Winchester Repeating Arms Supreme (Historic Manual) - Manual (Page 10)

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Figure 2 covers the general features and benefits of the
Supreme design.
Throughout this manual the “action” refers to the mecha-
nism of this shotgun that secures the shell in the chamber.
S ERIAL N UMBER
The serial number is located on the top tang of the receiv-
er under the top lever. A duplicate number is located on
the bottom of the barrels (when removed) on the flat sur-
face crossing the barrels below the hinge bearing surface.
Record the serial number at the front of this manual for
future reference.
A MMUNITION
There are several different versions of the Supreme. The
gauge and chamber length are inscribed on the side of the
barrel, forward of the receiver. They are inscribed as fol-
lows on the receiver:
• 2 3/4" and 3" Magnum. These models are designed to
shoot all factory loads from 2 3/4" up to 3" Magnums.
The chamber is designed to accept up to 3" factory loads.
(It is not designed to shoot 3 1/2" shells.)
• 2 3/4". Supreme shotguns with this designation are
usually target models. They are specifically configured to
be able to handle all factory 2 3/4" loads including the
lightest target loads up to heavy 2 3/4" hunting field loads.
(2 3/4" Target models are NOT designed to shoot 3" or
3 1/2" shells.)
Take extreme care to note the gauge of your shotgun as
inscribed on the side of the barrel. You must shoot only
shells of the correct gauge.
For example, inadvertently
placing a 20 gauge shell in a 12 gauge gun is extremely
hazardous. The 20 gauge shell can slide forward through
the chamber. The rim of a 20 gauge shell will stop when it
comes in contact with the end of the 12 gauge chamber
(an area called the forcing cone). It is possible for the
shooter to think that the chamber simply is not loaded
and then insert a 12 gauge shell over the top of the 20
gauge shell. When the 12 gauge shell is fired this will
cause the barrel to burst, destroying your gun and possibly
causing serious injury to yourself or others.
Never mix shells of different gauges in hunting clothes or
other gear. Train young shooters about the importance of
using the correct ammunition for any gun.
MAKE SURE YOU USE ONLY THE EXACT AMMUNI-
TION/GAUGE AS LISTED ON THE LEFT SIDE OF
THE BARREL.
U.S. REPEATING ARMS COMPANY, INC., CAN ASSUME
NO RESPONSIBILITY FOR INCIDENTS WHICH
OCCUR THROUGH THE USE OF CARTRIDGES OF
NONSTANDARD DIMENSION OR THOSE THAT WHEN
Supreme Manual 01/01 7/17/03 11:00 AM Page 8