Knights Armament URX 3.1 Panel Kit

KAC-Knight’s Armament Panel Kit

Hole spacing on the 4″ panels is 3.175″ center to center. Actual length of 4″ panels is 3.965″.

Hole spacing on the 5.5″ panels is 4.765″ center to center. Actual length of 5.5″ panels is 5.550″.

Hole spacing on the 8 rib rail sections is 1.588″ center to center. Actual length of 8 rib rail sections is 2.970″.