1. SECURE THE UPPER RECEIVER IN A BENCH VISE. ENSURE ALL THREADS ARE CLEAN..
2. THE TIMING WASHER HAS ALTERNATING HEIGHTS, THESE ARE SHOWN IN YELLOW/PINK IN OUR DIAGRAMS FOR EASE OF DIFFERENTIATION.
3. PLACE THE BACKING WASHER ON THE BARREL SO THE FLAT SIDE IS FACING OUT. THIS ACTS AS A SUPPORT FOR THE BASE WASHER.
4. PLACE THE BASE WASHER ON THE BARREL WITH THE RAISED SECTIONS FACING OUT.
5. PLACE THE TIMING WASHER ON THE BARREL WITH THE RAISED SECTIONS FACING THE BASE WASHER.
6. ALIGN THE WASHERS SO THAT THE RAISED SECTIONS OF THE BASE WASHER ARE ALIGNED WITH THE RAISED SPACES OF THE TIMING WASHER (YELLOW IN DIAGRAM) SHOWN IN CONFIGURATION A.
IN THIS CONFIGURATION, THE WASHER SET SHOULD MEASURE 0.2175”.
7. HAND TIGHTEN YOUR MUZZLE DEVICE ONTO THE BARREL ENSURING THE WASHERS REMAIN IN CONFIGURATION A.