HK [VP9, SFP9, VP40, P30, HK45] red dot mount | type B [RMR & RTS footprint]Red dot mount for HK VP9 models, HK SFP9 models, HK VP40, HK P30 and HK 45 models. Replaces the rear sight and allows mounting red dots with Trijicon RMR and C More RTS footprints. No slide milling or permanent modifications required. Full compatibility list is below. Machined from durable aluminium in Italy by Toni System.