the correct position on the ends of the double-action bar.
location of the safety switch and the action locklever on
Place the breech bolt assembly, which includes the
the M500 shotgun. The M500 safety switch is located
attached locking block assembly, over the slide on the
on the top of the receiver. The action lock release is
located behind the trigger guard. The M870 has the
action bars. Insert the end of the action bars into the
safety switch in the trigger guard and the action lock
matching grooves in the receiver. Move the fore-end
slowly until contact is made with the front end of the
release to the front of the trigger guard. The
disassembly and maintenance of the M500 and the
right shell latch. Press the front right shell latch into the
side of the receiver and continue moving the fore-end
M870 are so similar that they are both currently covered
past this latch until contact is made with the left shell
on the same MRC. You can find further information on
latch. Press the front of the left shell latch in to allow the
the Mossberg M500 shotgun in the manufacturer's
fore-end assembly to pass and move freely into the
owner's manual supplied with the weapon.
receiver. Assemble the barrel to the receiver and tighten
firmly with the magazine cap. This completes the
MK 87 MOD 1 LINE-THROWING
assembly of the shotgun.
RIFLE ADAPTER KIT
For further information on the Remington
This kit replaces the Mk 87 Mod 0 kit that replaced
M870 shotgun, refer to the U.S. Air Force TM TO-
the 45/70 line-throwing gun. Included in the kit are 6
11W3-6-2-l.
projectiles, 1 launcher, 18 chemical light wands, and 1
recoil pad. The line-throwing assembly (launcher,
MOSSBERG M500 SHOTGUN
projectile, and canister) is designed to be used with the
M14 rifle and M64 grenade cartridge.
While very similar to the M870, the Mossberg
M500 has a few significant differences. The following
LAUNCHER
is a brief description of the differences that affect
operation of the weapon. Figure 2-31 illustrates the
The launcher (fig. 2-32) is used to hold the
projectile and trap propellant gases that propel the
projectile. It consists of a cylindrical steel tube
approximately 8.5 inches long and 2.75 inches in
diameter at the launching end and 1 inch in diameter at
the connecting end. When used with the M14 rifle, the
launcher slides over the flash suppressor and is secured
to the rifle by the latch and its wire loop that fits over the
rifle's bayonet lug. The safety retaining pin, fastened to
the launcher by a stainless steel lanyard, fits through the
latch to lock the launcher to the rifle.
Figure 2-31.--Mossberg M500 shotgun safety and action
Figure 2-32.--Launcher.
release.
2-17
