Česká Zbrojovka Cz 550 Medium, Magnum Instruction Manual
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CZ 550 Medium, Magnum - INSTRUCTION MANUAL 19 Before handling the firearm read this manual carefully and observe the following safety instructions. Improper and careless handling of the firearm could result in unintentional discharge and could cause injury, death, or damage to property. The same consequences can be caused by any unauthorized modifications or adjustments, corrosion, or use of non-standard or damaged ammunition. In these cases the manufacturer shall not be responsible in any manner whatsoever for the resultant consequences. Before leaving the factory this firearm was tested, carefully inspected, and packed. CZ cannot accept responsibility for product handling while in transit, or upon leaving the factory. Therefore, please examine this rifle carefully at the time of purchase to ensure that it is unloaded and undamaged. This instruction manual should always accompany the firearm and that even in the case of its loan or sale. CONTENTS SAFETY INSTRUCTIONS 20 THE CZ 550 RIFLE DESCRIPTION AND TERMINOLOGY 22 Main Characteristics of CZ 550 Medium Rifle Versions 23 Main Characteristics of CZ 550 Magnum Rifle Versions 23 OPERATING INSTRUCTIONS 25 Ammunition 25 Loading of the Rifle 25 Unloading of the Rifle 25 The Safety and its Operation 26 Cocking Indicator Operation 26 Set-trigger Operation 26 Trigger Adjustment 26 Sight Adjustment 27 Rifle Scope 27 MAINTENANCE INSTRUCTIONS 28 Stripping for Cleaning - Disassembly 28 Disassembly of the Bolt 28 Cleaning the Rifle 28 Cleaning the Barrel Bore and the Cartridge Chamber 29 Cleaning of Other Rifle Parts 29 Preserving 29 TROUBLESHOOTING, CAUSES AND REMEDIES 30 ILLUSTRATION AND LIST OF PARTS 31 TECHNICAL SPECIFICATIONS 33 LIST OF ILLUSTRATIONS 34
CZ 550 Medium, Magnum - INSTRUCTION MANUAL 20 SAFETY INSTRUCTIONS Always follow the safety instructions for your safety and the safety of others. 1. Always handle your firearm as if it were loaded. 2. Never point your firearm at anything you do not intend to shoot. 3. Never take anyones word that a gun is unloaded. 4. Always make sure that your firearm is not loaded before laying it down, or handing it to another person. 5. Always store your rifle unloaded with the striking mechanism released. 6. Never abuse your firearm by using it for any purpose other than shooting. 7. Never leave a loaded firearm unattended. 8. Prior to loading the firearm make sure that barrel bore, chamber, and action are clean and clear of obstructions. Clean a dirtied firearm immediately so that it will function properly and safely. 9. Always use only clean, dry, original high quality commercially manufactured ammunition, which is appropriate to the caliber of your rifle. 10. Never drink alcoholic beverages or take drugs before or during shooting. 11. Always wear safety glasses and ear protection during shooting whenever possible. 12. Always keep the safety on when the rifle is loaded with a cartridge in the chamber, until you are ready to fire. Keep firearm pointed in a safe direction when disengaging the safety. 13. A rifle with an activated set-trigger should be handed with maximum care, as even jolts during handling operations could cause an unintended discharge. 14. Always keep clear and keep others clear of the ejection port. 15. Never squeeze the trigger or put your finger in the trigger guard until you are aiming at a target and ready to shoot.
CZ 550 Medium, Magnum - INSTRUCTION MANUAL 21 16. Always be absolutely sure of your target, and the area behind it, before you squeeze the trigger. A bullet could travel through or past your target up to several hundred meters. 17. Never shoot at a hard surface such as rock, or a liquid surface such as water. 18. Never fire your firearm near an animal unless it is trained to accept the noise. 19. Never indulge in horseplay while holding your firearm. 20. Failure to fire: always hold the firearm, keeping it pointed towards the target, or a safe open area and wait 30 seconds when the firearm fails to fire. If a hangfire (slow ignition) has occurred, the round will fire within 30 seconds. If the round does not fire, remove the magazine, eject the round and examine the primer; if the firing pin indent on the primer is light, or off center, or non-existent, have the rifle examined by a competent gunsmith. 21. Always make sure your firearm is not loaded before cleaning, storing or travelling. 22. Always keep and store your firearm and ammunition in separate locked receptacles out of reach and sight of children and untrained people. 23. Never alter any parts of your rifle as the safety and proper function of your rifle could be seriously compromised. 24. Always be aware that corrosion, use of damaged ammunition, dropping the rifle on hard surfaces or other coarse treatment could cause a damage you may not see. If something like this happens let the firearm to be examined and tested by a competent gunsmith.
CZ 550 Medium, Magnum - INSTRUCTION MANUAL 22 THE CZ 550 RIFLE DESCRIPTION AND TERMINOLOGY The names of basic rifle parts used in this Instruction Manual are presented in Fig. 1. Nomenclatures of all CZ 550 parts are presented in the section Illustration and List of Parts. The CZ 550 is a repeating rifle with a Mauser-type bolt action. The trigger mechanism is of a single set design with an adjustable set-trigger; a single stage trigger is supplied on special order. The trigger is adjustable for pull weight and trigger travel. The safety secures the rifle against unintentional discharge and at the same time blocks the bolt in a closed position. The top of the receiver has milled grooves to accommodate scope mounts. The stock surface is made in a semi- matte polyurethane or Dedecryl lacquered finish. This Instruction Manual covers both Medium and Magnum models. The rifle is produced in several versions. Characteristic features of all versions are: - A wide assortment of calibers, allowing optimum choice of caliber - according to the particular use of the rifle. - The CZ 550 is well-balanced and consequently quick and easy to aim. - Easy mounting of rifle scope. - Controlling elements, which are simple in operation and easy to reach (bolt handle, set-trigger configuration, safety and bolt catch). - Completely adjustable trigger mechanism. - Alternatives with set-trigger or without set-trigger. - Cocking indicator indicates cocking of the striking mechanism. - Easy disassembly for cleaning and routine maintenance, which can be carried out without any tools. - A high degree of accuracy when firing. - A long service life. - High functional reliability in all environments, even with ammunitions made by various manufacturers, and with different types of bullets.
CZ 550 Medium, Magnum - INSTRUCTION MANUAL 23 Main Characteristics of CZ 550 Medium Rifle Versions CZ 550 Medium Standard The stock made of walnut wood with a cheekpiece furnished with checkerings and ventilated rubber buttplate. The stock allows aiming with mechanical sights as well as optical sights. CZ 550 Medium Lux The walnut stock with cheekpiece of Bavarian style checkered and supplied with a ventilated rubber buttplate. The stock allows aiming with mechanical sights as well as optical sights. CZ 550 Medium FS The classical walnut Full Stock with cheekpiece of Bavarian style, checkered, and supplied with a ventilated rubber buttplate. The stock allows aiming with mechanical sights as well as optical sights. CZ 550 Medium Battue The walnut stock checkered and supplied in Lux version or FS. The barrel (length of 520 or 560 mm) is equipped with a ramp rear sight. The firearm is designed for moving game shooting at shorter distances. Main Characteristics of CZ 550 Magnum Rifle Versions CZ 550 Magnum Standard Higher-grade walnut wood stock, without cheekpiece, furnished with checkering and ventilated rubber buttplate. This stock type allows aiming both with open sights and optical device. CZ 550 Magnum Lux Higher-grade walnut wood stock, with Bavarian style cheekpiece and furnished with checkering and a ventilated rubber buttplate. This stock type allows aiming both with open sights and optical device. CZ 550 Magnum Safari Higher-grade walnut wood stock lacquered with Dedecryl, with Bavarian style cheekpiece and furnished with checkering and Pachmayr rubber buttplate. This stock type allows aiming both with open sights and optical device.
CZ 550 Medium, Magnum - INSTRUCTION MANUAL 24 The Survey of Basic CZ 550 Medium and Magnum Rifle Modifications: Model Overall Length Barrel Length Weight Magazine Box Capacity Safety Trigger Receiver Sights Butt- plate Stock Finish Sling Swivels CZ 550 Medium mm mm kg .7 mm Rem. Mag. .300 Win. Mag. 9,3 x 62 Three positions Two positions Adjustable trigger Adjustable set-trigger Squared Rounded Rounded, MRI-shaped Classical open sights Battue Rubber - ventilated PUR lacquer - semi-mat Polished Dedecryl lacquer 20 mm swivels 1 swivels Swivel wood screw Standard 1135 600 3,3 3 3 5 ● ■ ▲ ■ ■ ● ●●■ ■ ■ ● ●●● ■ ●●Lux 1135 600 3,3 3 3 5 ● ■ ▲ ■ ■ ● ●●■ ■ ■ ● ●●● ■ ●●FS 1055 520 3,1 - - 5 ● ■ ■ ■ ●●■ ■ ■ ●●● ■ ●●Battue 1095 1055 560 520 3,2 3,1 3 - 3 - - 5 ● ■ ■ ■ ●●●■ ■ ■ ●●● ■ ●●■ standard equipment ● available on request ▲ alternative equipment Model Overall Length Barrel Length Weight Magazine Box Capacity Safety Trigger Receiver Sights Butt- plate Stock Finish Sling Swivels CZ 550 Magnum mm mm kg 7 mm Rem. Mag. 300 Win. Mag. 375 H&H Mag. 416 Rem. Mag. 416 Rigby 458 Win. Mag. Three positions Two positions Adjustable trigger Adjustable set-trigger Squared Express sight Rubber - ventilated Rubber Pachmayr PUR lacquer - semi-mat Polished Dedecryl lacquer 1 swivels Swivel wood screw Standard 1180 635 4,2 5 5 5 5 3 4 ● ■ ▲ ■ ■ ■ ■ ■ ● ●●■ ● Lux 1180 635 4,2 5 5 5 5 3 4 ● ■ ▲ ■ ■ ■ ■ ■ ● ●●■ ● Safari 1180 635 4,2 5 5 5 5 3 4 ● ■ ▲ ■ ■ ■ ■●● ● ■●● ■ ■ standard equipment ● available on request ▲ alternative equipment
CZ 550 Medium, Magnum - INSTRUCTION MANUAL 25 OPERATING INSTRUCTIONS Ammunition Use only factory-manufactured standard ammunition of appropriate caliber, which are in compliance with CIP regulations (International Proof Commission for Firearms and Ammunition) or SAAMI (Sporting Arms and Ammunition Manufacturers Institute Inc. of the United States). The use of other cartridges could damage the firearm or cause malfunctions or injury to the shooter. Loading of the Rifle ALWAYS MAKE SURE THE RIFLE IS POINTED IN A SAFE DIRECTION WHEN LOADING! Open the bolt by raising the bolt handle and pulling it to the rear to its stop. Place a cartridge on the follower and press it downward into the magazine box. After releasing the downward pressure, the cartridge is caught by the side walls of the magazine. Place the next cartridge on top of the previous one, and slide in as described above. When the magazine box is loaded, push the bolt vigorously to its forward position and by rotating the bolt handle in a downward movement close the bolt. This procedure inserts the cartridge into the cartridge chamber, and cocks the striker mechanism. The rifle is now ready to fire. If you do not intend to fire immediately, ensure the firearms safety as described further below in the section Safety and its Operation. Unloading of the Rifle ALWAYS MAKE SURE THE RIFLE IS POINTED IN A SAFE DIRECTION! - Open the magazine box floorplate (Fig. 2) and drop released cartridges into your hand. - Move the safety to its Safety-Off position in order that the bolt can be opened. If your rifle is fitted with a three- position safety, shift it to its mid-position which allows the bolt operations, but the trigger mechanism remains on safe. - Open the bolt and check to ensure that the cartridge has been extracted from the chamber and ejected. - Close the bolt. - Depress the trigger (dry fire).
CZ 550 Medium, Magnum - INSTRUCTION MANUAL 26 The Safety and its Operation Shift the safety rearward to its Safety-On position (Fig. 3) until the red dot is fully covered. This procedure locks the trigger mechanism and the bolt, it is not possible to discharge a cartridge or manipulate the bolt. If your rifle is fitted with a three-position safety, it has an additional mid-position which permits the opening of the bolt, but the trigger mechanism remains on safe. At this position of the safety, only the white dot is showing. Cocking Indicator Operation The cocking indicator is located on the rear face of the bolt sleeve (Fig. 4). If the (striker) firing pin is cocked, the cocking indicator protrudes from the bolt sleeve. This protrusion can be checked both by sight and by touch. Set-trigger Operation The set-trigger is activated by pushing it in the forward. For the reason of safety, activate the set-trigger only after the rifle is loaded and shortly before shooting. Do not carry your rifle with an activated set-trigger! If you have activated the set- trigger and you do not follow through with firing, keep your firearm pointed in a safe direction while carefully engaging the safety and then squeeze the trigger. Subsequently unload the rifle in the manner described above. Trigger Adjustment Independent of whether there is a mounted set-trigger or not, the trigger mechanism can be adjusted with respect to the trigger pull weight, and the trigger travel, before and after discharge. The adjustment can be performed after taking the barreled action out of the stock by means of the setting screws A (trigger pull), B (trigger travel before) and C (trigger travel after discharge) - see Fig. 5. If the CZ 550 rifle is fitted with a set-trigger, the adjustment of the set-trigger is carried out by the screw located in front of the trigger (Fig. 6). For safety reasons do not adjust the set-trigger travel as too short, as the rifle with an activated set- trigger is very sensitive to shock, and during handling the rifle could unintentionally discharge. The safety of the set-trigger adjustment can be checked with the rifle unloaded by repeated opening and closing of the bolt combined with moving of the safety to its ON and OFF positions. The spontaneous release of the trigger must not occur.
CZ 550 Medium, Magnum - INSTRUCTION MANUAL 27 Note: There is a possibility of dismantling the set-trigger from the rifle, without any impairment to the functional properties or adjustment of the conventional trigger. Sight Adjustment Model type: Medium - Classical Open Sights The elevation and windage correction is carried out after loosing the screws H (horizontal) and V (vertical) by shifting the rear sight blade (Fig. 7). One part displacement changes the point of aim at 100 m distance in vertical by 3 cm and in horizontal direction by 15 cm. Model type: Medium Battue - Ramp Sights Elevation correction is by means of folding up or down the rear sight insert, assisted by the adjusting screws (Fig. 8). Loosening of the front screw, followed by tightening of the rear screw changes the point of impact in a downward direction. Loosening of the rear screw, followed by tightening the front screw changes the point of impact in an upward direction. After sighting-in adjustments, it is necessary to tighten both these screws properly. Model type: Magnum The rifle is equipped with the so-called Express sight with V notches on the blades. This sight facilitates quick aiming even at very short distances. The rear sight base features a notch for shooting at 100m distance and folding blades for 200 and 300m distances. Exchanging the front sight for higher or lower sizes ensures elevation correction. Drifting the rear sight in the dovetail, having previously loosened the locking screw (Fig. 9) enables windage correction. The rifle sights were sighted-in at the plant at a 100 m distance, so the mean point of impact approximately conforms to the point of aim. Rifle Scope Mounting of the riflescope and sighting-in of the rifle should be entrusted to a qualified gunsmiths workshop.