Tapco End Plate Sling Adapter Black Steel AR Platform. Replace the original locking plate with this and have a new reliable attachment point. The unique attachment opening allows for an easy transition from one shoulder to the other without having to worry about the sling binding up and the slim design ensures that it won't interfere with while shooting. Made from hardened steel with a black finish. Specifications for Tapco TAP22031 End Plate Sling Adapter Black Steel AR Platform: Manufacturer: Tapco Color: Black Finish: Black Fabric/Material: Steel Gun Type: Rifle Tapco TAP22031 End Plate Sling Adapter Black Steel AR Platform