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Marocchi Si-12 / Walnut
The Marocchi Si12 semi-auto shotgun with an inertia operating reload system was created for all kinds of hunting, especially for those where lighter guns are preferred. The advantages of the model are proved by simplicity and ease of maintenance along with its extreme reliability. Its weight of about 3 kg ensures quick aiming, fast and crisp sight alignment. All its parts are manufactured in Italy while final assembly is carried out at the ORSIS factory. The combination of magnificent St. Etienne barrel-grade steel with high-precision bore drilling technology plus additional chromium inner lining enables ORSIS to produce barrels sporting minimum weight and maximum consumer qualities. The stock and the fore-end of the rifle are made of matte-finished walnut. The Marocchi Si-12 exemplifies a practical and modern design shotgun created in strict compliance with the Italian quality standards
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PROMTECHNOLOGIA (ORSIS)Description
TheMarocchi Si12 may be classified as a new generation of inertia-operatedsemi-auto shotguns. It is designed for all types of hunting especially for thosewhere lightweight crisp-shooting and easy maintenance shotguns are preferred.The total weight of this shotgun equipped with 710 mm-length barrel equals 3 kgonly. Nowadays Si12 model boasts as one of the lightest semi-auto shotguns.
Thereloading system is of a new generation inertial type sporting lightweightsteel action assembly and a receiver of enhanced durability light alloy with awear-proof coating.
The barrel-gradeSt. Etienne steel flexibility indexes combined with extremely precise boredrilling technology provide ballistic advantages for the barrels having minimumdiameter 18.2-18.3 mm and their weight reduction.
Reliability
The Si12 shotgun was designed with regard to quite frequent taking it off,its internal parts cleaning in given temperature and under other huntingconditions by a user rather than a professional gunsmith.
Its production involves the mostadvanced fully computerized technological processes and meets the highestquality standards in the industry.
This is partly explained by the fact that “CD Europe" company as it is producing arms under Marocchi brand makes not only hunting hardware but also the components and parts for the leaders of Italian and European automotive industries - the most accurate and precise engine and chassis details.Nonetheless, Marocchi remains an arms company keeping its traditions and heredity of generations. All shotgun particulars are painstakingly given to thought off and not only the expertise of this same manufacture's generations of gunsmiths have been imbibed but the best contemporary weapons worldindustry's specimens have been taken into account.
Si12 Stripping off
In order to partly disassemble of Si12, it is required to cock the trigger mechanism, to unscrew the nut on the magazine tube, to disengage the fore-end and to take off the barrel. Than cock the trigger mechanism, pull the action handle out and extract the action assembly out of the receiver.
Action assembly dismantling procedure
Remove the striker fixing pin by a punch through the operational opening in the action body from the opposite side. Extract the striker and its spring.
Following the extraction of the striker, it is easy to take the breech lock out of the action body, than to disengage the breech slide freely and behind it there is a powerful spring to operate this system's automatics. This very spring being installed between the shotgun and action's body is compressed under the recoil forces impact and seemingly represents the “heart' of the weapon. The action weight in this model equals 440 g and, in compliance with physical laws, it tends to keep its position in space. As the inertia forces are fading, the spring comes out, turns the breech slide and throws the action back to start a reloading cycle. The heavy action and the spring simultaneously are effective absorbers of the recoil energy felt by a shooter.
As the manufacturers are claiming, this recoil energy felt by a shooter is 30% less compared to other shotguns of the same weight which may refer to this model's automatics operation and the composite polymer stock.
To maintain the trigger assembly it is required to remove the trigger action base retaining pin by the punch driving it from the left to the right which is more convenient. Take the base off. Re-assembly it in reverse order.
The action assembly is reinstalled back while the trigger assembly is cocked. Following the action assembly installation it is required to check its unimpeded travel in the receiver, to reinstall the action handle back until the fixation is felt. Mount the barrel and the fore-end making sure that it has a close fit to the receiver. If a visible gap is noticed, push the fore-end to the barrel than towards the receiver.
The trigger assembly of this model has the coiled springs only which service life is much more than the leaf ones. All details besides the springs are made of corrosion-resistant materials.
Full package shotgun total weight (760 mm barrel + extender + Marocchi Maxi 90 choke) - 3270 g
Overall length - 1400 mm
Trigger pull - 3100 g
Trigger travel - 3 mm
Apart from the aforementioned virtues, SI12 model is equipped with a barrel of the highest quality which is manufactured by a high-precision (up to a few decimal places) deep drilling method. It allows avoiding harmful stresses in the metal which are unavoidable while barrels forging. The barrels and choke tubes are made of chrome-molybdenum Steel St. Etienne 42CrMo4. It equals 40HFA steel grade in Russia (structural alloy steel) which is used to produce splinted shafts, rods and plungers, set screws, cross-members, excavators shafts and the other details operated under the temperature rise conditions up to 400°C; and after hardening and low tempering - worm shafts and the other increased wear-resistance details.
The initial steel blank weights 7 kg as the finished processed barrel weights 1 kg.
The latest developments of the trade are implemented to design the barrel and the choke tubes.
The experts consider these barrels exactly as having the exclusive qualities to form an even shotgun pellets pattern and to obtain the equal energy rates for the central and periphery pellets.
Thereloading system is of a new generation inertial type sporting lightweightsteel action assembly and a receiver of enhanced durability light alloy with awear-proof coating.
The barrel-gradeSt. Etienne steel flexibility indexes combined with extremely precise boredrilling technology provide ballistic advantages for the barrels having minimumdiameter 18.2-18.3 mm and their weight reduction.
Reliability
The Si12 shotgun was designed with regard to quite frequent taking it off,its internal parts cleaning in given temperature and under other huntingconditions by a user rather than a professional gunsmith.
Its production involves the mostadvanced fully computerized technological processes and meets the highestquality standards in the industry.
This is partly explained by the fact that “CD Europe" company as it is producing arms under Marocchi brand makes not only hunting hardware but also the components and parts for the leaders of Italian and European automotive industries - the most accurate and precise engine and chassis details.Nonetheless, Marocchi remains an arms company keeping its traditions and heredity of generations. All shotgun particulars are painstakingly given to thought off and not only the expertise of this same manufacture's generations of gunsmiths have been imbibed but the best contemporary weapons worldindustry's specimens have been taken into account.
Si12 Stripping off
In order to partly disassemble of Si12, it is required to cock the trigger mechanism, to unscrew the nut on the magazine tube, to disengage the fore-end and to take off the barrel. Than cock the trigger mechanism, pull the action handle out and extract the action assembly out of the receiver.
Action assembly dismantling procedure
Remove the striker fixing pin by a punch through the operational opening in the action body from the opposite side. Extract the striker and its spring.
Following the extraction of the striker, it is easy to take the breech lock out of the action body, than to disengage the breech slide freely and behind it there is a powerful spring to operate this system's automatics. This very spring being installed between the shotgun and action's body is compressed under the recoil forces impact and seemingly represents the “heart' of the weapon. The action weight in this model equals 440 g and, in compliance with physical laws, it tends to keep its position in space. As the inertia forces are fading, the spring comes out, turns the breech slide and throws the action back to start a reloading cycle. The heavy action and the spring simultaneously are effective absorbers of the recoil energy felt by a shooter.
As the manufacturers are claiming, this recoil energy felt by a shooter is 30% less compared to other shotguns of the same weight which may refer to this model's automatics operation and the composite polymer stock.
To maintain the trigger assembly it is required to remove the trigger action base retaining pin by the punch driving it from the left to the right which is more convenient. Take the base off. Re-assembly it in reverse order.
The action assembly is reinstalled back while the trigger assembly is cocked. Following the action assembly installation it is required to check its unimpeded travel in the receiver, to reinstall the action handle back until the fixation is felt. Mount the barrel and the fore-end making sure that it has a close fit to the receiver. If a visible gap is noticed, push the fore-end to the barrel than towards the receiver.
The trigger assembly of this model has the coiled springs only which service life is much more than the leaf ones. All details besides the springs are made of corrosion-resistant materials.
Full package shotgun total weight (760 mm barrel + extender + Marocchi Maxi 90 choke) - 3270 g
Overall length - 1400 mm
Trigger pull - 3100 g
Trigger travel - 3 mm
Apart from the aforementioned virtues, SI12 model is equipped with a barrel of the highest quality which is manufactured by a high-precision (up to a few decimal places) deep drilling method. It allows avoiding harmful stresses in the metal which are unavoidable while barrels forging. The barrels and choke tubes are made of chrome-molybdenum Steel St. Etienne 42CrMo4. It equals 40HFA steel grade in Russia (structural alloy steel) which is used to produce splinted shafts, rods and plungers, set screws, cross-members, excavators shafts and the other details operated under the temperature rise conditions up to 400°C; and after hardening and low tempering - worm shafts and the other increased wear-resistance details.
The initial steel blank weights 7 kg as the finished processed barrel weights 1 kg.
The latest developments of the trade are implemented to design the barrel and the choke tubes.
The experts consider these barrels exactly as having the exclusive qualities to form an even shotgun pellets pattern and to obtain the equal energy rates for the central and periphery pellets.