Overview Reviews Product Description Details: System-X On/Off ASA with drop forward Silver & Nickel Finish (Some tarnishing) Will fit any standard frame Needs Macro Fitting Jewel intact Includes gauge, functionality unknown. Good condition Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × System-X - Drop Forward & On/Off ASA - Silver/Nickel Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments