Keymod Offset Mount For Lgl-Series Long Gun Lights Nightstick products are built not only with lumen ratings that exceed most competitor products, but also with optimized performance characteristics such as candela, beam distance and run-times All products produced in Bayco Products’ dedicated ISO 9001 Certified Factories undergo rigorous quality control inspections The Nightstick and Bayco brands are recognized world-wide as high-performance, high-quality, high-value lighting solutions across virtually every industry.