Beretta CX4 Instruction Manual
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63 OBSTRUCTION CHECK Check the barrel to be sure there are no obstructions in the chamber and bore. This is extremely impor tant because if another car tridge is fired into an obstructed barrel, a catastrophic failure can result. To visually check to be sure there are no obstructions in the barrel, follow the disassembly steps below: DISASSEMBLY WARNING:Always be cer tain that the carbine is unloaded. Please refer to the instructions given in the ”load check” paragraph. Notice:It is advisable to carr y out the field stripping 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 facilitate their correct reassembly. •Remove the magazine by pushing the magazine release button. (Fig. 6) •To facilitate disassembly, it is advisable to cock the hammer. Retract the bolt by means of the cocking handle and gently take the bolt to the closed position.(Fig. 7) WARNING:By retracting the cocking handle when an empty magazine is inser ted in the carbine, the bolt remains in the open position. To close the bolt press the bolt release lever downwards. Always keep your fingers away from the ejection por t. •Push the disassembly latch out the frame of the carbine. (Fig. 9)The disassembly latch can be removed from either side. ! !
64 •Slide the front par t of the carbine (receiver/barrel assembly) from the stock. (Fig. 10) •Fully retract the cocking handle until it corresponds with the opening (circular par t) of the por t. (Fig. 11) •Remove the cocking handle by pulling it forcefully. (Fig. 12) WARNING:At this stage, the bolt is not blocked into position by the cocking handle and could therefore fall out. Handle with care all disassembled par ts. •Remove the bolt from the barrel. (Fig. 13) Look down the barrel from the muzzle (or front) end so that you can see completely through the barrel to make sure no obstruction exists. If an obstruction in the barrel 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. ! !
65 REASSEMBLY •Check that the hammer is cocked. If not, completely pull the trigger and keep it depressed, draw back the hammer and release the trigger. The hammer will be blocked in the cocked position (fully retracted). (Fig. 14 and 15) •Reassemble the bolt on the barrel corresponding the lower guides of the bolt with the lower guides of the receiver. (Fig. 16) •Line up the hole found on the bolt body with the rear par t of the cocking por t (circular par t). (Fig. 12) •Inser t the cocking handle (with the concave par t facing the barrel) into the seat pushing it into the hole of the bolt. •Push the cocking handle completely for wards until it stops. •Reassemble the stock by engaging the side rails of this last par t with the side rails of the receiver/barrel/bolt assembly. (Fig. 17) •Slide the receiver/barrel/bolt assembly onto the stock until it stops. •Inser t and push the disassembly latch in the seat while holding the stock and receiver/barrel/bolt assembly together. •Pull the trigger to decock the hammer.
66 AMMUNITION AMMUNITION (CARTRIDGE) NOTICE:Beretta specifically disclaims responsibility for any damage or injur y whatsoever occurring in connection with, or as the result of, the use in Beretta Cx4 Storm carbine of faulty, or non-standard, or “remanufactured,” or hand-loaded (reloaded) ammunition, or car tridges other than those for which the firearm was originally chambered. Use only high-quality, commercially-manufactured ammunition that is manufactured in accordance with CIP (Europe and elsewhere) or SAAMI (USA) standards. Be cer tain that the ammunition is the appropriate caliber and loading for the firearm and is clean, dr y, and in good condition. The car tridge designation for your carbine is marked on the side of the barrel and in front of the cocking handle (visible when drawn back). WARNING: Carefully inspect each car tridge before it is loaded in the magazine. Be cer tain the car tridge cases are not split, deformed, or the car tridges do not possess any other dents or defects (this applies even to factor y ammunition). Do not fire old ammunition in this firearm. Primers, powder, car tridge cases, and bullets can deteriorate with time and cause damage to the firearm, or injur y to the shooter or others. WARNING:Do not use reloaded or handloaded ammunition. Beretta assumes no liability for incidents occurring through the use of reloaded ammunition. Use of reloaded ammunition will void the manufacturer’s warranty. WARNING: The extended use of +P, +P+ ammunition may decrease the minor components ser vice life expectancy. DO NOT use sub-machine gun ammunition because the chamber pressure may reach or exceed proof load pressure. Lead bullets have a tendency to cause bore leading, which may dramatically increase the discharge pressure. Make sure to remove all chamber and bore lead accumulation after each use. ! ! !
67 DO NOT ever shoot car tridges with jacketed bullets through a barrel previously fired with lead bullets before the bore is thoroughly deleaded. DRY FIRING/”DUMMY” ROUNDS Dr y firing is defined as firing a firearm with no ammunition in the chamber. Long term dr y firing your Beretta Cx4 Storm carbine may result in damage to the action. “Snap caps” (iner t chamber inser ts that allow a firearm to be dr y-fired without damaging the action) are available at most gun stores for those who wish to practice firing without live ammunition. CAUTION:If you want to practice shooting your carbine without using live ammunition (called “dr y firing”), inser t an appropriate “snap cap” into the chamber to cushion the fall of the firing pin and reduce the chance of firing pin breakage. “Snap cap” car tridges with spring loaded “primers” are ideal. “DUMMY” car tridges with empty primer pockets are good for loading/unloading practice but DO NOT protect the firing pin during dr y firing.
68 LOADING AND FIRING Notice:The figure numbers noted below refer to the photographs on pages 2, 3, 54, 55, 170, 171. WARNING:Beretta assumes no responsibility for any injur y or proper ty damage resulting from improper or careless handling, intentional or accidental discharge of the firearm. WARNING:This carbine can have a live round in the chamber and can fire even if the magazine is empty or has been removed. WARNING: Before loading the firearm, become familiar with the following loading procedures without the use of ammunition. Never handle a loaded firearm until you are fully familiar with the loading procedures. Always point the firearm in a safe direction. WARNING: Always keep your finger away from the trigger whenever you do not intend to fire. Make sure the carbine is not already loaded by removing the magazine and retracting the bolt in order to check that the chamber is empty. WARNING:Be sure that you have the correct car tridges for your carbine. WARNING:Be sure that the obstruction check has been completed prior to loading. CAUTION:Always wear protective glasses and earplugs when shooting (See point 8 of the BASIC SAFETY RULES). LOADING THE MAGAZINE •To load the magazine, remove it from the carbine by pushing the magazine release button. (Fig. 6) •Hold the magazine in one hand. With the other hand place a car tridge on the magazine follower in front of the lips at the top of the magazine. Press the car tridge down onto the follower ! ! ! ! ! !
69 ! ! ! ! and slide the car tridge completely under the lips until it is lodged fully inside the magazine body. (Fig. 18) •Repeat process until magazine is fully loaded. Holes on the back of the magazine allow for visual counting of car tridges. (Fig. 3) CAUTION:Do not tr y to force more than the maximum number of rounds indicated for your par ticular carbine into the magazine. An overloaded magazine may not function properly. LOADING THE CARBINE AND THE FIRING CHAMBER WARNING: Point the firearm in a safe direction. Do not touch the trigger until you are ready to shoot and are sure of your target and backstop. The firing chamber of the carbine is the por tion of the barrel into which the car tridge is fed. The firing chamber may be loaded in one of two ways: 1. LOADING FROM MAGAZINE •Engage the manual safety by pushing the manual safety button until the red band disappears. (Fig. 5) WARNING:When the safety button shows the red band, the safety is disengaged and the firearm is in the FIRE position. WARNING:The manual safety is merely a mechanical device and is in no way a substitute for the Basic Safety Rules of firearm handling. •Completely push the loaded magazine into the carbine grip to ensure catch engagement. •Pull back the bolt and release it. The bolt will automatically pick up a car tridge from the top of the magazine and feed it into the chamber. WARNING:THE CARBINE IS NOW CHAMBER LOADED, COCKED AND READY TO FIRE BY PULLING THE TRIGGER. Keep your finger away from the trigger whenever you do not intend to fire.
70 2.THIS CARBINE WHICH IS LOADED AND FIRED WILL AUTOMATICALLY PICK UP THE NEXT ROUND AND FEED IT INTO THE FIRING CHAMBER AS LONG AS THERE IS AMMUNITION IN THE MAGAZINE. Notice:The manufacturer assumes no responsibility for any injur y or proper ty damage resulting from improper or careless handling, intentional or accidental discharge of the firearm. Notice:The Beretta Cx4 Storm carbine is equipped with an automatic safety which prevents firing pin protrusion beyond the breech face. This safety is overcome only by trigger pull. If you want to replace the round which has been chambered from the magazine (remember that you are handling a loaded firearm with a live round in the chamber): •Check the manual safety is engaged. •Remove the magazine from the carbine by pushing the magazine release button. •Inser t one more car tridge into the magazine. •Completely push the loaded magazine into the carbine grip to ensure catch engagement. WARNING: REMEMBER THAT YOU ARE HANDLING A LOADED FIREARM, WITH A LIVE ROUND IN THE CHAMBER. Keep your finger away from the trigger whenever you do not intend to fire. !
71 UNLOADING WARNING: Be cer tain the carbine is pointed in a SAFE direction. WARNING:Do not place your finger on the trigger or inside the trigger guard. •Engage the manual safety (Fig. 5). •Pointing the firearm in safe direction, remove the loaded magazine from the grip. •Fully retract the bolt by means of the cocking handle to remove the chambered car tridge. WARNING:Always visually inspect the firing chamber to ensure that it is empty. The chamber is empty when no car tridge is visible when looking into the open chamber. WARNING:If you are ejecting unfired car tridges, use extreme care to be sure they are ejected onto an appropriate sur face. Never attempt to catch car tridges or fired car tridge cases as they fall. WARNING:Never allow anything to come in contact with the primer of unfired ammunition. Doing so could cause the ammunition to explode. •When sure that the chamber is empty and the car tridge has been ejected, release the bolt. WARNING: Depressing the slide release lever when a loaded magazine is in the carbine will feed a car tridge into the carbine’s firing chamber. Having the hammer cocked, the carbine will be in the condition of being able to fire immediately. To increase the ser vice life of the hammer spring, it is advisable to decock the hammer by pulling the trigger. WARNING: Always unload the firearm immediately after shooting is completed.! ! ! ! ! ! !
72 ADJUSTING THE SIGHTS AND SIGHTING WARNING:Always be cer tain that the carbine is unloaded before adjusting the sights. Please refer to the instructions given in the ”Load check” paragraph. WARNING:Make sure the carbine is pointed in a safe direction. The Beretta Cx4 Storm features a fully adjustable front sight for elevation and windage and an adjustable peep rearsight for long and shor t range distances. Both sights may be folded down when optics are used. The upper par t of the carbine is designed to accept the mounting of optional Picatinny rails for the application of scopes and aiming systems on request. FRONT SIGHT – WINDAGE ADJUSTMENT To move the point of impact to the right: Using the supplied tool (Fig. 4-Z)loosen the screw on the right of the front sight (as viewed from the rear) clockwise in the direction of the arrow (R= right). Proceed one click at a time. (Fig. 19) To move the point of impact to the left: Using the supplied tool (Fig. 4-Z)loosen the screw on the right of the front sight (as viewed from the rear) counterclockwise in the opposite direction of the arrow. Proceed one click at a time. (Fig. 19) ! ! UNLOADING THE MAGAZINE •To unload the magazine, grasp it with one hand around the magazine box, bottom down and front end for ward. With the tip of the thumb firmly press down on the car tridge rim and push towards the front of magazine box. As the car tridge moves for ward, tip it slightly upward with the index finger. •Repeat until the magazine is unloaded.