Appears on Diagrams (6)

• Empire BT 4 - Combat, Delta, ERC, Assault, Iron Horse, SWAT, Banshee Diagram — #63 “Barrel Adaptor Oring”
• Empire BT 4 Slice Diagram — #02 “Barrel Adaptor Oring”
• Empire BT Delta Diagram — #53 “Barrel Adaptor Oring”
• Empire BT Delta Elite Diagram — #34 “Barrel Adapter Oring”
• Empire BT Omega Diagram — #31 “Barrel Adaptor Oring”
• Empire BT Omega Diagram 2012 — #27 “Barrel Adapter Oring”