Install on Picatinny Weaver Rail • Powered by One CR2 3V Lithium Battery with Most Compact and Tactical Design • Most Versatile Laser for a Wide Range of Shotgun and Rifle Applications