User Guide

CAUTION: WHENEVER HANDLING ANY
SHOTGUN FOR THE PURPOSE OF RE-
MOVING OR INSTALLING A CHOKING DE-
VICE, MAKE ABSOLUTELY CERTAIN THE
GUN IS FULLY UNLOADED, AND THE
BOLT OR BREECH IS LOCKED OPEN!
NEVER ATTEMPT TO REMOVE OR IN-
STALL A SHOTGUN CHOKING DEVICE ON
A LOADED FIREARM!
TUBE REMOVAL-
1. UNLOAD YOUR A-500G FULLY, IN-
SPECT THE CHAMBER, FEED MECHA-
NISM 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” posi-
tion.
3. Use the Invector wrench to loosen the
tube, turning it counterclockwise. Finger-
twist the tube the rest of the way out of
the barrel.
TUBE INSTALLATION-
1. UNLOAD YOUR A-500G FULLY. IN-
SPECT THE CHAMBER, FEED MECHA-
NISM 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” posi-
tion.
3. Before installing a tube, check the inter-
nal choke tube 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
tube into the muzzle end of the barrel,
tapered end first, notched end outward.
When it becomes finger-tight, use the In-
vector choke wrench to firmly seat the
tube.
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