Mossberg FLEX System Shotguns - Manual (Page 4)

PART N0. 100848 REV. A 4
TO ATTACH FOREARM:
Before making any forearm changes, 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.
a) Tilt forearm (Fig. 1).
Fig. 1
b) Align slots in top of forearm with
bosses on carrier (Figs. 1 & 2).
Fig. 2
c) Push forearm over bosses and slide
fully rearward (Fig. 3).
Fig. 3
d.) Hinge forearm up until latch engages (Figs. 4 & 5). Pull down on the forearm to
ensure it is properly seated and perform a function test per instructions in your
firearm’s owner’s manual.
Fig. 4
Fig. 5