Hegner : Upper Arm with Quick Release
FOR MODELS:
M18-V/M18-S Part Number 304 : Upper Arm with Quick Release
M18-V/M18-S Part Number 304A : Upper Arm with Quick Release
M18-V/M18-S Part Number 304A : Upper Arm with Quick Release
OLD SKUs:
XM18-304
XM18-304A
XM18-304A