Invector Interchangeable Choke System

All A-500G shotgun barrels have been threaded to accept the Browning Standard Invector Interchangeable Choke System. You may confirm this by looking on the right side of your barrel where the specifications are inscribed, and where the choke markings are normally located. The word INVFCTOR denotes that the barrels exception: after inserting the magazine follower into the magazine tube, place the magazine spring retainer directly on the end of the magazine spring. Then insert the other end of the magazine spring into the magazine tube and compress it into the magazine tube. With hand pressure, seal the magazine spring retainer fully into the are threaded. The degree of choke tube is indicated twice on each choke tube: Inscribed on the side of the tube, and indicated with a "notch" code on the top rim of the tube. Invector Choke Tubes are made with tempered steel and are fully compatible with all FACTORY AMMUNITION (loaded in compliance with SAAMI specifications) including Magnum lead and steel shot loads and rifled slug loads.

DO NOT FIRE THIS SHOTGUN WITHOUT HAVINGAN INVECTOR CHOKETUBE INSTALLED.

Permanent damage may result to the threads.

DO NOT USE BROWNING INVECTOR CHOKETUBES IN ANY SHOTGUN BARRELS NOT SUPPLIED BY BROWNING. ALSO, DO NOT USE ANY OTHER CHOKING DEVICE IN ANY SHOTGUN BARREL SUPPLIED BY BROWNING. USEONLY CHOKE TUBES MARKED INVECTOR.

CAUTION: WHENEVER HANDLING ANY SHOTGUN FOR THE PURPOSE OF REMOVING OR INSTALLING A CHOKING DEVICE, MAKE ABSOLUTELY CERTAIN THE GUN IS FULLY UNLOADED, AND THE BOLT OR BREECH IS LOCKED OPEN! NEVER A TTEMPT TO RE MO VE OR INSTALL A SHOTGUN CHOKING DEVICE ON A LOADED FIREARM!

TUBE REMOVAL—

1 UNLOAD YOURA-500GFULLY, IN-SPECTTHE CHAMBER, FEED MECHANISM AND MAGAZINE TO MAKE SURE THEY DO NOT CONTAIN ANY SHELLS.

2. Open the action, locking it rearward, and place the "safety" in the "on safe" position.

3. Use the Invector wrench to loosen the lube, turning it counterclockwise. Finger-twist the tube the rest of the way out of the barrel.

THE INVECTOR CHOKE TUBE SHOULD BE PERIODICALLY CHECKED TO ASSURE THAT IT IS TIGHT AND FIRML Y SEATED. BEFORE CHECKING, FOLLOW THE SAFETY GUIDELINES OUT-LINEDABOVE. Replacement and additional tubes and wrenches are available from your Browning dealer, or by writing to the

Browning Consumer Department, Route 1, Morgan, Utan 84050. (801) 876-2711.

Canadian customers please call or write to Browning Canada Sports Ltd./Ltee, 3167 De Miniac, St. Laurent, Canada H4S 1W6. (514) 333-7261.

INVECTOR CHOKE TUBE CODE —

To identify individual Invector tubes, refer to the abbreviated indicialions on the side of the tube, or use the identification mark(s) located on the top rim of each lube (See Figure 21).

TUBE INSTALLATION—

1. UNLOAD YOURA-500GFULLY. INSPECT THE CHAMBER, FEED MECHANISM AND MAGAZINETO MAKE SURE THEY DO NOT CONTAIN ANY SHELLS.

2. Open the action locking it rearward and place the "safety" in the "on safe" position.

3. Before installing a tube, check the internal choke lube threads in the muzzle, as well as the threads on the Invector choke tube to be sure they are clean. Lightly oil the threads with an oil like Browning Oil.

4. Using your fingers, screw the appropriate lube into the muzzle end of the barrel, tapered end first, notched end outward. When it becomes linger-tight, use the Invector choke wrench to firmly seat the tube.

INVECTOR TUBE SELECTION

To help you choose the correct choke tube for each hunting situation, all Browning Invector choke tubes are inscribed on the side with the patterns they produce with both lead and steel shot. Each Invector tube also has notches in the lop rim of the lube. These notches are a code to allow you to determine the choke designation while the tube is installed. Rim notches refer specifically to lead shot. You will need to use the chart below to cross-reference from lead to steel, and determine the appropriate tubes for vour ammunition and hunting/ shooting situation.

Several tubes are supplied with your Browning shotgun. The tubes listed are also available as accessories. Remember, Invecior-Plus and standard Invector lubes are not interchangeable. Invecior-Plus tubes

Shotgun Invector Plus Choke Chart

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are for Browning guns wiili back-borcd barrels and arc not lor use on your A-S()(Ki. Before removing/installing lubes, or reading I ho rim notch code, make sure your shotgun is fullv unloaded.

Notches

Pattern With Ix';ul Shot

Pattern With Steel Shot

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Full

Imp. Modified Modified Imp. Cylinder Skeel Cylinder X-I'ull Spec ial lull*-lull — Modified Imp. Cylinder" Imp. Cylinder •••

Wot for use with stiv! shot. I 'siufi an orer-tight choke constriction with steel shot wtft result in on inej)i\'tire% blown ¡Hit tern

"lixtra l ull s/H'cmI with knurled rim and no rim cotle. !>o not nse with sled shot.

##'U hen more than one choke designation is listed for a wren steel shot fx it tern. ttse the won* ofieH chofo listed for high rdiK'itw la>y*er shot size >f<fl shnt ttnids

CAUTION: DO NOT USE STANDARD IN-VECTOR CHOKE TUBES IN BARRELS MARKED INVECTOR-PLUS. DO NOT USE INVECTOR-PLUS CHOKETUBESIN BARRELS MARKED INVECTOR. FAILURETO FOLLOW ALL OFTHEABOVEWARNINGS CAN DAMAGE YOUR GUN AND CAUSE INJURYTO YOURSELF AND OTHERS.

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Responses

  • fiona
    How heavy is a shot pellet?
    8 years ago
  • franciszek
    How to identify invector choke tubes?
    8 years ago
  • Freya
    How to install Invector choke system?
    8 years ago
  • maya
    Where is a choke tube installed on a shotgun?
    7 years ago
  • saarinen
    What shotgun choke for buckshot?
    7 years ago
  • GENEROSA
    What choke for browning a 500g?
    3 years ago
  • caradoc
    What choke for browning a 500g extended choke?
    3 years ago
  • j
    How does the invector operate?
    4 months ago

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