The Franklin Armory G-S173 Binary Trigger System is engineered for Glock 17 Gen 3 pistols featuring a binary firing system in a sleek black finish.Franklin Armory G-S173 Binary Trigger SystemCompatible with Glock 17 Gen 3 pistolsBinary firing system (BFS) technologyBlack finish for durability and aestheticsSKU: 17-50000-BLKThis precision-engineered trigger system offers enhanced firing capabilities for competitive shooting and tactical applications manufactured to Franklin Armory's exacting standards.