Winchester Repeating Arms 9410 Top Tang Safety (Historic Manual) User Manual
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3. Use the Standard Invector wrench to loosen the tube,
turning it counterclockwise. Finger twist the tube the rest
of the way out of the barrel.
T
UBE INSTALLATION
—
1. Place the safety in the “on safe” position and fully
unload your Model 9410.
ALWAYS UNLOAD YOUR MODEL 9410
COMPLETELY. INSPECT THE CHAMBER,
MAGAZINE AND FEED MECHANISM TO MAKE
SURE THEY DO NOT CONTAIN ANY SHELLS.
2. Open the action.
3. Before installing a tube, check the internal choke tube
threads in the muzzle, as well as the threads on the
Standard Invector choke tube to be sure they are clean.
Lightly oil the threads with quality light gun 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 Standard
Invector choke tube wrench to firmly seat the tube.
DO NOT OVER TIGHTEN or forcefully tighten
with wrench.
CHOKE TUBES SHOULD BE PERIODICALLY
CHECKED TO ASSURE THAT THEY ARE
TIGHT AND FIRMLY SEATED. BEFORE
CHECKING, FOLLOW THE SAFETY
GUIDELINES OUTLINED ABOVE.
Replacement and additional tubes and wrenches are
available from your Winchester firearms dealer.
S
TANDARD
I
NVECTOR CHOKE
I
DENTIFICATION
—
To identify individual Standard Invector choke tubes,
refer to the abbreviated indications on the outside rim
of each tube (Figure 24).
S
ELECTING THE CORRECT
S
TANDARD
I
NVECTOR TUBE
—
The Standard Invector choke system is fully compatible
with factory lead or steel shot loads. The conversion chart
includes both lead and steel shot information (Figure 25).
Lead and steel shot perform differently in tubes with the
same choke constriction. For this reason, both lead and
steel designations have proven necessary. In fact, even
larger steel shot diameters result in different patterns than
smaller steel shot sizes. Each designation is inscribed on
each choke tube.
S
PECIAL NOTE ON SHOTGUN SLUGS
—
Cylinder or Improved Cylinder Standard Invector chokes
are suitable for shooting rifled slugs or sabot-type slugs.
Never shoot slugs or sabots in any Standard Invector
barrel with the choke tube removed.
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