Beretta CX4 Instruction Manual
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53 It is YOUR responsibility to know and abide by Federal, State and Local laws governing the sale, transpor tation and use of firearms in your area. Especially for U.S. consumers: For information about Firearm Safety Courses in your area, please visit the National Rifle Association’s web site at www .nra.org. 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.!
54 NOMENCLATURE ABarrel BCocking handle CManual safety button DBolt release lever EStock spacer FRecoil pad GSide sling swivel HRear sling swivel IMagazine release button LTrigger MDisassembly latch NFront sling swivelOLoaded chamber indicator PPeep rearsight QEjection por t RFront sight SFront rail TSide rail seat UMagazine VStock (lower receiver) ZSight key XBolt assembly YReceiver/barrel assembly (upper receiver) Fig. 1 ABCDE F G HILMN
56 DESCRIPTION The Beretta Cx4 Storm semiautomatic carbine is a spor ting or personal defense firearm with a par ticularly captivating appearance and simplicity of use. The blowback type locking system and the bolt safety ensure reliability, great stability and precision in follow up shots. The extractor, the ejector and the cocking handle are easily reversible for right and left hand use. The manual safety button and the magazine release button can also be reversed from one side of the carbine to the other *. The cold hammer forged barrel is chrome lined and made of high resistance steel for maximum resistance to corrosion and increased barrel life. Extensive use of technopolymers has allowed the development of a light and technically advanced firearm as well as equipping it with ver y modern an ergonomic lines. Rounded forms are snag free, facilitating handling and rapid shouldering and aiming. *This operation should be carried out by a gunsmith SAFETY FEATURES Notice:The figure numbers noted below refer to the photographs on pages 2, 3, 54, 55, 170, 171. Manual safety button (reversible) (Fig.1/2 - C). The Cx4 Storm features a manual safety that blocks the trigger. The manual safety can be engaged when the hammer is in the decocked or cocked position, or when the bolt is open or closed. The manual safety button is reversible for right or left hand use. Automatic Firing Pin Block. The Cx4 Storm has a blocking device that prevents for ward movement of the firing pin unless the trigger is pulled. This feature is intended to prevent discharge if the carbine is dropped or if the hammer is unintentionally dropped without pulling the trigger.
57 Loaded chamber indicator (Fig. 2-O). The loaded chamber indicator is a small tab that protrudes from the bolt when a round is in the chamber. The tab is located on the ejector of the carbine and can be both seen and felt, allowing the user to check the chamber for the increased protrusion of the tab. Please note: The most cer tain way to check whether a carbine is loaded is to pull back on the bolt and visually inspect the chamber for a round. Loaded chamber indicators are designed primarily to allow noiseless inspection of the carbine to ensure that it is loaded in situations when it may be dangerous to operate the bolt (the action of pulling back on the bolt may make noise and will temporarily render the carbine inoperable) or when it is dark. The loaded chamber indicator is reversible for right or left hand use. WARNING:In order to permit the use of the Cx4 Storm in emergency situations, even in the case of involuntar y dropping or loss of the magazine, these models are NOT provided with a magazine safety. They are therefore capable of firing, if a round is chambered, even if the magazine has not been inser ted or if it has been removed or if it has been dislodged from its seat. Bolt release lever (Fig. 1-D). The bolt release lever allows the closing of the bolt which remains in the open position after the last round from the magazine has been fired (magazine inser ted). This permits the user to immediately determine that the carbine does not have a round in the chamber or in the magazine. Bolt travel stop. This safety system is an iner tia device which avoids the complete opening of the bolt in case the carbine is dropped, preventing the accidental introduction of the round into the chamber or the ejection of the chambered car tridge. Safety on the hammer. The hammer features a device that prevents the disengaging of the hammer itself. This safety is intended to reduce the possibility of discharge of the carbine if it is dropped. !
58 OPERATIONAL AND ANATOMICAL FEATURES Semiautomatic firing. The Cx4 Storm carbine will automatically reload after each round is fired, as long as there are car tridges in the magazine. The blowback type locking systemand the bolt safety ensure reliability, great stability and precision in follow up shots. Single action. The shor t and light single action trigger pull allows for faster, more accurate discharge of subsequent rounds. Removable magazine (Fig. 3). The Beretta Cx4 Storm carbine has a quickly removable, high capacity magazine which allows rapid reloading and extended use in emergency situations. The capacity of magazine for Cx4 Storm models is as follows *: cal. 9mm Parabellum **– 10,15, 20 rounds, staggered magazine cal. 9mm x 21 IMI - 10, 15 rounds, staggered magazine cal. 40 S&W **- 10, 11 rounds, staggered magazine cal. 45 ACP (Auto) – 8 rounds, staggered magazine *Consult local authorities for maximum magazine capacity restrictions that may apply in your locale. **Commercial carbines sold in the US market are supplied with 10-round magazines in accordance with US Federal Guidelines for Commercial Sales. Specific calibers, may not be available in you market. Where permitted by law the Cx4 Storm is able to utilize the same magazines as the 92/96/98 and 8000/8040/8045 Cougar pistol series through the assembly of an adapter in the magazine seat. Reversible controls. The extractor, the ejector, the cocking handle, the ejection por t cover, the magazine release button and the manual safety button are reversible for right or left hand use.
59 Simple field stripping and cleaning (Fig. 1/2-M). The disassembly mechanism consists of a latch found below the cocking handle. It is designed to allow an extremely quick and simple field stripping of the carbine and also to avoid casual or involuntar y disassembly. A firearm which can be easily field stripped can be more readily cleaned. Simple cleaning makes it easier for the user to properly maintain your carbine, which helps ensure continued reliability. Technopolymer frame. (Fig. 4–V/Y). The extensive use of technopolymers has allowed the development of a light and technically advanced firearm as well as equipping it with ver y modern, extremely captivating and ergonomic lines. The technopolymer also guarantees corrosion resistance and color consistency (the color will never wear or scratch of f). Sights (Fig. 2-P/R). The front sight is fully adjustable for windage and elevation while the peep rearsight has long and shor t range aper tures. Both sights may be folded down when optics are used. Adjustable stock (Fig. 1-E). Special stock spacers (up to three) allow the lengthening of the stock. Each spacer increases the length of the stock by 15 mm (0.60 in.). A spacer is already supplied (mounted on the stock) with your Beretta Cx4 Storm carbine. Picatinny rails. In addition to the standard extractable Picatinny type rail found underneath the barrel and the side rail supplied in the case, top and bottom Picatinny rails are also available on request. Swivels for carrying sling (Fig. 1-N/H). On the front and rear par t of the stock, swivels are mounted for the optional carr ying sling. The rear par t of the stock features a side, ver tical slot type swivel. (Fig. 1/2-G). NOTICE:There are numerous Beretta special par ts and accessories that allow the personalization of your carbine. To request this extensive line of par ts and accessories, please contact your local Beretta dealer.
60 SPECIFICATIONS Caliber9mmx19 9mmx21 IMI 40 S&W 45 ACP (Parabellum (Auto) or Luger) Magazine capacity (rounds) *10, 15, 20 10, 15 10, 11 8 Pitch250 mm 250 mm 400 mm 406 mm RiflingR.H., 6 grooves OperationSemiautomatic, it fires from the closed bolt position. Locking systemBlowback type ActionSingle action only SightsFully adjustable front sight for windage and elevation, foldable. 2-position peep rearsight, foldable. SafetiesManual safety on the frame: it can be applied with hammer cocked or decocked, bolt open or closed. Automatic firing pin blocking device. Bolt travel stop. Safety on the hammer. Frame/ReceiverIn technopolymer BoltIn steel BarrelIn steel, cold hammer forged, chrome lined. Overall length(mm/in) 755/29.7 - 800/31.5 with 0 to 3 stock spacers Barrel length(mm/in) 422.5/16.6 Overall width(mm/in) 63/2.5 Overall height(mm/in) 190/7.5 Sight radius(mm/in) 327/12.9 Weight unloaded (without magazine)(gr/oz) (approx.) 2575/90.8 *Commercial carbines sold in the US market are supplied with 10-round magazines in accordance with US Federal Guidelines for Commercial Sales.
61 GENERAL OPERATION The Beretta Cx4 Storm is a semiautomatic blowback type firearm. Upon firing, the pressure developed by the combustion gases pushes the bolt back which, during its rear ward movement, extracts and ejects the fired car tridge case, cocks the hammer and compresses the recoil spring.The bolt will then automatically move for ward towards the closed position, feeding the next car tridge from the magazine into the chamber. The bolt is designed to stay open after the last round has been fired and ejected. LOAD CHECK At various points in this manual you will be instructed to “visually check to be cer tain your Beretta Cx4 Storm carbine is unloaded.” This should become second nature to you, as you should: •Never assume that a firearm is unloaded (even a gun that is new and in its original packaging). •Never point or push a firearm toward yourself or another person. •Always visually check to see that the chamber is unloaded. •Remove the magazine, engage the manual safety and block the bolt in the open position before handing the carbine to another person. •Never take or pull this carbine from another person unless the safety is engaged, the magazine is removed, the bolt is open, and the chamber has been visually checked to confirm it is unloaded. To visually check to be cer tain your Beretta Cx4 Storm carbine is unloaded, carefully follow the steps below. WARNING:Keep your finger OFF THE TRIGGER and the barrel pointed in a SAFE direction. !
62 •Engage the manual safety by pushing the manual safety button until the red band completely disappears. (Fig. 5) WARNING:When the safety button shows the red band, the safety is disengaged and the firearm is in the FIRE position. •Remove the magazine by pushing the magazine release button. (Fig. 6) •Retract the cocking handle to open the bolt (Fig. 7)(Releasing the bolt when a magazine is not in the carbine will automatically close the bolt). Always keep your finger away from the ejection por t. To keep the bolt in the open position, without the magazine in the carbine, press the bolt release lever upwards with your thumb (Fig. 8)and release the cocking handle. The bolt will be blocked in the open position. The bolt remains open when an empty magazine is inser ted or when the bolt release lever is pressed upwards. •Check the car tridge chamber to be cer tain it is empty. If the carbine is unloaded, proceed to the following step, other wise refer to the procedure: Unloading the carbine. •Holding the cocking handle, press the bolt release lever downwards with your thumb and gently take the bolt to the closed position. WARNING: Always keep your finger away from the ejection por t. WARNING:THE HAMMER IS COCKED. With the barrel pointed in a safe direction, decock the hammer by pulling the trigger. Notice: The hammer can be decocked only when the bolt is in the closed position. ! ! !