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Table of contents 1 General instructions 2 2 2.1 Safety regulations Safety instructions 2 3 3 3.1 3.1.1 3.1.2 4 4 4 3.2 3.3 Product description Main parts Version with removable magazine Version with fixed fold out cover magazine Main features Scope of delivery 4 4.1 4.2 Transporting the gun Transport in assembled state Transport in the compact case 6 6 6 5 5.1 5.2 5.3 5.3.1 5.3.2 5.3.3 5.4 5.5 5.6 5.7 5.7.1 5.7.2 5.7.3 5.8 5.8.1 5.8.3 5.9 5.9.1 5.9.2 5.9.3 5.9.
Instructions 1 General instructions Be sure to read through these instructions carefully before any manipulation on this SAUER gun. Understanding these instructions and the technically correct implementation of the information contained therein are imperative for the correct preparation and safety during handling, maintenance and care of this SAUER gun. Do not use the gun until you have fully understood all safety instructions and handling procedures.
Safety regulations • Never shoot a gun into which there has been ingress of water, sand, dirt or other foreign bodies. • Never release the tension on the firing pin merely by pulling the trigger. • Never let a loaded gun out of your hands. • Always unload the gun immediately after shooting, before putting it down, putting it in its case or handing it to another authorised person.
Product description 3 Product description 3.1 Main parts 3.1.1 Version with removable magazine 800 100 400 500 600 200 300 700 Fig. 1 Figure with closed slide Item Description Item Description Item Description 100 Magazine tube 400 Slide 700 Front stock 200 Barrel 500 Trigger mechanism 800 Main stock 300 Gas chamber with sights 600 Magazine 3.1.2 Version with fixed fold out cover magazine 100 400 800 500 600 200 300 700 Fig.
Product description 3.2 Main features 3.3 Scope of delivery The SAUER 303 is a high precision hunting rifle built to the latest technology. It is a self-loading rifle with manual clamping mechanism and flint trigger that is simple and safe to operate. The standard scope of delivery includes: The housing is prepared for the installation of the new SAUER telescopic sight isiMount.
Transport 4 Transporting the gun 4.2 4.1 Transport in assembled state Procedure: Transport in the compact case Procedure: 1. Decock the gun (see section 6.2). 1. Decock the gun (see section 6.2). 2. Remove / open the magazine and empty if necessary (see section 5.8.1). 2. Remove / open the magazine and empty if necessary (see section 5.8.1). 3. Unload the gun (see section 5.6). 4. For models with fixed fold out cover magazine, close the empty magazine (see section 5.8.2). 3.
Handling 5 Handling the gun 5.1 Preparing the gun Note: The gun is supplied with a protective and preserving oil and grease coating, and excessive protective oil and grease must be removed prior to first commissioning. The SAUER 303 is supplied in a shock-proof durable plastic case. For safety reasons the magazine must not be installed or flipped in during: – first commissioning and – taking possession of the gun. WARNING! 5.
Handling 5.3 Loading the gun (ready to fire) WARNING! Insufficient awareness of the dangers May lead to death or severe injuries • Never load or unload the gun inside a vehicle, inside a building or any other confined space (except in a designated firing range). • Before loading, always wipe off any excess grease and oil and check that there is no obstruction in the bore of the barrel. • Always keep the muzzle of the gun pointed in a safe direction.
Handling 5.3.3 Silent loading Procedure: Procedure: 1. Aim the gun at a safe target. 1. Depending on the procedure, complete Steps 1 to 5 from section 5.3.1 or 5.3.2. 2. Cock the gun (see section 6.1). 2. Close slide silently (see section 5.7.3). 3. Place finger on trigger tongue and pull back the trigger tongue to discharge the shot. 5.4 4. Keep the gun aimed at the target and fire further shots as required.
Handling 5.5 Reloading during shooting WARNING! 5.6 Unloading the gun WARNING! Insufficient awareness of the dangers May lead to death or severe injuries Gun is ready to fire May lead to death or severe injuries • Never let the gun out of your hands. • Never let the gun out of your hands before it • Keep the gun pointed at the safe target. Procedure: 1. Decock the gun (see section 6.2). 2. Remove or open the empty magazine (see section 5.8.1/ 5.8.2). 3. Fill the magazine (see section 5.8.3). 4.
Handling 5.7 5.7.2 Close the slide Slide Vorgehe WARNING! WARNING! Gun is ready to fire May lead to death or severe injury Uncontrolled discharge of shot May lead to death or severe injuries • The gun must be decocked before every • The gun must be unloaded. manipulation on the slide! 1. Decock the gun (see section 6.2). 2. Remove/open magazine (see section 5.8.1). 5.7.1 Open slide 3. Press slide lock. Procedure: 1. Decock the gun (see section 6.2). CAUTION! 2.
Handling 5.7.3 Closing the slide silently 5.8 In some situations it can be an advantage to close the slide silently. The SAUER 303 is available in two versions: Procedure: Magazine 1. Version with removable magazine 1. Decock the gun (see section 6.2). 2. Version with fixed fold out magazine (so called FM model) 2. Remove/open magazine (see section 5.8.1 / 5.8.2). 5.8.1 Version with removable magazine 3. Hold the loading lever tightly. Removing the magazine 4. Press slide lock. CAUTION! 5.
Handling 5.8.2 Version with fixed fold out magazine 5.9 Open magazine An adjusted flint trigger suitable for use is available for the SAUER 303. Procedure: 1. Press the stud with the pointer finger 107. 2. Open magazine downwards. 3. Empty magazine. Trigger 5.9.1 Rifle trigger Note: • The trigger weight has been set to approx. 13 N (1300 g) at the factory. The flint trigger is a direct trigger with a design dependent minimum stage. – The shot is fired after the resistance has been overcome.
Handling 5.9.2 Sights 5.9.4 Side adjustment of the sight Depending on the selected model, the SAUER 303 is supplied with various sight devices. In each case the gun is shot in the factory with open sight at 50 meters. A subsequent change of the sight device is possible. Procedure: 5.9.3 Height adjustment of the sight Procedure: 1. Place the correct 1.5 mm WAF Allen key in the screw on top of the front sight ramp before the front sight (see Fig. 11). 1.
Hand cocking 6 Hand cocking The SAUER 303 is equipped with a manual hand cocker on the stock handle. This enables the marksman to cock the lock of the gun right before discharging a shot. In decocked condition the mainspring is relaxed, it is impossible to fire a shot. Along with the manual hand cocker, to be operated by the marksman, the SAUER 303 additionally has an internal firing pin safety lock intraLock, which automatically activates if the slide is not completely locked.
Hand cocking 6.2 Decocking gun Dismantling 7 Dismantling Procedure: 1. Lay the thumb on the ribbed surface of the cocking slide116 so that the tip of the thumb half covers the cocking slide pin 117 (see Fig. 15). 2. Press the cocking slide slightly forward and simultaneously press in the cocking slide pin 117 with the tip of the thumb (see Fig. 15). WARNING! Gun is ready to fire May lead to death or severe injuries • There must be no magazine in the gun.
Dismantling 7.4 Barrel removal Procedure: 1. Remove/open magazine (see sections 5.8.1 / 5.8.2). 714 2. Open slide and lock (see section 5.7.2). 3. Remove the front stock (see section 7.3). 800 Fig. 18 7.3 Front stock removal Procedure: 4. Loosen the clamping screws with the supplied Torx spanner 102 by approx. a half turn, however do not remove. 5. Turn the Torx spanner 102 with the long end in opening between the two screws until the stop, so that the housing is slightly pryed open. 6.
Assembly 8 Assembly CAUTION! Gun may be damaged • Only assemble cleaned gun parts. • Only tighten the screws for the stock attachment by hand (only operate the special spanner with two fingers), (see Fig. 23). Fig. 22 8.1 Fitting the barrel CAUTION! Gun may be damaged • Do not use force when inserting the barrel into the magazine tube. • Tighten the screws only so tight as is possible with three fingers. • The spanner must not be extended by attaching a tube.
Assembly Mounting telescopic isi-Mount 9 Mounting telescopic isi-Mount CAUTION! Gun may be damaged • Do not use force when putting on and taking off the telescopic sight. The housing of the SAUER 303 is already prepared for the mounting of the new SAUER telescopic sight "isi-Mount“ (individual, selective, integrated) (see Fig. 24). Fig. 24 Fig. 23 8.4 Fitting the sling attachment Corresponding figure, see Fig. 17. Procedure: 1.
Mounting telescopic isi-Mount 4. Turn the locking lever with the thumb counterclockwise until the stop. 5. Fold down the locking lever frontwards (in firing direction). Fig. 26 9.3 Fig. 25 9.2 Changing eye distance 1. Remove telescopic sight (see section 9.2). Removing telescopic sight CAUTION! 2. The telescopic sight is to be set on the housing so that the rear mounting top section is congruent with the other of the two back grooves. 3. Set on telescopic sight (see section 9.1).
Extras 10 Extras 10.1 Hunting track - Battue For instinct shooting using the open sight, the hunting track -Battue is offered which can be retrofitted on every SAUER 303. Procedure: 1. Remove front stock (see section 7.3). 2. Remove the barrel (see section 7.4). 3. Unscrew the slotted screw on the sight base in front of the rear sight and slide the rear sight out of the base from the side (see Fig. 28). Fig. 29 5. Mount the barrel (see section 8.1).
Care 11 Care 11.1 General Proper functioning and precision of the gun can only be maintained through regular and expert care. The gun must be cleaned and protected against corrosion after each use. The bore must be cleaned and protected against corrosion after each firing. The slide and the slide rail must always be cleaned and lightly lubricated after each firing. Wooden stocks must be treated with a suitable agent in accordance the corresponding instructions and must be protected against the weather.
Care 11.3 Cleaning the slide 11.4 External metal and wood surfaces Proper functioning of SAUER 303 is only guarenteed when the slide and its rail are always maintained absolutely clean and lightly lubricated. For the care and preservation of the external metal and wood surfaces we recommend SAUER Premium gun grease. Minute spherical Teflon® particles seal the pores of all wood and metal surfaces and provide perfect protection and optimal sliding characteristics. – Open slide (see section 5.7.1).
Care Dealing with problems Procedure: 12 1. Thoroughly clean the gun using suitable cloths and cleaning agents. 12.1 Cause and correction of malfunctions 2. Thinly apply the grease with a cloth or sponge over the whole gun (including the stock) including all mechanical and moveable parts. 3. After a reaction time of at least 60 minutes wipe dry and polish the gun with a clean cloth. 4. Dependent on the weather and frequency of use the protective effect will last between two to six months.
Dealing with problems Fault Potential cause Remedy No round chambered. Magazine not properly inserted or closed, deformed or dirty. Insert magazine completely until catch or close (see section 5.8.2). Gun faulty. Repair by manufacturer. Gun is loaded and cocked. When trigger is pulled, no shot is fired. Gun is not completely unlocked. Close slide completely (see section 5.7.2). Pull cocking slide manually back and cock again. Gun does not advance a new round automatically or clamps it tight.
Dealing with problems 12.2 Shipping the gun Note: • Familiarize yourself fully with regional legislation governing the shipping and transportation of firearms. Procedure: 1. Check the gun to ensure that it is unloaded and decocked. 2. Pack the gun well (if possible in its original packaging) to prevent damage in transit. To prevent the gun being recognised as such during shipping, wrap the original packaging in a second outer layer. Do not include any accessories in the shipment. 3.
Technical Specifications 13 Technical Specifications Functional principle Self loading rifle/gas pressure loader Action type Rotary bolt lock, locking in barrel Calibre Medium: 7x64; .30-06; 8x57 IS; 9.3x62 Magnum: .300 Win. Mag. Length, overall approx. 1065 mm (with barrel length 510 mm) approx. 1115 mm (with barrel length 560 mm) Barrel length Medium: Magnum: Stock length (Monte Carlo stock) approx.
Accessories 14 Accessories Spare parts 15 Spare parts Your SAUER 303 is a modular hunting gun which can be easily adapted to new uses at a later date. The complete and current option selection and individual possibilities can be found in the price list, the SAUER hunting catalogue or most conveniently on the SAUER homepage (www.sigsauer.de). There you will also find all telescopic sight assemblies, replacement magazines, sights and any other gun accessories. J. P.
Spare Parts 15.1 Version with removable magazine Item designation Item designation Item designation 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 303 Pan head screw 600 Magazine assembly 601 Magazine case 602 Engaging piece for slide catch 603 Magazine spring 604 Feeder 605 Magazine floor plate Housing assembly Housing, aluminum 2 clamping screws Slide catch lever Leaf spring f. slide catch Lock f.
Spare Parts Fig. 31, pare parts for S 303 (Version with removable magazine) 07.
Spare Parts 15.2 Version with fixed fold out cover magazine Item designation Item designation Item designation 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 303 Pan head screw 600 Magazine assembly 601 Magazine case 602 Engaging piece for slide catch 603 Magazine spring 604 Feeder 605 Magazine floor plate Housing assembly Housing, aluminum 2 clamping screws Slide catch lever Leaf spring f. slide catch Lock f.
Spare Parts Fig. 32, Spare parts for S 303 (Version with fixed fold out cover magazine) 07.
J. P. Sauer & Sohn GmbH gegr. 1751 Sauerstr. 2-6 D-24340 Eckernförde Germany Phone +49 4351 471 100 Fax +49 4351 471 160 www.sigsauer.
