Beretta CX4 Instruction Manual

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FRONT SIGHT - ELEVATION ADJUSTMENT
To raise the point of impact:
Using the supplied tool(Fig. 4-Z)loosen the front sight
clockwise. Proceed one click at a time. (Fig. 20)
To lower the point of impact: 
Using the supplied tool (Fig. 4-Z)loosen the front sight
counterclockwise. Proceed one click at a time. (Fig. 20)
To fold the front sight, rotate it downwards.
PEEP REARSIGHT
For long range shooting, ver tically position the rearsight leaf with
the letters LR (Long Range) with your finger. For shor t...

74
FIRING
WARNING: Only point a firearm at something safe to shoot. Never
put your finger on the trigger unless you intend to shoot. Never
disengage the safety on a firearm unless you intend to shoot.
WARNING:Always wear high-quality eye and ear protection when
firing any firearm. Be cer tain that others near-by are wearing
high-quality eye and ear protection and are to the rear of the
shooter, when firing any firearm.
WHEN READY TO FIRE:
•Load the firearm using the loading procedures above.
•Point the...

75
•When the last round has been fired the bolt remains open.
If you have completed shooting, engage the manual safety,
remove the magazine and holding the cocking handle, press the
bolt release lever downwards with your thumb and gently take
the bolt to the closed position. Pull the trigger to decock the
hammer. 
•To fire again, remove the empty magazine and inser t a loaded
one.
•If the bolt is in the open position press the bolt release lever
downwards to inser t the round in the chamber. If  the bolt...

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•Using the disassembly instructions in the beginning of this
manual under Obstruction Check, remove the frame-barrel/bolt
assembly from the stock and visually check to be sure there
are no obstructions in the barrel.  If a barrel obstruction is
detected, a qualified gunsmith must remove the obstruction
and inspect the carbine before it can be fired.
WARNING:If another car tridge is fired into an obstructed barrel,
a catastrophic failure can result.
WARNING: Never attempt to fire ammunition that did...

77
WARNING:Always unload the firearm immediately after shooting
is completed. Never store a loaded firearm. To store the firearm
see the dedicated paragraph (Storing).
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PICATINNY RAILS
WARNING:Always be cer tain that the carbine is unloaded.
Please refer to the instructions given in the ”Load check”
paragraph. 
WARNING:Make sure the carbine is pointed in a safe direction.
Under the barrel, inside the fore-end of the upper receiver, the
standard Picatinny type rail supplied with your carbine can...

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•Remove the rubber recoil pad from the rear of the stock
(Fig. 25).
•Unscrew in a counter clockwise direction the rear screw from
the stock with a 7 mm blade screwdriver (Fig. 26).
•Completely remove the screw.
•Remove the mounted spacer if you wish to shor ten the stock
or add more spacers (available on request) to lengthen the
stock.
CAUTION:once the screw has been removed from the stock, the
rear sling swivel (Fig.1/2-G)is not fixed to the stock. Take care
not to lose it.
•To remount the screw make...

79
REVERSING THE  CONTROLS
WARNING:Always be cer tain that the carbine is unloaded.
Please refer to the instructions given in the ”Load check”
paragraph. 
WARNING:Make sure the carbine is pointed in a safe direction.
EXTRACTION, EJECTION AND COCKING HANDLE  
Notice:It is advisable to carr y out the field stripping and the
assembly operations over a table to catch components should
they drop.   
CAUTION:Before disassembling the par ts, carefully obser ve
and memorize the position of the components to...

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•To remount the ejection por t cover on the side desired, take
care to correctly inser t the two upper protrusions of the cover
in their respective recesses on the bolt.
•Mount the extractor on the opposite side paying attention to
inser t its rear protrusion into the seat of the bolt(Fig. 32).
•Inser t the ejector on the opposite side to the extractor as
shown in Fig. 33.
•Remount the spring/spring guide assembly if previously
disassembled.
•Push the retaining spring clip down into its seat(Fig....

81
MAINTENANCE
The firearm should be cleaned as soon as possible after firing.
Use only high-quality, commercially-available firearm cleaning
solvents and cleaning equipment. 
WARNING:Never store a loaded firearm.
WARNING:The firearm should not be disassembled for cleaning
beyond what is described below.  Only a qualified gunsmith who
is familiar with these firearms should conduct fur ther
disassembly.
WARNING:Do not attempt to alter the internal par ts of your
carbine’s firing mechanism.  Alterations to...

82
CLEANING
WARNING:Excess oil and grease obstructing the bore, even
par tially, is ver y dangerous when firing and may cause barrel
rupture and serious injur y to the shooter and bystanders. Never
spray or apply oil to the car tridges. Use lubricants properly. You
are responsible for the proper care and maintenance of your
firearm.
BARREL
•Spray a  brush with Beretta oil or a good grade gun oil. Inser t
the brush into the barrel by means of a rod from the chamber
and scrub the chamber and bore...