Crimson Trace Rail Master Pro Light & Green Laser Sight, Universal Rail Mount. MFG MDL #: 01-7720. WEIGHT: 4.1 oz. ADDL INFO: Fits Most M1913 Pic Rails. ADDL INFO: Uses CR123 Batteries. Gun Cases, Bags & Racks. Please check your state and local laws before purchasing this item. We always work hard to ensure your package arrives as soon as possible. We do not accept P. Please provide a physical address. Any item in clamshell (clear plastic) packaging must be in “unopened” condition, in original condition and contain all packaging, accessories, documentation, etc. Any item packaged in a box must be in original condition (no seals or stickers broken) and contain all packaging, accessories, documentation, etc. The box must be in its original condition. Any item packaged not in a box or clamshell must be in its original condition and contain all packaging, accessories, documentation, etc. The packaging must be in its original condition. WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information visit California’s “Proposition 65″ Website.