Winchester 1300 Pump Shotgun Owners Manual

							Winchester Model 1300 Pump Shotgun OwnerÕs Manual
Licensee 
						

							Important instructions for 
Winchester Model 1300 
Pump Shotgun
U.S. Repeating Arms Company, Inc.
275 Winchester Ave.
New Haven, CT, U. S. A. 06511-1970
Winchester trademarks licensed from Olin Corporation. 
Use the space below to record information about your
new Model 1300 shotgun.
Model _________________________________________
Serial Number  __________________________________
Purchased From  _________________________________
Date of Purchase  ________________________________
We sincerely hope that you are pleased with your new
Winchester Model 1300. We at U.S. Repeating Arms
Company thank you for the privilege of crafting this
shotgun for you. We are especially proud of the many
years of enjoyment it is certain to provide for you and
your family. The Model 1300 is another shotgun in an
over 130 year-old tradition of producing quality firearms
for the WorldÕs sportsmen. Quality of manufacture,
design, craftsmanship and function are of utmost con-
cern to us. We believe youÕll find that your new 1300
meets the Winchester tradition of quality in every way.
If you have any questions or comments regarding your
new firearm, please feel free write to us. 
						

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Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Page
Gun safety warnings . . . . . . . . . . . . . . . . . . . . . . . . . . .2 - 3
General description  . . . . . . . . . . . . . . . . . . . . . . . . . . .3 - 4
Terminology and descriptions . . . . . . . . . . . . . . . . . . . . . .4
Serial number  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Ammunition  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Magazine capacity  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
General operation/special reminders  . . . . . . . . . . . . . .5 - 8
Initial cleaning/Oiling the action  . . . . . . . . . . . . . . . . . . .8
Operation of the safety  . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Installing/removing the bolt  . . . . . . . . . . . . . . . . . . . . . . .9
Initial Assembly  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Loading/unloading procedures   . . . . . . . . . . . . . . . .11 - 12
Firing procedures  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
In the case of a misfire   . . . . . . . . . . . . . . . . . . . . . . . . . .13
Removing the 3-shot plug . . . . . . . . . . . . . . . . . . . . . . . .14
Full Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 - 21
Sight adjustments  . . . . . . . . . . . . . . . . . . . . . . . . . .21 - 22
Winchoke
¨System  . . . . . . . . . . . . . . . . . . . . . . . . .22 - 25
Cleaning and maintenance suggestions  . . . . . . . . .25 - 27
Ordering parts  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Service or Repair  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
No pump is faster than todayÕs Winchester Model 1300. And
thereÕs no pump shotgun with more modern advantages. The 1300
has an overall design that is uniquely durable, drawing on nearly a
century of Winchester firearms pump shotgun experience. 
The Model 1300 is a gun for these times. It stands comparison
with every other slide action on the market past and present. The
reasons are many, but avid slide gunners know that the big advan-
tage of a 1300 is speed. A 1300 is so fast, we like to think of it as
the ÒSpeed Pump.Ó
In more ways than one itÕs Òthe pump that thinks itÕs a semi-auto.Ó
HereÕs why: a fraction of a second after you pull the trigger and fire
a 1300, the lugs of the ultra-strong rotary bolt begin disengaging
from the barrel extension. Recoil forces still present in the gun
then assist the slide rearward. You can feel the slight rearward
force on the forearm as you shoot, which makes it much easier to
begin your pumping action. And youÕll find that you will complete
the pumping action forward quickly and without conscious effort.
In a brief instant youÕve cycled a shell and are ready for a second
shot. Speed like this makes a big difference allowing you to set up
for a second shot more quickly and concentrate on your target Ñ
not just on pumping.
With the 1300Õs rotary bolt design, the lugs engage directly in the
lug recesses in the barrel extension. This is an unusually strong,
consistent and reliable lockup design used on many military
firearms.
Every design feature works together to make what many consider
the most reliable pump shotgun on the market today. 
						

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GUNSAFETYWARNINGS
IT IS ESSENTIAL THAT THESE OPERATING
INSTRUCTIONS BE THOROUGHLY STUDIED
BEFORE USING THIS FIREARM TO ASSURE
PROPER AND SAFE GUN HANDLING. FAILURE
TO FOLLOW THESE INSTRUCTIONS OR FAIL-
URE TO OBEY ANY SAFETY WARNING MAY
RESULT IN INJURY TO YOURSELF OR OTH-
ERS, OR CAUSE DAMAGE TO YOUR GUN. 
As a gun owner, you accept a set of demanding responsi-
bilities. How seriously you take these responsibilities can
be the difference between life and death. There is no
excuse for careless or abusive handling of any firearm. 
At all times handle your rifle and any other firearm with
intense respect for its power and potential danger.
PLEASE READ AND UNDERSTAND ALL OF
THE CAUTIONS, PROPER HANDLING PROCE-
DURES AND INSTRUCTIONS OUTLINED IN
THIS BOOKLET BEFORE USING YOUR NEW
FIREARM.
1. Do not carry a loaded gun with a live round in the
chamber while walking, running, climbing a tree, crossing
a fence or anywhere you might slip or fall, drop the gun or
otherwise bump or jar the gun. A gun that is dropped,bumped, or jarred with a chambered round might acciden-
tally discharge even with the safety on, causing serious
injury to you or someone else. When a round is cham-
bered keep the safety on until you are ready to shoot.
2. Do not rely on the safety to prevent accidental dis-
charge. Many safeties merely block the trigger and prevent
firing by pulling the trigger. The safety may not prevent
an accidental discharge due to dropping, jarring, or bump-
ing a gun.
3. Use only ammunition for which the gun is chambered
as indicated on the barrel, to prevent excessive pressure
and possible serious personal injury.
4. Incorrectly reloaded ammunition can cause serious per-
sonal injury and damage to the firearm due to excessive
pressure. Reload only after proper instruction and in strict
compliance with instruction and data contained in cur-
rent reloading manuals.
5. Never point a gun at anything you do not intend to
shoot. Always keep it pointed in a safe direction in case of
accidental discharge.
6. Always check to ensure that the barrel is free of
obstructions before loading and using the gun. If you 
experience light recoil or off sound, check the barrel for
an obstruction. 
						

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7. Before firing, clean any grease or oil out of barrel with
cleaning rod and patch. Grease or heavy accumulation of
oil can cause excessive pressure and result in serious 
personal injury.
8. Keep barrel, chamber and action free of rust. Rust in the
barrel and chamber can cause excessive pressures resulting
in serious injury. A rusted, pitted or eroded barrel should
be replaced.
9. Use hearing protection to prevent ear damage from
repeated exposure to gunfire.
10. Always use proper shooting glasses to prevent eye
injury from flying particles.
11. Never carry a loaded gun in a motor vehicle or carry
one into a dwelling. Always carefully unload the gun
before entering a motor vehicle, a dwelling or an area such
as a camp. Always point a gun in a safe direction while
loading or unloading to prevent serious injury in case of an
accidental discharge. Never load in the house or in your
vehicle.
12. Never shoot at a hard, flat surface or at the surface of
water to avoid a ricochet and possible serious personal
injury to yourself or a bystander.
13. Store gun in a clean dry place out of reach of children
and separated from stored ammunition.14. Never alter any parts of your gun. Any alterations or
adjustments that may become necessary to the operating
mechanism should be performed by a qualified gunsmith.
15. Hunting from elevated surfaces such as tree stands is
dangerous. Doing so may increase the risk of handling any
firearm. Always make certain that the stand being used is
safe, sturdy and stable. Always make certain your firearm is
unloaded when it is being taken up and down from the
stand. Always make certain that your firearm is not
dropped from the stand or dropped while it is being taken
up or down from the stand.
Be Careful!
GENERALDESCRIPTION
Your new Model 1300 is one of a number of different ver-
sions and configurations offered. The basic operating pro-
cedures are the same for nearly all of them. Where there
are differences they are pointed out in this booklet for your
convenience. 
The Model 1300 is a pump action design that allows the
shooter to load a round by cycling the action and moving
a shell from a loaded magazine tube to the chamber.  
						

							This can be repeated until the magazine is empty. A single
round can also be inserted into the chamber manually.
TERMINOLOGY
ANDDESCRIPTIONS
Descriptions in this booklet generally refer to the gun in
the horizontal position. That is, in the normal firing posi-
tion. For example, the muzzle is forward or front; the butt
stock is rearward or rear; the trigger is downward or under-
neath; the sight is upward or on top. For general parts ter-
minology, refer to Figure 1.
The Winchester Model 1300 is also shown disassembled
to the extent necessary in order to follow instructionscontained in this book (see Figure 9).  Figure 2 covers the
general features and benefits of the Model 1300 design.
Throughout this manual the ÒactionÓ refers to the mecha-
nism of this shotgun which loads and secures the shells in
the chamber.SERIALNUMBER
The serial number is located on the left side of the 
receiver, just above the trigger guard. Record the serial
number at the front of this book for future reference.
4
FIGURE 1
WinChoke¨ Magazine CapForearm Magazine 
Disconnector
release button 
(Reverse Side) Trigger Guard
Recoil Pad
ReceiverEjection PortVent Rib
Safety
Trigger  Buttstock 
						

							AMMUNITION
All current 12 and 20 gauge Model 1300s have a 3-inch
chamber and are designed to shoot with all factory loads
such as 3 Magnum, 2 3/4 Magnum, 2 3/4 High Velocity,
2 3/4 Field and Target loads. This Winchester proof steel
barrel can safely shoot both lead and steel shot. Special
rifled choke tubes and rifled barrels are designed for shoot-
ing sabot-type slugs. U.S. Repeating Arms Co. can assume
no responsibility for incidents which occur through use of
cartridges of nonstandard dimension or those developing
pressures in excess of SAAMI (Sporting Arms and
Ammunition ManufacturerÕs Institute) established stan-
dards.
MAKE SURE YOU USE ONLY THE EXACT
AMMUNITION/GAUGE AS LISTED ON THE
LEFT SIDE OF THE BARREL. 
Incorrectly reloaded ammunition can cause serious person-
al injury and damage to the firearm due to excessive pres-
sure. Reload only after proper instruction and in strict
compliance with instructions and data contained in cur-
rent reloading manuals.
DISCHARGING FIREARMS IN POORLY 
VENTILATED AREAS, CLEANING FIREARMS,
OR HANDLING AMMUNITION MAY RESULT INEXPOSURE TO LEAD AND OTHER 
SUBSTANCES KNOWN TO CAUSE BIRTH
DEFECTS, REPRODUCTIVE HARM AND OTHER
SERIOUS PHYSICAL INJURY. HAVE ADE-
QUATE VENTILATION AT ALL TIMES. WASH
HANDS THOROUGHLY AFTER EXPOSURE.
MAGAZINECAPACITY
It is extremely important that you know the magazine
capacity of your Model 1300. It is listed on the hang tag 
supplied with your Model 1300. Under appropriate 
circumstances Ñ at a range or other suitable shooting
location Ñ load your magazine to full capacity and make
note of the number of cartridges. Remember, ÒtotalÓ
capacity includes an additional round which can be loaded
manually in the chamber in addition to a full magazine.
GENERALOPERATION/ SPECIALREMINDERS
IMPORTANT: ALWAYS KEEP THE MUZZLE
POINTED IN A SAFE DIRECTION.
Prior to using live ammunition, familiarize yourself thor-
oughly with these operating instructions. Get accustomed
to the feel of your new gun Ñ know the forces required to
operate the action. Learn how to pull the trigger and,
5 
						

							6
The advanced high-strength alloy
receiver is much lighter than steel.The rugged rotary bolt design
engages the barrel extension
instead of the top of the receiver.
No other company offers you more
choices of stock materials.
Deluxe recoil pad for maximum comfort.
MODEL1300 FEATURES 
						

							FIGURE 2
7
Choice of barrels. Choose standard ventilated rib models
with WinChokes; rifled barrels with rifle sights for shooting
slugs; smoothbore barrels with rifle sights; and shorter,
smoothbore barrels for protection uses.
Many Model 1300 hunting models are fitted
with the WinChoke system. It allows you to
change choke constriction to the demands of the
game being hunted. You can easily change the
pattern size and density by simply switching
tubes. Also available is an accessory rifled choke
tube for shooting sabot-type slugs. Model 1300 field guns feature our fully
floating, ventilated rib. On all barrels, as
the barrel heats with shooting, dimen-
sions can vary slightly. The 1300s float-
ing rib design allows the rib to move
without distorting your sight plane.
Faster, power-assisted pumping. The rotary bolt
disengages from the barrel fractions of a second
after the shell fires. The bolt is forced rearward
by inertia, actually assisting you as you pump
the forearm rearward for the next shot.
WinChoke¨threaded choke system.  
						

							8
above all, know the location and operation of the safety.
Procedures for disassembly and operation of various com-
ponents are outlined in the sections below. Please read
and study them thoroughly. In addition, always remember: 
USE THE CORRECT AMMUNITION REFER-
ENCED BY THE INSCRIPTION ON THE 
BARREL.
BEFORE LOADING YOUR GUN BE SURE ALL
GREASE AND OIL HAVE BEEN REMOVED
FROM THE BARREL AND CHAMBER, AND
THERE ARE NO OBSTRUCTIONS. 
INITIALCLEANING
Some metal parts of your new Model 1300 have been
coated at the factory with a rust preventative compound.
Before using your Model 1300, clean the anti-rust com-
pound from the inside of the barrel, receiver, breech bolt
mechanism and the action/chamber areas. A high quality,
light weight gun oil should be used to remove this com-
pound and to give your new gun its first lubrication.
Clean the barrel using a cleaning rod and patch as
explained under ÒCleaning and Maintenance
SuggestionsÓ found later in this booklet. First lubrication
suggestions are outlined below.If your new Model 1300 is to be stored for an extended
period of time, it is permissible to leave the rust preventa-
tive compound in place and keep your Model 1300 in its
box for maximum protection during long-term storage. 
OILING THEACTION
Before beginning assembly of your Model 1300 you should
first wipe the mechanism clean and apply a few drops of
quality oil on the following surfaces 
(see Figure 3):
Avoid applying too much oil. Only a light film is neces-
sary. Excessive oil should be wiped off. 
Oil lightly at these pointsFIGURE 3
EjectorMag tube Firing pinBolt
Lugs