Mossberg FLEX System Shotguns - Manual (Page 6)

PART N0. 100848 REV. A 6
TO REMOVE/ATTACH TACTICAL LIGHT SWITCH OR SWITCH BLANK
Before making any changes to forearm accessories, move the safety
button fully rearward to the “ON” (SAFE) position and visually and
physically check the chamber, elevator, and magazine tube to be certain
the shotgun is unloaded. Also, be sure to keep the action open and the
muzzle pointed in a safe direction. Refer to your firearm’s owner’s manual
for additional safety and functional information.
NOTE: A tactical light switch can be placed on either the right or
left side for the forearm.
a) Remove the tactical light switch blank by peeling it from the
forearm (Figs. 9 & 10).
Fig. 9
LIGHT SWITCH POCKET
Fig. 10