Beretta SO10 Instruction Manual
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– 89 – •When the rear key has been removed, insert it a couple of turns in the threaded hole in the centre of the slot for the key handle (Fig. 24) and pull gently to remove the side plate from the receiver (Fig. 25). NOTICE:The plate on the other side (on the right of the receiver) is no longer held in position by the keys and could fall out, so hold it in position with one hand as you remove the left side plate. •If the right side plate does not easily detach from the receiver, insert the rear key in the key hole in the stock (Fig. 26) and push it gently against the right side plate until it comes out. NOTICE:When the keys have been removed from the side plates (Fig. 27), you can distinguish between them because the rear one is slightly shorter and features a recess in the internal surface of the handle of the key to seat the rim of the side plate extraction hole. Proceed as follows to reassemble the side plates. •First mount the right side plate. Insert the front of it in the recess in the receiver (Fig. 28 page 90) and press the rear part into the slot using your fingers. •Then mount the left plate on the other side of the receiver. Insert the front of it in the recess in the receiver and press the rear part into the slot using your fingers. Fig. 27
– 90 – •Press the left and right side plates to make sure they are in position. Insert the front (longer) key and rotate it clockwise about 3 turns (Fig. 29). Do not tighten, and leave the handle in the vertical position. •Holding the side plates flush with the surface of the receiver and stock, tighten the rear key to engage the other side plate (Fig. 30). Leave the handle in the vertical position. •Now tighten the front key and lower the handle into the slot (Fig. 31). •When you are sure that the rear parts of the two side plates are flush with the surface of the stock, lower the handle of the rear key as well. Fig. 28Fig. 29
– 91 – NOTICE: Once the shotgun is handled, always and accurately clean all external surfaces (wood and metal) with a soft and clean patch in order to preserve the delicate finishes over time. The Beretta Cleaning Cloth (FAW08) is specially designed to clean your fine shotgun. If the visible firing mechanisms reveal fingerprints or dirt, carefully clean them lightly with the supplied bristle-brush and lubricate them with Beretta - Interflon ®lubricant with Teflon®(product code OL38), or other high quality gun lubricant. These products are available at fine gun dealers. Also see the “MAINTENANCE” section of this manual. Poor handling and cleaning of the firearm could compromise your Beretta warranty. Fig. 30Fig. 31
– 92 – The new “SP” (Steel Proof) Beretta stainless steel Optimachoke®tubes are designed for use also with factory steel shot cartridges loaded to standard specifications. When firing steel shot cartridges, with fixed-choke barrels or with 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 increase pattern density and will distort normal pattern density associated with lead shot (i.e. “blown pattern”). (See also the paragraph: “ AMMUNITION – Steel shot”). BERETTA STAINLESS STEEL OPTIMACHOKE®TUBES FIXED CHOKES AND BERETTA STAINLESS STEEL OPTIMACHOKE®DESIGNATIONS Beretta American Choke tube compatibility Rim Markings Designation with steel shot notches 0 (*) F (Full) SP (1) I 00(**) IM (Improved Modified) SP (1) II 000(***) M (Modified) SP III 0000(****) IC (Improved Cylinder) SP IIII C0000(C****) CL (Cylinder) SP IIIII (1)Not recommended. Optimachoke®is a registered trademark of Fabbrica d’Armi Pietro Beretta S.p.A.
– 93 – REMOVAL OF CHOKE TUBES WARNING:Check the firearm is unloaded. If not, unload the firearm by operating as described in the paragraph: “UNLOADING THE SHOTGUN”. WARNING:Never look into the muzzle or change tubes on a loaded shotgun, even with safety engaged. •Either open the shotgun or lift the barrels out of the receiver. •Unscrew (anticlockwise) the choke tubes with the Beretta spanner supplied. •Remove the choke tubes from the muzzle. CLEANING OF CHOKE TUBES WARNING:Check the firearm is unloaded. If not, unload the firearm by operating as described in the paragraph: “UNLOADING THE SHOTGUN”. WARNING:Never look into the muzzle or change tubes on a loaded shotgun, even with safety engaged. NOTICE:In order to preserve the wood and metal surfaces from the possibility of corrosion and scratching, it is recommended to wear cotton cleaning gloves before handling any part of the Beretta SO10. It is also advisable to handle the shotgun over a soft and smooth surface. •Either open the shotgun or lift the barrels out of the receiver. •Thoroughly clean the choke housings. If necessary, use the bristle-brush sprayed with gun cleaning solvent. •Make sure the chokes are perfectly clean inside and outside. •Apply a thin coat of quality Gun Oil to the threads of the barrels and the choke tubes. The use of Beretta-Interflon ®lubricating oil, available at fine gun dealers, is recommended. ! ! ! !
– 94 – NOTICE:Once the shotgun is handled, always and accurately clean all external surfaces (wood and metal) with a soft and clean patch in order to preserve the delicate finishes over time. The Beretta Cleaning Cloth (FAW08) is specially designed to clean your fine shotgun. If the visible firing mechanisms reveal fingerprints or dirt, carefully clean them lightly with the supplied bristle-brush and lubricate them with Beretta- Interflon ®lubricant with Teflon®(product code OL38), or other high quality gun lubricant. These products are available at fine gun dealers. Also see the “MAINTENANCE” section of this manual. Poor handling and cleaning of the firearm could compromise your Beretta warranty. WARNING:Excess oil and grease obstructing the bore, even partially, is very dangerous when firing and may cause damage to the shotgun and serious injury to the shooter and bystanders. Never spray or apply oil to the shotshells. Use lubricants properly: you are responsible for the proper care and maintenance of your firearm. INSTALLATION OF CHOKE TUBES WARNING: Check the firearm is unloaded. If not, unload the firearm by operating as described in the chapter “UNLOADING THE SHOTGUN”. WARNING:Never look into the muzzle or change tubes on a loaded gun, even with safety engaged. WARNING: Before installing the chokes, make sure they are not damaged. •Either open the shotgun or lift the barrels out of the receiver. •Apply a thin coat of quality Gun Oil to the threads of the barrels and choke tubes. •Make sure the chokes are perfectly clean inside and out, then insert the desired chokes into the choke housings. ! ! ! !
– 95 – •Carefully hand screw the chokes into the barrels clockwise. Using the Beretta spanner tighten the chokes until they are fully bottomed into their recesses in the barrels. •Remember to remove the spanner after tightening. WARNING: Periodically check, with the chambers unloaded and opened, whether the chokes are fully and tightly set into the barrels. If necessary, firmly tighten the chokes, using the Beretta spanner, until they can be tightened no more.This tightening is needed to avoid damage to the barrels and to avoid propelling the chokes out of the muzzle when the shotgun is fired, which may cause damage to the gun or injury to persons. WARNING:Choke tubes must be kept correctly tightened in the barrels at all times, even during storage and cleaning. Cleaning barrels with no choke tubes in place can push dirt into the barrel threads, causing improper choke installation, rusting, or barrel obstruction. WARNING:Never shoot choke barrels without using choke tubes. Shooting without choke tubes is very dangerous as debris could be trapped by the threads and create barrel obstruction. It may also cause erratic shot pattern and can damage the barrels internal screw thread irreparably. Do not alter or modify existing fixed choke Beretta barrels for the use of interchangeable choke tubes. The resulting wall thickness would be too thin to safely contain the pressure levels generated by shooting. ! ! !
– 96 – WARNING:Before cleaning, make sure the shotgun is unloaded. If not, unloaded it by operating as described in the paragraph: “ UNLOADING THE SHOTGUN”. WARNING:The shotgun should not be disassembled for cleaning beyond what is described below. Only a qualified gunsmith should conduct further disassembly. WARNING:Do not attempt to alter the internal parts or the firing mechanism of the shotgun. Alterations to the internal components can result in a very dangerous situation. Altering the internal parts or the firing mechanism of the shotgun voids the manufacturer’s warranty. WARNING:Do not make repairs to any firearm without proper knowledge or training. Do not alter parts or use substitute parts not made by Beretta. Any alterations or adjustments that may be necessary to the operating mechanism should be performed by the manufacturer or by its local official distributor. NOTICE:At the end of a day of shooting, clean and lubricate your shotgun. At the end of the hunting season, or annually, have your gun completely cleaned, including internal mechanisms, by a competent gunsmith. Proper periodic maintenance is important for the reliable functioning of any firearm. NOTICE:In order to preserve the wood and metal surfaces from the possibility of corrosion and scratching, it is recommended to wear cotton cleaning gloves before handling any part of the Beretta SO10. It is also advisable to handle the shotgun over a soft and smooth surface. The beautiful walnut grain is enhanced by multiple, hand-applied, layers of oil, wax and Tru-Oil ®(upon request). 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. MAINTENANCE ! ! ! !
– 97 – •Disassemble the shotgun. •Clean the bores (inside of the barrels) with care by passing the supplied cleaning rod and a cotton patch soaked in a quality Gun solvent or using the bristle-brush. To remove heavier combustion residues fit the bronze brush on the cleaning rod. Also include the chambers in your cleaning operation, using, if necessary, the bronze wire brush fitted onto the cleaning rod handle. •Run a soft clean non-fluffy patch through the bores to remove solvent residue. •Lightly lubricate the inside of the barrels with a clean cotton patch or the wool brush mounted on the cleaning rod and soaked in quality Gun Oil. The use of Beretta-Interflon ®lubricating oil, available at fine gun dealers, is recommended. CAUTION:Do not apply excess oil. Accumulation of oil attracts dirt which can interfere with the functioning and reliability of the shotgun. •With similar procedure, clean the internal face of the receiver (especially around the firing pin holes) and lubricate lightly. •Clean and lightly lubricate the fore-end iron and the barrel hook. NOTICE: The hinge pin and the locking areas are very important mating surfaces. The receiver, the barrels and the fore-end iron are subject to 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. •Clean with care the external surfaces of the shotgun to remove any trace of dirt, sweat and fingerprints. The Beretta Cleaning Cloth (FAW08) is specially designed to do this. Lightly lubricate the metal surfaces using Beretta-Interflon ®or other high quality lubricant, available at fine gun dealers.
– 98 – NOTICE:Never oil the wood. The stock and fore-end only need to be cleaned and polished with a soft clean patch. The Beretta Cleaning Cloth (FAW08) is specially suited for this operation. Remember to replace the cloth when it is dry or dirty. WARNING:Excess oil and grease obstructing the bore - even partially - is very dangerous when firing and may cause damages to the shotgun and serious injury to the shooter and bystanders. Never spray or apply oil to the shotshells. Use lubricants properly: you are responsible for the proper care and maintenance of your firearm. •At the end of the hunting season, or at least once a year, disassemble the sideplates and delicately clean the visible firing mechanisms with the supplied bristle-brush and a high quality gun cleaning solvent. •Dry the parts with a clean patch. The Beretta Cleaning Cloth (FAW08) is specially suited for this operation. !