Appears on Diagrams (4)

• Empire BT 4 - Combat, Delta, ERC, Assault, Iron Horse, SWAT, Banshee Diagram — #19 “Lower Receiver Screw”
• Empire BT 4 E-Grip Diagram — #04 “Lower Receiver Screw”
• Empire BT Delta Diagram — #19 “Lower Receiver Screw”
• Empire BT Omega Diagram 2012 — #83 “Lower Receiver Screw”