Beretta SO10 Instruction Manual

							–  59 –
10. AVOID ALCOHOLIC BEVERAGES OR JUDGMENT/REFLEX IMPAIRING MEDICATION WHEN
SHOOTING.
Do not drink and shoot. If you take medication that can impair motor
reactions or judgment, do not handle a firearm while you are under the
influence of the medication.
Unload a firearm before putting it in a vehicle (chamber empty, magazine
empty). Hunters and target shooters should load their firearm only at
their destination, and only when they are ready to shoot. If you carry a
firearm for self-protection, leaving the chamber unloaded can reduce the
chance of an unintentional discharge. 11. NEVER TRANSPORT A LOADED FIREARM.
Discharging firearms in poorly ventilated areas, cleaning firearms, or handling ammunition may result
in exposure to lead and other substances known to cause birth defects, reproductive harm, and other
serious physical injury. Have adequate ventilation at all times. Wash hands thoroughly after exposure.
12. LEAD WARNING.
WARNING: IT IS YOUR RESPONSIBILITY TO KNOW AND ABIDE BY FEDERAL, STATE AND
LOCAL LAWS GOVERNING THE SALE, TRANSPORTATION AND USE OF FIREARMS IN YOUR
AREA.
WARNING: THIS FIREARM HAS THE CAPABILITY OF TAKING YOUR LIFE OR THE LIFE OF
SOMEONE ELSE!  ALWAYS BE EXTREMELY CAREFUL WITH YOUR FIREARM.  AN ACCIDENT IS
ALMOST ALWAYS THE RESULT OF NOT FOLLOWING BASIC FIREARM SAFETY RULES.
!
! 
						

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NOMENCLATURE
M
L
NB
D1
DI
HE
F
G
S
P
R
OQ
C
T
AReceiver
A1 Left side plate
(disassembled) 
A2 Right side plate
(disassembled) 
A3 Side plate disassembling
key (front) 
A4 Side plate disassembling
key (rear)
BBarrelsCStock
DFore-end
D1 Fore-end catch lever
ETrigger/s 
FTop lever
GSafety (with selector on
request)  
HTrigger guard
ITop rib
LSide ribMFront sight
NMuzzle
OButt plate/Recoil pad
PLine of sight
QTrigger pull
RDrop at heel 
SDrop at comb
TToe
A
A1A2
A4
A3 
						

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SAFETY
SAFETY ON
Without selectorWith selector
on the first barrelWith selector
on the second barrel
Fig. 1 Fig. 3 Fig. 5
SAFETY OFFFig. 2 Fig. 4 Fig. 6
The shotgun is ready to fire
first the cartridge inserted
in the bottom barrel.The shotgun will fire first
the cartridge inserted
in the top barrel.
!
The shotgun
is ready
to fire! 
						

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Seventy years from the first modern Beretta over-and-under (the model S1 that was launched in 1933),  a
new true sidelock shotgun is born. The SO10 over-and-under: The deserving successor of the famous Beretta
SO series hunting and competition shotguns that have earned their reputation, on the Olympic podium and
on the most exclusive hunts in the world, from Europe to America to Africa, for being the most functional,
elegant and exclusive over-and-unders in the world.
Drawing from this very long experience, and under the dedicated guidance of the Beretta family, the most
gifted designers and gunsmiths of the company have created the new SO10 over-and-under, a synthesis of
aesthetic refinement, function and performance that place it at the peak of the world’s prestigious over-and-
under offerings.
At Beretta, the best materials, the most accurate CNC machining, and the highest levels of craftsmanship –
from master barrel makers, to gunsmiths, to engravers, to stock makers - operate in perfect synergy and with
a common goal:  To make a classic shotgun that is also modern, aesthetically superior, lightweight, perfectly
balanced and capable of guaranteeing impeccable performance for generations to come.
THE NEW SO10 OVER-AND-UNDER 
						

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GRACEFUL AND  PROPORTIONED RECEIVER.
The receiver of the Beretta SO10 over-and-under, depicting exquisitely double ribbed top moldings, blends
elegantly with the classic tapered external profile of the Beretta barrels. The top moldings have been
gracefully slimmed to offer the best lateral vision during aiming. Machined from a solid block of special,
high resistant tri-alloy steel, the receiver boasts all the parts directly made from the integral piece. No part
is welded or precision cast. Exceptional resistance and flawless performance are ensured for generations of
constant use. The absence of pins and screws on the surface of the receiver has given the Master Engraver
an uninterrupted blank canvas on which to express his full creativity. The polishing of the surfaces is done
entirely by hand.  
						

							–  64 –
INNOVATIVE LOCKING SYSTEM.
The locking system of the Beretta SO10 over-and-under features a rear longitudinal bolt operating in a
central position (between the two tubes), making the opening of the barrels  smooth and noiseless, and
minimizing stress when firing. Two additional lugs, located in the lower part of the receiver, further increase
the  strength and the efficiency of the locking system. As on the other Beretta SO models, the classic
trapezoidal locking shoulders of the barrels work in contrast with the shoulders of the receiver.
NEWLY DESIGNED TOP LEVER. 
The top lever, made from a solid block of steel, has been elongated and positioned closer to the breech face
in order to render the opening of the barrels smoother.  The absence of a retaining screw on the top lever
has given the Master Engraver a wider uninterrupted surface that can  be engraved. The safety on the open
top lever blocks the firing mechanism if the receiver is not completely closed. An automatic safety, that
engages when opening the top lever, is available on request.  
						

							–  65 –
REPLACEABLE HINGE PINS.
The hinge pins can be replaced after intensive use. 
EXTRA-RELIABLE LOCK.
The side locks are designed for years of constant use and flawless performance. Safe and reliable, they boast
a crisp trigger pull and fast lock times. 
REMOVABLE SIDE LOCKS.
The classic Beretta sideplates can be disassembled by hand by way of two robust hidden keys, facilitating
inspection and maintenance of the firing mechanism. The visible internal parts, all newly designed, are
superbly finished and engraved by hand. 
						

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TITANIUM TRIGGER.
The trigger of the Beretta SO10 over-and-under is made from precious titanium to ensure superior strength
and light weight.  
EXTENDED TRIGGER GUARD. 
The extended trigger guard is manufactured from a solid block of steel. Encased within the grip, it adds a
further touch of elegance to the shotgun. No part is welded or precision cast. 
THE ENGRAVER’S SIGNATURE.
The exquisite engravings that decorate the Beretta SO10 over-and-under are completely hand executed by
highly qualified Master Engravers. When this work of art, created with the hammer and chisel, bulino, or
gold wire inlay, is completed, the engraver’s signature guarantees the status of the shotgun as a unique
expression of the gun-maker’s art. 
						

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DEMIBLOC BARRELS. 
The new Beretta SO10 over-and-under boasts demibloc barrels, manufactured for the first time using an
exclusive process of cold hammer forging. The perfect concentricity of the tubes obtained with this system
ensures lightweight barrels and exceptional strength. Years of flawless performance are guaranteed. Two
bands on the sides of the barrels help fitting between the fore-end and the tubes,  and enhance the contact
of the fore-end with the surface of the barrels. The two bands, together with the side and top ribs, are soft-
soldered using a low-fusion alloy that causes less deformation of the steel during welding and preserves the
outstanding properties of flexibility, and high tensile and impact strength. The top rib is finely hand
checkered to reduce glare. The barrels are formed of extremely resistant steel made of a special nickel-
chromium-molybdenum alloy. The cartridge chambers and the bores are hard-chromed for extra corrosion
resistance, extended barrel life and more consistent shot patterns. The deep and gloss blueing of the barrels
is the result of repeated  black oxidations and painstaking hand work. All the metal surfaces are polished
carefully by  skilled Beretta artisans. 
						

							–  68 –
NEW STAINLESS STEEL BERETTA OPTIMACHOKE®TUBES. 
The new screw-in Beretta Optimachoke®tubes, with elongated cone, boast an internal profile specifically
designed to enhance the concentration and distribution of shot patterns and to minimize shot deformation.
The thin walls of the choke tubes optimise barrel balance and reduce the overall weight. Made of stainless
steel, the tubes  are engineered to resist steel shot stress and corrosion.
NEW EJECTORS WITH GUIDE. 
The Beretta SO10 over-and-under features newly designed ejectors, precisely guided on the demibloc barrels
to ensure flawless extraction and ejection of the cartridges. The contact area between the ejectors and the
shell rim has been increased to improve the efficiency of the cartridge catching. 
HIGH QUALITY WALNUT. 
The walnut wood used to craft the stock and fore-end is carefully singled out  for its grain quality, color and
strength. The skill of the stock-maker and his ability with the age-old tools, such as razor-sharp chisels and
gouges, rasps, emery cloths and files, are wisely used to create custom dimensioned stocks and fore-ends.
The checkering of the wooden parts is also patiently hand executed and provides a functional anti-slip grip
surface. Lastly come polishing by means of repeated coats of oil or wax applied by hand to enhance the
grain, color and brightness of the wood. The slender and elegant fore-end is further embellished by the
newly designed fore-end catch lever with hidden retaining screws.