FN HERSTAL OWNER’S MANUAL FS2000 Carbine Cal. 5.
NEW GUN OWNER’S RECORD Model : ........................................................... Serial number (*) : ............................................ Date of purchase : ........................................... Purchased from : .............................................. Purchase price : ............................................... Caution : This manual has been written exclusively for the FN HERSTAL FS2000 carbine.
Foreword We are pleased that you have purchased a semi-automatic FN HERSTAL FS2000 carbine. The easy-to-use and fully ambidextrous FS2000 carbine stands for consistent performance and functional design and provides the operating precision and safety expected from a FN HERSTAL carbine. The innovative design is focused on firing and carrying comfort. With a reasonable amount of care, your FN HERSTAL FS2000 should give you many years of dependable, enjoyable service.
TABLE OF CONTENTS 1. Safety information .................................... 6 2. Technical information ............................. 12 2.1. Nomenclature ....................................... 12 Safety and warranty notes 2.2. Description ............................................ 14 Like all firearms, the FN HERSTAL FS2000 carbine, if handled in a careless or reckless manner, can be very dangerous. 2.3. Technical data .......................................
. Field stripping ......................................... 32 5.1. Disassembly of the carbine .................... 5.1.1. Safety checks and cocking the hammer ............................... 5.1.2. Barrel receiver ............................ 5.1.3. Bolt and bolt carrier assembly ..... 5.1.4. Gas plug and piston ................... 5.1.5. Hammer group assembly ............ 32 5.2. Complementary disassembly .................. 5.2.1. Extractor ..................................... 5.2.2. Handguard .......
1. SAFETY INFORMATION As a carbine owner, you accept a set of demanding responsibilities. How you take these responsibilities can mean the difference between life and death. There is no excuse for careless or abusive handling of any firearm. At all times, handle your FS2000 and any other firearm with intense respect for its power and potential danger. Read and understand the cautions and proper handling procedures outlined in this booklet before using your new firearm.
x Avoid carrying your FS2000 with a round in the chamber. x Beware of barrel obstructions. For good safety practice, it is recommended that a round is not chambered until immediately before you will fire the carbine. When preparing to shoot your carbine, check for a barrel obstruction as follows : first fully unload the carbine as described in § 4.5. If it is nevertheless necessary to carry the FS2000 with a round in the chamber, set the fire selector at the position ‘S’ (SAFETY).
1. SAFETY INFORMATION (CONTINUED) x Be certain your carbine is completely unloaded before cleaning. Because so many gun accidents occur when a firearm is being cleaned, special and extreme care should be taken to be sure your carbine is unloaded before disassembly, cleaning and reassembly. Keep ammunition away from the cleaning location. Never test the mechanical function of any firearm with live ammunition. x Always completely unload your carbine when not in use.
x Before dry-firing, visually and physically check if the chamber is empty. x Treat every carbine with the respect due to a loaded gun, even though you are certain the gun is unloaded ! x Keep your fingers away from the trigger while unloading, loading and removing the magazine. Only touch the trigger when you are ready to shoot. x Be sure of your target and backstop. Take additional care during low light periods. Know the range of your ammunition. Never shoot at water or hard objects.
1. SAFETY INFORMATION (CONTINUED) x Wear eye and ear protection when shooting. Unprotected, repeated exposure to gunfire can cause hearing damage. Wear ear protectors (shooting earplugs or muffs) to guard against such damage. Wear shooting glasses to protect your eyes from flying particles. Always keep a safe distance between the muzzle of your firearm and any persons nearby, as muzzle blast, debris and ejecting shells could inflict serious injury.
Read and heed all warnings in this Owner’s Manual, on ammunition boxes and with all accessories that you install on your firearm. It is your responsability to secure the most up-to-date information on the safe handling procedures for your FN HERSTAL FS2000 Carbine. FN HERSTAL assumes no liability for incidents which occur when unsafe or improper gun accessories or ammunition combinations are used. It can be very dangerous to alter firing mechanism parts of this or any firearm.
2. TECHNICAL INFORMATION 2.1.
Back-up iron sights Rear sling attachment Gas regulator Charging handle Handguard Trigger Left hand view 13
2.2. Description The FN Herstal FS2000 is a bullpup integrated weapon system. Its outer shape has been designed with rounded contours without any protruding parts even when equipped with accessories. The innovative design is focused on firing and carrying comfort. The standard handguard can be replaced by accessories such as a tri-rail handguard, a laser designator, a flashlight... Any configuration of the FN Herstal FS2000 respects the original ergonomics of the firearm.
2.3. Technical data Functional data Operating principle : Caliber : Firing mode : Magazine : Magazine capacity : Barrel length : Number of grooves : Twist and direction : Ejection : Safety : Dimensions and weight Gas operated, rotating bolt 5.56 x 45 mm NATO Semi-automatic M16 type 10 rounds or 30 rounds 17.4” (443 mm) 6 7’’ (180 mm) right hand Forwards Manual safety : locking of the trigger. Locking safety : firing impossible as long as the bolt is not locked.
2.4. Functioning Composition The FS2000 carbine consists of the following assemblies and components : • The barrel receiver group The barrel receiver is located on the top of the front part of the frame. It consists of the barrel, its support and the Picatinny rail (MIL-STD-1913). • The frame group The frame group consists of a polymer frame onto wich the fire selector and the trigger have been installed. • The handguard group The handguard group is located under the front of the frame.
Ejection towards the front • After extraction of the case, this one remains held on the bolt by the extractor. • So the case follows the bolt during its backward moving and a part of its forward moving (in opposite to usual systems where ejection follows extraction). • During the forward moving of the bolt and bolt carrier (bolt and slide pushed forwards under the force of the spring, return), the release unit raises the extractor which releases the case.
2.4. Functioning (continued) Magazines Ammunition 2 types of magazine are available : a 10-round magazine and a 30-round magazine. The FS2000 carbine should only be used with 5.56 x 45 mm ammunition. Each FS2000 carbine has been designed to be fitted only with one type of magazine. Some states limit the magazine capacity to 10 rounds. All FS2000 sold in those states will be shipped with magazines with reduced total magazine capacity in compliance with the current state law law..
3. CONTENTS OF THE STORAGE BOX Gas plug The FS2000 carbine is supplied in a storage box. The FS2000 is equipped with a gas plug which is a regulator featuring 2 positions : ¾ ‘Normal’ position (12 o’clock) This position corresponds to the ‘standard ammunition’. ¾ ‘Adverse condition’ position (2 o’clock) This position corresponds to the ‘lower pressure ammunition’.
4. USING THE CARBINE 4.1. Safety checks • Keep carbine pointed in a safe direction. SAFETY). • Set the fire selector to the position ‘S S’ (SAFETY SAFETY • If the magazine is still present into the carbine, press the magazine release button and remove the magazine out of the carbine pulling it downwards. • Pull the charging handle completly rearwards and release it. Charging handle 20 • Pull the charging handle completely rearwards and then push it upwards to lock it at its rear position.
• Close the inspection cover. • Raise the inspection cover. Inspection cover • Close the ejection opening door. • Be sure to initially clean the carbine before use. CAUTION Leaving the protective lubricant in the firearm can cause a stoppage, malfunction or failure due to over pressure. • Looking through the opening of the inspection cover, check that the carbine is empty (chamber and bolt). • Push down the charging handle to unlock it and let it moving to the front.
4.2. Loading the magazine • Carry out the safety checks as described in § 4.1. • If the magazine is still in the carbine, (1) press the magazine release button and (2) remove the magazine out of the carbine by pulling it downwards. Magazine release button Magazine 22 1 • Fill the magazine by inserting cartridges as follows : - Keep the magazine orientating its feed lips upwards. - Using thumb, push the cartridges, one by one, into the magazine.
4.3. Loading and charging the carbine CAUTION The safety checks should have been carried out. The carbine should have been correctly cleaned and lubricated. 4.3.1. Loading the carbine SAFETY • Set the fire selector to the position ‘S SAFETY). S’ (SAFETY • Install a loaded magazine into the carbine by pushing on its bottom. • Ensure the magazine is locked by pulling it downwards. Magazine 4.3.2. Charging the carbine • Pull the charging handle completely rearwards and then release it.
4.4. Firing the carbine • Raise the rear sight (if no other sight installed). Rear sight SEMI• Set the fire selector to the position ‘1 1’ (SEMIAUT OMA TIC UTOMA OMATIC TIC). Fire selector • Aim the carbine at the target. • Check if the position of the gas plug correspond to the ammunitions used (see § 2.4). ‘Normal’ position - Standard ammunition - • Pull the trigger : one shot will be fired for each trigger pull.
4.5. Unloading the carbine • Keep the carbine pointed in a safe direction. SAFETY • Set the fire selector to the position ‘S SAFETY). S’ (SAFETY • (1) Press the magazine release button and (2) remove the magazine out of the carbine pulling it downwards. Magazine release button 1 Magazine 2 • Pull the charging handle completely rearwards. After having been pulled, the charging handle will then move freely to the front.
4.5. Unloading the carbine (continued) • Pull the charging handle completely rearwards and then push it upwards to lock it at its rear position. When taking its place into the locking notch, the charging handle has a short back movement to the front. • Looking through the opening of the inspection cover, check that the carbine is empty (chamber and bolt). • Push down the charging handle to unlock it and let it moving to the front.
• Press the trigger to release the hammer. • Close the ejection opening door. Ejection opening door Trigger • Set the fire selector to the position ‘S SAFETY). S’ (SAFETY SAFETY • Close the inspection cover.
4.6. Adjustment of the back-up sight • If adjustment of the Mean Point of Impact (MPI) for windage is required, using the OREA 893, turn the square head of the rear sight screw by 1/4 of turn. In order to move the MPI towards the right side, turn the rear sight screw in the clockwise direction. In order to move the MPI towards the left side, turn the rear sight screw in the counterclockwise direction . Each 1/4 of turn will change the lateral position of the MPI by 2.25 cm on a target localised at 50 m.
4.7. Installation of a sling (accessory) Sling Snap-hook Tactic sling Snap-hook Frame Slot • Position the rear of the sling at the left side of the frame with the buckle facing the frame. • Pass the rear of the sling from the top of the frame through the slot on one side of the frame, under the carbine and up through the slot on the other side of the frame. Pass then the rear of the sling through the buckle. Buckle Sling • Hook the snap-hook of the sling in the sling swivel.
4.8. Installation of the safety rod • If not already done, carry out the safety checks as described in § 4.1. • Pull the charging handle completely rearwards. Safety rod Charging handle • Push the charging handle upwards to lock it at its rear position. When taking its place into the locking notch, the charging handle has a short back movement to the front. Charging handle 30 • From the bottom of the housing of the magazine, position the smaller tip of the safety rod into the chamber.
4.9. Installation of the safety lock • If not already done, carry out the safety checks as described in § 4.1. • Pull the charging handle completely rearwards. • Raise the inspection cover. • Install the safety lock onto the frame taking care to position its middle part against the basis of the inspection cover. Inspection cover Charging handle • Push the charging handle upwards to lock it at its rear position.
5. FIELD STRIPPING Before any intervention on the FS2000 carbine, ensure to be familiar with the safety information given in Chapter 1 of this Owner’s Manual. WARNING Wear eye protection and safety shoes when disassembling and reassembling the carbine to protect you from any injury. • Push the stripping pin located at the right side of the carbine. Stripping pin The stripping pin will then go out at the left side of the carbine. 5.1. Disassembly of the carbine 5.1.1.
CAUTION 5.1.3. Bolt and bolt carrier assembly • Remove the bolt and bolt carrier assembly out of the frame (1) by sliding it forwards and then (2) pulling it upwards. Bolt and bolt carrier assembly Pay attention not to pince your fingers between the switch and the bolt if the rear housing return spring has been inadvertently released.
5.1. Disassembly of the carbine (continued) 5.1.3. Bolt and bolt carrier assembly (continued) Bolt alignment lever 1 2 • (1) Raise the tip of the bolt alignment lever and (2) push the bolt to the bottom of its housing. Bolt • (1) Keeping the bolt alignment lever raised and the bolt pushed, pivot the locking cam (1/4 of turn) and remove it. (2) Remove then the bolt out of the slide body. Do not remove the bolt spring spring.. 34 5.1.4.
The accumulated residues on the gas plug could prevent its removal. In this case, use the OREA 892 as lever to turn the latter latter.. • If necessary, remove the residues from the head of the gas control screw and from the inner diameter of the gas plug housing using the scraper of the OREA 892. • Push OREA 892 into the bottom of the slide rod housing of the barrel receiver. OREA 892 Gas control screw CAUTION Check that the gas plug housing is clean.
5.1.5. Hammer group assembly • Remove the butt plate proceeding as follows : Butt plate - (1) Pull the lower flexible part of the butt plate rearwards out of the frame; - (2) Slide the butt plate upwards and remove it out of the frame. 2 1 • Remove the hammer group assembly by pulling it out of the frame.
5.2. Complementary disassembly 5.2.2. Handguard CAUTION This level of disassembly is sufficient to perform thorough cleaning : further disassembly should only be carried out by an armorer. • Push (1) on the rear lugs of the handguard and (2) remove the handguard out of the frame by pulling it downwards. 1 5.2.1. Extractor Frame • (1) Using OREA 892, remove the extractor axis from the bolt body. OREA 892 • (2) Remove the extractor from the bolt body.
5.2. Complementary disassembly (continued) 5.2.3. Magazines (a) 10-round magazine • Press the 2 lugs of the bottom plate lock and then remove it from the magazine body. • Remove the bottom plate. CAUTION Take care to hold the magazine follower spring at the same time so that it does not expand suddenly. Bottom plate lock • Remove the magazine follower spring assembled with the magazine follower from the bottom of the magazine body.
(b) 30-round magazine • Using the rim of a spent round or the tip of a flat head screwdriver, push in the spring on the bottom plate access slot and slide the floor plate off the magazine body to the rear. CAUTION Take care to hold the magazine follower spring at the same time so that it does not expand suddenly. • Remove the magazine follower spring assembled with the magazine follower from the bottom of the magazine body.
5.3. Complementary reassembly 5.3.1. Extractor 5.3.2. Handguard • Install the extractor on the bolt body taking care to orientate its catch in front of the ejector. • Position the handguard below the frame so that it is aligned with the tip of the frame. Install the handguard against the frame and firmly push it upwards. Check that the 2 extractor springs are installed in their notches of the bolt.
5.3.3. Magazines (a) 10 rounds magazine • Orient the magazine follower and spring as when disassembled and introduce it into the magazine body from the bottom. • Completely introduce the magazine follower spring into the magazine body and maintain control of it. Magazine body • Position the bottom plate against the bottom of the magazine body and then insert the bottom plate lock into its housing.
5.3.3. Magazines (continued) (b) 30 rounds magazine • Orient the magazine platform and spring as when disassembled and introduce it into the magazine body from the bottom. • Completely introduce the magazine platform spring into the magazine body and maintain control of it. Magazine body • Slide the bottom plate from rear to front over the magazine platform spring and under the guides until fully seated.
5.4. Reassembly of the carbine 5.4.1. Hammer group assembly • If not already done, cock the hammer into the primary sear. Check that the hammer group assembly does not protrude out of the frame once reinstalled. • Install the butt plate proceeding as follows : Hammer uncocked - (1) Pull the lower flexible part of the butt plate rearwards; cocked • Install the hammer group assembly into the frame taking care to introduce it along the corresponding notches of the frame.
5.4. Reassembly of the carbine (continued) 5.4.2. Gas plug and piston • Check that the notches of the 3 piston rings are not aligned to avoid a gas leak by this way. CORRECT INCORRECT • Install the gas plug in such a way that it does not cover the gas plug plunger. Gas Gas plug plug plunger x3 CORRECT Piston ring Reminder : do not remove the piston rings during the field stripping stripping.. • Install the piston into its housing.
5.4.3. Bolt and bolt carrier assembly • Turn the gas plug counterclockwise until it stops. The gas plug is then positionned at the ‘normal’ position. Before reinstalling the bolt, check the mobility of the ejector by pushing and then releasing it. If there is a problem, consult your dealer / departmental armorer armorer.. • Check if the bolt spring is present inside the slide body.
5.4. Reassembly of the carbine (continued) 5.4.3. Bolt and bolt carrier assembly (continued) • Holding the bolt, introduce the locking cam orientating its flange upwards. OREA 892 Bolt alignment lever 1 • Check if the extractor works correctly by turning the release unit clockwise (1/4 of turn without excessive strength) : the extractor should raise. If the extractor does not raise when the release unit pivots clockwise, check the position of the extractor springs.
• Position the bolt and bolt carrier assembly vertically by supporting it on the tip of the slide rod. (1) Slide the rear housing return spring downwards to allow the reinstallation of the switch. • (2 and 3) Position the switch on the slide body by progressively releasing the rear housing return spring which is going to its place due to the return spring.
5.4. Reassembly of the carbine (continued) 5.4.4. Barrel receiver Before reinstalling the barrel receiver receiver,, ensure that the switch plungers work correctly by pushing and then releasing them. • Press the stripping pin to lock the barrel receiver on the frame. • Introduce the barrel receiver on the frame by sliding it along the frame taking care to introduce the sliding rod into its housing. • Firmly push the barrel receiver until it stops.
• Examine the outer shape of the carbine and ensure it is correctly reassembled. • Pull the charging handle completely rearwards and then release it. UTOMA OMATIC TIC). SEMI-A • Set the fire selector to the position ‘1’ (SEMITIC OMA SEMIAUT • Pull the trigger. • Set the fire selector to the position ‘S’ (SAFETY).
6. CLEANING AND LUBRICATION Before any intervention on the FS2000 carbine, ensure to be familiar with the safety information given in Chapter 1 of this Owner’s Manual. The frequency at which the FS2000 carbine should be cleaned and lubricated depends on the ammunition used, the weather, the shooting conditions and other external factors.
6.1. Lubricant and solvents specifications 6.2. Cleaning and lubrication tools FN HERSTAL recommends using lubricant Nycolube 127 CLP or equivalent (reference US MIL-PRF-63460 or NATO S-758). 6.2.1. Tool and combination scraper OREA 892 For the US Market, CLP is available under the following names and trademarks : The tool and combination scraper OREA 892 contains the following tools : CLP-NC by BREAK-FREE INC ¾ A scraper OREA 892A, - SENT-CLP by SENTINEL CANADA ¾ A plug OREA 892B.
6.3.
The following procedure assumes that the FS2000 carbine has correctly been cleaned and lubricated the last time it has been used (see § 6.4). • Carry out the field stripping procedure (see § 5.1) and, if necessary, some parts of the complementary disassembly procedure (see § 5.2). • Introduce a cleaning handle (equipped with a swab) into the barrel through the chamber. Fit a clean rag (a piece of flannel) into the swab and then remove the cleaning handle to remove the maintenance lubricant.
6.4. Cleaning and lubrication after firing • Carry out the field stripping procedure (see § 5.1) and, if necessary, some parts of the complementary disassembly procedure (see § 5.2). 6.4.1. Barrel receiver • Clean the chamber proceeding as follows : - Introduce a chamber cleaning brush into the chamber. - Clean the chamber by turning the chamber cleaning brush. • Using the chamber cleaning brush, clean the piston housing of the gas block proceeding the same way as for the chamber (see upper).
6.4.2. Bolt and bolt carrier assembly • Introduce a cleaning brush through the chamber and clean the inside of the barrel on its overall length with backward and forward motion until it is visually clean. • Introduce a cleaning handle (equipped with a swab) into the barrel through the chamber. Fit a clean rag (a piece of flannel) into the swab and then remove the cleaning handle to remove the maintenance lubricant. Repeat this handling until the piece of flannel goes clean out of the barrel.
6.4. Cleaning and lubrication after firing (continued) 6.4.2. Bolt and bolt carrier assembly (continued) 6.4.3. Hammer group assembly • Lubricate the bolt and bolt carrier assembly proceeding as follows : • Check the general cleanness of the hammer group assembly. If necessary, use a soft cloth to clean it. - Oil the bolt body. - Oil the ejector and ensure it is completely lubricated by pushing and then releasing it several times. - Slightly oil (1 drop of oil) the locking cam and the unlocking ramp.
6.4.4. Frame and handguard 6.4.5. Magazine • Check the general cleanness of the frame and the handguard. If necessary, use a soft cloth to clean them. • Check the general cleanness of the magazine. If necessary, use a soft cloth to clean it. • Check the general cleanness of the 2 metallic rails located inside the frame. If needed, using a cleaning brush, clean the 2 metallic rails. • The inside of the magazine can slightly be oiled and then directly wiped using a soft cloth.
7. TAKING CARE OF THE CARBINE x Always keep the carbine in immaculate condition and good working order. x Always clean and lubricate the carbine after use. x Regularly inspect the carbine, its parts and accessories. If something seems abnormal, do not hesitate to report it to your dealer / departmental armorer. x Never modify or repair parts of your carbine (or any other one) by yourself.
8. TROUBLESHOOTING Before any intervention on the FS2000 carbine, ensure to be familiar with the safety information given in Chapter 1 of this Owner’s Manual. 8.1. Immediate actions ¾ If the carbine fails to fire : • Set the fire selector to position ‘S’ (SAFE) (SAFE). • Remove and check the magazine. • If the magazine is empty : - Insert a loaded magazine. - Cock the weapon. - Set the fire selector to position ‘1’ (FIRE) and resume firing.
8.1. Immediate actions (continued) ¾ If there are no rounds or cases trapped in the receiver, and if the bolt does not fully close and lock : • Pull the charging handle back until it contacts the bolt carrier rod and rotate it outwards. • Maintaining it in an extended position, push the charging handle forwards. 9. ACCESSORIES ¾ Sling ¾ In case of repeated stoppages : • If the carbine is : - dirty due to prolonged firing or lack of thorough cleaning. - has been exposed to sand, dust or mud.
NOTES NOTES 61
FN HERSTAL FNH USA, LLC PO Box 697 McLean, VA 22101 Catalog 3480054050 August ‘06
