JE Machine Tech AR-15 Receiver End Plate w/QD Sling Swivel Attachment Black. Features/Specifications: Steel construction allows for proper staking Manganese phosphate finish Uses standard QD Swivel (Not included) 922r Compliant Berry compliant (Gunsmith/Armor Installation required) Specifications for JE Machine Tech AR-15 Receiver End Plate w/QD Sling Swivel Attachment: Manufacturer: JE Machine Tech Color: Black Condition: New Features of JE Machine Tech AR-15 Receiver End Plate w/QD Sling Swivel Attachment: Steel construction allows for proper staking Manganese phosphate finish Uses standard QD Swivel (Not included) 922r Compliant Berry compliant (Gunsmith/Armor Installation required) Package Contents: J&E Machine Tech AR-15 Receiver End Plate w/QD Sling Swivel Attachment JE Machine Tech PS-EP25: AR-15 Receiver End Plate w/QD Sling Swivel Attachment Black