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
Brief Characterisation of Basic Versions 23
OPERATING INSTRUCTIONS 25
Ammunition 25
Magazine Removal 25
Magazine Loading 25
Loading of the Rifle 25
Unloading of the Rifle 26
The Safety and its Operation 26
Cocking Indicator Operation 26
Set-trigger Operation 27
Trigger Adjustment 27
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
19
CZ 550 - INSTRUCTION MANUAL
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 anyone's 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 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.
20
CZ 550 - INSTRUCTION MANUAL
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, allow let the firearm to be
examined and tested by a competent gunsmith.
21
CZ 550 - INSTRUCTION MANUAL
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 semimatte polyurethane lacquered finish as standard. 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, bolt catch, magazine 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
22
CZ 550 - INSTRUCTION MANUAL
Brief Characterisation of Basic Versions
CZ 550 Standard
The stock made of walnut wood with a cheekpiece furnished
with checkerings and reduced-size buttplate. The stock allows
aiming with mechanical sights as well as optical sights.
CZ 550 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 MC
The walnut stock of Monte Carlo type provided with
checkerings and a ventilated rubber buttplate. The stock allows
aiming with mechanical sights as well as optical sights.
CZ 550 Minnesota
The walnut stock is checkered, without cheekpiece and with
reduced drop at heel supplied with a ventilated rubber
buttplate. The type of stock designed for aiming with optical
sights only.
CZ 550 American
The stock is made of walnut wood with cheekpiece, reduced
drop at heel and checkering and is provided with rubber
buttplate. This firearm is designed for aiming with optical sights
only.
CZ 550 Prestige
This rifle has the same standard features as the CZ 550
American. However, the Prestiges are made from hand-picked
components. These components are match fitted for securing
perfect function. The stock is made of selective walnut wood
featuring special surface finish.
CZ 550 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 Battue
The walnut stock checkered and supplied in Lux version or FS.
The barrel (length of 520 mm) is equipped with a ramp rear
sight. The firearm is designed for moving game shooting at
shorter distances.
CZ 220 Scandinavia
The walnut stock of Monte Carlo type featuring enhanced comb
and provided with checkerings and ventilated rubber buttplate.
The stock allows aiming with mechanical sights as well as
optical sights.
CZ 550 Varmint
The walnut stock is checkered, without cheekpiece and with
reduced drop at heel, strengthened front part and supplied with
a ventilated rubber buttplate. The barrel is of heavy type with
no sights. The stock is designed for aiming with optical sights
only.
CZ 550 Sport
The walnut stock of Sport style checkered and supplied with an
adjustable rubber buttplate of sport version. The adjustable
cheekpiece and rib for hunting sling attachment supplied on
order. The stock allows aiming with a receiver sight as well as
optical sights.
23
CZ 550 - INSTRUCTION MANUAL
▲
The Survey of Basic Rifle Modifications:
Model
CZ 550
Standard
Lux
MC
Minnesota
American
Prestige
FS
Battue
Scandinavia
Varmint
Sport
■ standard equipment ● available on request ▲ alternative equipment
Magazine Box
Magazine - Long
Safety Trigger Receiver Sights Buttplate
Magazine - Short
.243 Winchester
6,5 x 55 SE
.270 Winchester
7 x 57
7 x 64
.308 Winchester
.30-06 Springfield
Three positions
Two positions
Adjustable trigger
Adjustable set-trigger
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Squared
Single cartridge feeding device on special request
Stock
Finish
Rounded
Rounded, MRI-shaped
Without sights
Open
Plastic
Rubber - ventilated
Special - adjustable
PUR lacquer - semi-mat
Sling
Swivels
Polished
DEDECRYL lacquer
20 mm swivels
■
1" swivels
24
CZ 550 - INSTRUCTION MANUAL
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.
Magazine Removal
(Pertains only to rifles equipped with detachable magazines). With one hand depress in the forward direction magazine
catch located at the front part of the trigger guard (Fig. 2). Remove with the other hand the magazine.
Magazine Loading
(Pertains only to rifles equipped with detachable magazines). With the open end uppermost, grasp the magazine in one
hand. Place a cartridge on the magazine follower with the base just forward of the retaining lips. Press the cartridge down
and back until its base touches rear flat edge of the magazine. Place the next cartridge on top of the previous cartridge
and slide in as already described.
Loading of the Rifle
ALWAYS MAKE SURE THE RIFLE IS POINTED IN A SAFE DIRECTION WHEN LOADING!
The rifle in detachable magazine version
First push in the full magazine by its front side obliquewards until it stops, then push the rear side (Fig. 3).
Grip the rifle with the left hand by its fore-end, place the buttplate against your body and grip the bolt handle with the
other hand. Open the bolt by raising the bolt handle and pulling to the rear to its stop. Then push the bolt vigorously to its
forward position again and by rotating the bolt handle in a downward direction close the bolt action. 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 firearm safety as described further in the section Safety and its Operation.
Note:
Loading is also possible for single cartridges by directly inserting into the chamber without the use of a magazine.
25
CZ 550 - INSTRUCTION MANUAL
The rifle in magazine box version
Open the bolt by raising the bolt handle and pulling 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. 4) and drop released cartridges into your hand (in the detachable magazine version, remove the magazine in the manner as already described - see operating instructions, removal of the magazine)
- move the safety to its "Safety-Off" position in order that the bolt can be opened. If your rifle is fitted with a threeposition 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)
The Safety and its Operation
Shift the safety rearward to its "Safety-On" position (Fig. 5) 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. 6). 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.
26
CZ 550 - INSTRUCTION MANUAL
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 settrigger 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. 7.
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. 8). For safety reasons do not adjust the set-trigger travel as too short, as the rifle with an activated settrigger 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.
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
The elevation and windage correction is carried out after loosing the screws H (horizontal) and V (vertical) by shifting
the rear sight blade (Fig. 9). One part displacement changes the point of aim at 100 m distance in vertical by 3 cm and in
horizontal direction by 15 cm.
Rifle Scope
Mounting of the riflescope and sighting-in of the rifle should be entrusted to a qualified gunsmith's workshop.
27
CZ 550 - INSTRUCTION MANUAL
MAINTENANCE INSTRUCTIONS
Stripping for Cleaning - Disassembly
1. Remove the magazine. With the magazine box version, open the floorplate and remove the cartridges.
2. Shift the safety to its "SAFETY-OFF" position in order that the bolt can be manipulated.
3. Open the bolt, and after depressing the bolt stop (Fig. 10), pull the bolt rearwards out of the receiver.
Disassembly of the Bolt
BEFORE BOLT DISASSEMBLY CHECK FOR YOURSELF THAT THE CARTRIDGE CHAMBER IS EMPTY.
Cock the firing mechanism by opening the bolt, move it slightly backwards and close it again. Press the disassembly
catch (Fig. 6) and keep it depressed, while at the same time open the bolt and move it partially rearwards with the other
hand. Unscrew the bolt sleeve together with the firing pin assembly and as already described above pull the rest of the bolt
rearwards out of the receiver.
CAUTION:
Do not strip your firearm any further. If you assume that your firearm requires adjustment or repair, entrust this work to
a competent gunsmith in a specialized workshop!
Cleaning the Rifle
Clean the Rifle
- each time you use it
- if you get your rifle wet
- as soon as possible after shooting
- at least once a year in a temperate climate
- as often as once a month in a tropical climate, or other demanding environment
28
CZ 550 - INSTRUCTION MANUAL
Cleaning the Barrel Bore and the Cartridge Chamber
If the firearm has not been fired or if only a few cartridges have been fired clean the barrel bore and cartridge chamber
by the clean patch attached to the cleaning rod. Repeat the cleaning, changing patches, until the last patch comes out
clean.
When the barrel bore is very dirty, apply a gun cleaning solution using cleaning brush. Let the solvent act for about 10
minutes (this time may vary depending on the solvent agent being used). Then thoroughly scrub out the barrel bore.
Subsequently, dry the barrel bore and cartridge chamber with a clean patch and check that all powder residues, or fouling
have been removed. If necessary repeat this procedure.
The cleaning rod and the brush must be inserted into the barrel bore from the chamber, to prevent wear or damage to
the muzzle. Pass the brush all the way through the barrel bore before reversing the movement. If you try to change
directions with the brush in the barrel, the brush could stick.
Cleaning of Other Rifle Parts
Other parts of the rifle can be cleaned with a dry cloth, old toothbrush, copper bristle brush or a wooden scraper.
Preserving oil or paraffin oil can be used for proper cleaning. Never use the agent designed for barrel bore cleaning!
These solutions could remain in the joints, and after some time could cause corrosion. Check that cloth particles or brush
bristles have not become lodged in any part of the rifle.
The maintenance of the stock can be carried out with a dry cloth or by some furniture-polishing product.
Preserving
When the barrel bore, cartridge chamber, and all accessible parts are clean and dry, wipe these parts with a cloth
soaked in gun oil or apply the oil in a spray. Remove all excess oil.
Before the shooting always wipe the barrel bore dry. At very low temperatures remove the oil from all accessible parts
or apply a lubricant prepared especially for these conditions.
Use thick preserving agents for example, preserving grease only for long-term storage in demanding climate
environments, and before any use of the rifle, it must be thoroughly removed from all parts of the firearm.
29
CZ 550 - INSTRUCTION MANUAL
TROUBLESHOOTING, CAUSES AND REMEDIES
If your firearm is properly used and maintained, malfunctions will rarely occur. However, if such a situation does occur
please observe the following instructions.
CAUTION - if a malfunction occurs, the possibility of an unintentional discharge is substantially increased. For this
reason, when clearing malfunctions, observe the Safety Instructions already mentioned above. Keep the rifle pointed in
a safe direction, do not turn the rifle against your body or anyone else’s. Do not place your hands in front of the barrel!
Malfunction Possible Cause Remedy
A round has not
been fed into the
chamber.
Misfire. Defective cartridge.
Magazine is not fully inserted or is damaged.
The rifle or cartridges are fouled (dirty).
Firing Pin hole fouled (dirty) or improper
lubrication agent used during low temperatures
Insert magazine properly or change magazine.
Clean the rifle and cartridges and wipe them dry or
as the case may be slightly lubricate.
Follow the Safety Instructions according to point 19.
Disassemble and clean the firing pin or use low
temperature lubricant.
conditions.
A shot sounds
“weak“.
The primer has been activated but no powder
load was inside the cartridge case.
Unload the rifle and check that the bullet is not
lodged in the barrel. Any subsequent shot could
cause damage to the barrel!
The spent case
has not been
ejected.
Cartridge chamber, extractor or ammunition
dirty or unsuitable lubricant in low temperature
environment.
Clean and wipe the rifle dry or eventually lubricate
lightly with a suitable agent. Use clean and new
ammunition.
If you cannot clear away any malfunction in the manner described above, entrust the rifle to a competent gunsmith for
inspection and repair.
30
ILLUSTRATION AND LIST OF PARTS
CZ 550 - INSTRUCTION MANUAL
31
CZ 550 - INSTRUCTION MANUAL
1 Barrel
2 Rear Sight
3 Front Sight
4 Front Sight Base
5 Front Sight Base Screw 05
6 Front Sight Base Screw 03
7 Rear Sight Base Screw
8 Front Sight Detent
9 Detent Spring
10 Pin, Front Sight Detent
11 Front Sight Cover
12 Receiver
13 Bolt
14 Bolt Handle Knob
15 Extractor
16 Extractor Collar
17 Firing Pin
18 Firing Pin Spring
19 Support, Firing Pin Spring
20 Nut, Firing Pin Spring
21 Cocking Piece
22 Pin, Firing Pin Nut
23 Cap
24 Bolt Sleeve
25 Disassy Catch
26 Disassy Catch Spring
27 Disassy Catch Pin
28 Disassy Catch Plunger
29 Plunger Spring
30 Plunger Pin
31 Safety
32 Safety Pawl
33 Safety Pawl Spring
34 Roller
35 Safety Pawl Pin
36 Sear
37 Sear Stop
38 Sear Spring
39 Sear Pin
40 Bolt Stop
41 Bolt Stop Spring
42 Safety Pin
43 Retaining Plate
44 Ejector
45 Ejector Pin
46 Ejector Spring
47 Ball
48 Trigger Housing
49 Trigger
50 Trigger Lever
51 Trigger Lever Pin
52 53 Adjusting Screw, Set
Trigger
54 Set Trigger Lever
55 Spring, Set Trigger Lever
56 Pin
57 Retaining Ring
* only with fixed magazine versions in .270 Winchester and 30-06 Springfield calibers
33
.243 Winchester
.308 Winchester
.22-250 Remington
6,5x55 SE
.270 Winchester
7x57
7x64
.30-06 Springfield
9,3x62
.308 Win. .243 Win.
.308 Win.
.22-250 R.
-
- / 4 / -
- / 4 / -
CZ 550 - INSTRUCTION MANUAL
LIST OF ILLUSTRATIONS
1. The names of basic parts
2. Magazine removal
3. Insertion of the magazine
4. Magazine box floor plate opening
5. The three positions safety in SAFETY-OFF ( fire) mode
6. The close-up of activated cocking indicator and bolt disassembly catch
7. Trigger adjusting screws (A - trigger pull, B - trigger slack, C - trigger overtravel)
8. Set trigger adjusting screw
9. Rear sight with fixing screws (H for horizontal, V for vertical shift)
10. The bolt stop close-up
The Company, reserves the right to make any changes it thinks necessary to improve its models or to meet any requirements of
manufacturing or commercial nature.
34
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