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Home > Ordnance Documents and other related manuals > > Task 2. Describe the procedures for boresighting the 7.62mm coaxial machinegun
Figure 13. Gun Boresight Controls
Boresighting the 7.62mm Coaxial Machinegun.

The M2/m3 Bradley Fighting Vehicle: Fire Control System
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M2/M3 BFV: FIRE CONTROL SYSTEM - OD1608 - LESSON 1/TASK 2
LESSON 1
BORESIGHTING PROCEDURES FOR THE M2/M3 BRADLEY
FIGHTING VEHICLE FIRE CONTROL SYSTEM COMPONENTS
TASK 2.
Describe the procedures for boresighting the 7.62mm coaxial
machinegun.
CONDITIONS
Within a self-study environment and given the subcourse text, without
assistance.
STANDARDS
Within one hour
REFERENCES
No supplementary references are needed for this task.
1.
Introduction
The crew of the Bradley fighting vehicle expects the 7.62mm coaxial
machinegun to aim and fire at the same target as the 25mm gun.
Therefore, the line of sight of the 7.62mm machinegun must be aligned
with  the  line  of  sight  of  the  25mm  gun.
This  alignment  is
accomplished during the boresighting process.  Once the 25mm gun has
been boresighted, the 7.62mm coaxial machinegun can be boresighted to
the same aiming point.
This  task  describes
the
procedures
for
boresighting
the
7.62mm
coaxial machinegun.
2.
Boresighting the Coaxial Machinegun
a. The  procedure  for  boresighting  the  coaxial  machinegun  is
similar to the procedure for boresighting the 25mm gun.
In this
case, however, the gun reticle should already be on target.
The
boresight adapter and telescope are installed in the machinegun, and
the boresight controls for the
17






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