Silverback 100 Newton mainspring for SRS & TAC-41 replicas

Silverback 100 Newton mainspring for SRS & TAC-41 replicas

This spring is compatible with the "APS 13 mm" standard (9 mm spring guide) - it has been designed for replicas in this standard and especially: SRS (with the exception of the Push-Bolt mechanism) and all TAC-41. It has a black coating and laser markings for easy identification. When compressed to 99 mm, it gives 100 N.