Winchester 1300 Pump Shotgun Owners Manual

tact your local Service Representative or U.S. Repeating
Arms Co.
HOW TO REASSEMBLE THE FIRING PIN, BREECH BOLT
AND SLIDE. (12 GAUGE ONLY)
1. Reinstall the firing pin spring over the firing pin. Either
end can go on first.
2. Insert the firing pin (with spring) into the rear opening
of the bolt slide, pin end first.
3. To reinstall the bolt assembly on the slide arm bridge
push or compress the Òknob endÓ of the firing pin suffi-
ciently into the hole in the bolt slide so that the large
space between the...

HOW TO REASSEMBLE THE FIRING PIN, BREECH BOLT
AND SLIDE. (20 GAUGE ONLY)
1. Reinstall the firing pin spring over the firing pin. Either
end can go on first.
2. Insert the firing pin (with spring) into the rear opening
of the bolt slide, pin end first.
3. To reinstall the bolt assembly on the slide arm bridge
push or compress the Òknob endÓ of the firing pin suffi-
ciently into the hole in the bolt slide so that the large space
between the grooved ÒknobÓ and the flange on the firing
pin is centered in the...

sponding slots in the magazine throat at the forward end
of receiver opening as shown earlier in Figure 10.
2. Rotate the trigger guard group towards and into the
receiver opening, until it is parallel with the receiver. 
3. Align the trigger guard group with the hole in the
receiver and install the trigger guard pin from the RIGHT
side of the receiver (ejection port side) until it is flush
with both sides of the receiver. The pin should pass
through easily with little force. If significant resistance...

material that will not mar the sight (see Figure 13). Your
gun will now shoot more to the right. Moving the blade
holder to the left is just as easily done. Note how much
you adjust the sight as you sight in your Model 1300.
Remember: 
¥ Move the rear sight to the right to shoot farther to
the right on the target. 
¥ Move the rear sight to the left to shoot farther to the
left on the target. 
Care should be taken not to mar the finish or bend sights
when adjustments are made.
WINCHOKE¨THREADED CHOKE TUBE...

CAUTION: WHENEVER HANDLING ANY SHOT-
GUN FOR THE PURPOSE OF REMOVING OR
INSTALLING A CHOKING DEVICE, MAKE
ABSOLUTELY CERTAIN THE GUN IS FULLY
UNLOADED, AND THE ACTION IS LOCKED
OPEN! NEVER ATTEMPT TO REMOVE OR
INSTALL A SHOTGUN CHOKING DEVICE ON A
LOADED FIREARM!
DO NOT FIRE THIS SHOTGUN WITHOUT HAV-
ING THE WINCHOKE CHOKE TUBE
INSTALLED. PERMANENT DAMAGE MAY
RESULT TO THE THREADS.FAILURE TO FOLLOW THESE WARNINGS MAY
CAUSE DAMAGE TO YOUR GUN AND CAUSE
INJURY TO YOURSELF AND OTHERS.
TUBE REMOVAL
1. Fully...

24
TUBE INSTALLATION 
1. Fully unload your Model 1300. Place the safety in the
ÒON SAFEÓ position.
ALWAYS UNLOAD YOUR MODEL 1300 COM-
PLETELY. INSPECT THE CHAMBER, MAGA-
ZINE AND FEED MECHANISM TO MAKE SURE
THEY DO NOT CONTAIN ANY SHELLS.
2. Open the action and lock it open as explained 
previously.
3. Before installing a tube, check the internal choke tube
threads in the muzzle, as well as the threads on the
WinChoke choke tube to be sure they are clean. Lightly
oil the threads with quality light gun...

SPECIALCARE OFCHOKETUBES AND CHOKE TUBE
THREADS
1. If your gun is equipped with WinChoke choke
tubes, do not use a brass brush to clean your gun unless
a choke tube is installed in the barrel. Bristles could
break off and lodge in the threads, making installation
and removal difficult.
2. Regularly remove your gunÕs tube in order to clean
and oil the threads inside the barrel, as well as on the
choke tube itself. This will protect the threads from
being damaged and also prevent a dirt build up that
would...

26
CLEANINGPROCEDURES
BE CERTAIN YOUR GUNÕS CHAMBER AND
MAGAZINE ARE UNLOADED. ALWAYS WEAR
PROTECTIVE SAFETY GLASSES DURING 
ALL CLEANING PROCEDURES. KEEP 
AMMUNITION AWAY FROM THE CLEANING
AREA. DO NOT TEST THE FUNCTION OF
YOUR FIREARM WITH LIVE AMMUNITION.
Always place the safety in ÒON SAFEÓ position before
beginning any cleaning procedure. 
1. Use a cleaning rod with a tip and patch suitable for the
size of your Model 1300Õs bore. Make sure the patch is
large enough for a snug fit in the bore. Insert...

8. When transporting only, store your Model 1300 in a
quality protective case to prevent scratches and dents.
Store in a dry place to prevent corrosion. Store away from
children.
MAKE SURE YOUR SHOTGUN IS UNLOADED
AND ALWAYS STORE AMMUNITION 
SEPARATELY.
OTHERCLEANINGSUGGESTIONS
¥ Never pour large quantities of oil into the receiver or
other parts. It can drain down to the wood and soften it Ñ
and cause permanent damage and loosening of the stock.
¥ After extended periods of heavy use, your shotgun...

28
SERVICE ORREPAIR
If your Winchester Model 1300 shotgun should ever need
repair or service, please utilize one of the world-wide net-
work of U.S. Repeating Arms Company Authorized
Repair Centers for Winchester firearms. If you have any
questions about how to obtain service for your
Winchester Model 1300 shotgun, call or write the
Authorized Repair Center (ARC) nearest you. A list of
ARCs is packaged with your new 1300. If you need to
obtain a new list of ARCs call us at:
1-800-945-1392
If you have...