Lion Gears BM0305QDSS Hunting Club/Shooters Club/Bear Hunt/Wild Hunter BridgeMount Riser, Black Heavy Duty Quick Detach Push Button Sling Swivel Pica tinny Rail Mounting Adaptor Enable Sling Swivel Mount on Any Pica tinny/Weaver Rail Sling Swivel Constructed with Black-Finished High-Strength Steel .5" High 3 Slots Bridge Mount Base Can Also Be Used As a Riser Separately