Beretta SO10 Instruction Manual

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STEEL SHOT
The fixed-choke barrels of the new Beretta SO10 over-and-under, as well as the new “SP” (Steel Proof)
Beretta stainless steel Optimachoke®tubes, are designed for use with factory steel shot cartridges loaded to
standard specifications. When firing steel shot cartridges, with fixed-choke barrels or Beretta stainless steel
Optimachoke
®tubes, the best results are obtained using open chokes (C0000/CL, 0000/IC, 000/M). When
utilizing steel shot, Full choke constrictions (0/F, 00/M) do not...

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WARNING:Point the shotgun in a safe direction. Keep your fingers away from the trigger guard whenever
you do not intend to fire. Never point the firearm at something that is not safe to shoot.
•With the shotgun assembled (see “ASSEMBLY”), push the top lever to the right and open the shotgun by
levering the barrels downwards. 
•Hold the barrels up to the light and look down the barrels from the muzzle to make sure they are free of
any obstructions.
•Insert a cartridge of the proper gauge into the...

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WARNING:If the shotgun does not fire a live cartridge when the trigger is pulled, activate the safety, wait
one (1) minute, then open the shotgun and manually remove the unfired cartridge.
NOTICE:The Manufacturer assumes no responsibility for any injury or property damage resulting from
improper or careless handling, intentional or accidental discharge of the firearm.
•Completely release the trigger after the first shot to re-set the shotgun for the next shot.  There is no need
to operate the...

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UNLOADING THE SHOTGUN
②
③
①④
Fig. 18 Fig. 17
!WARNING:Do not rely on ejectors to unload Beretta SO10 shotguns!  The selective ejectors do not eject
live ammunition.  They eject spent shell casings when the chambers are locked open, while the unfired
cartridge/s will be only pulled up.  To unload the shotgun, manually remove the live cartridge/s and check
to ensure that both chambers are empty.
•After firing or to otherwise unload the shotgun, engage the safety, push the top lever to the right,...

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WARNING:Always be certain the shotgun is unloaded before attempting disassembly.
WARNING:Always point the shotgun in a safe direction and keep the fingers away from the trigger.
NOTICE:In order to preserve the wood and metal surfaces from the possibility of corrosion and scratching,
it is advisable to wear cotton cleaning gloves before handling any part of the Beretta SO10.  It is also
recommended to handle the shotgun over a soft and smooth surface.  The beautiful walnut grain is enhanced
by...

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•Push the top lever to the right.  Fully open the shotgun by levering the muzzle end of the barrels downwards.
Lift the barrels out of the receiver.  Disengage barrel recesses from hinge pins of the receiver.  The top
lever remains open.
•Fit the fore-end onto the barrels and press it to catch the barrel hook. 
NOTICE:It is advisable to place the top lever in its centered position when the shotgun is being stored or
transported in a gun case.  
Proceed as follows:  push the top lever completely...

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very high loads. Improper lubrication of these components can cause seizing of parts or malfunctioning of
the shotgun. (The areas to lubricate are indicated by the arrows on Fig. 8 page 70). Before using the shotgun
make sure that lubricant is present as instructed. 
NOTICE:It is recommended to use Beretta-Interflon
®lubricant with Teflon®(product code OL38) or high
quality gun lubricants exclusively. These products are available at fine gun dealers. 

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The side plates/side locks of the Beretta SO10 over-and-under may be manually removed from the receiver
for inspection, cleaning, or merely to access the firing mechanism and admire the precious engraving and
finishing that adorn the visible surfaces.
CAUTION:It is recommended that this operation be limited to the times of need.  A frequent and
unnecessary disassembly of the side locks could cause premature wear of the locking keys and/or the damage
of the sideplates and relative engraving....

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The surfaces of the stock and fore-end can be subject to scratching or marring if not properly handled and
stored. Similarly, the metal parts (barrels and receiver) are susceptible to the moisture and acidity of the
hands.
•Be sure the hammers are decocked (See paragraph: “DECOCKING THE HAMMERS”).
•Remove the barrels from the receiver and push the top lever into the home position (Fig. 19 page 82) (See
paragraph: “DISASSEMBLY”). 
•Using the tool provided, press on the end of the front key on the...

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Fig. 23 Fig. 24
Fig. 26Fig. 25