Browning Bt-99 Owners Manual

The Best There Is™
BT-99
TRAP SHOTGUN
OWNER’S MANUAL
02-260-BFA_Revised BT99 OM_Cvr  8/11/03  11:53 AM  Page 2 

THANK YOU FOR CHOOSING A BROWNING
BT-99 TRAP SHOTGUN.We are pleased that you have chosen a Browning BT-99 Trap 
shotgun. In every way it is a firearm you will be proud to shoot
for many years. Take time to follow this manual carefully, and 
you will gain real advantages that will bring out the best in your
shooting ability.
With a reasonable amount of care, your BT-99 should give you
many years of dependable, enjoyable shooting. Please feel free 
to write us immediately if you have any observations...

2YOU ARE RESPONSIBLE FOR 
FIREARMS SAFETY.As a gun owner, you accept a set of demanding responsibilities. How
seriously you take these responsibilities can mean the difference
between life and death. Failure to follow any of these instructions can
cause extensive damage to your gun and/or possible serious injury or
death to yourself and others.THERE IS NO EXCUSE FOR CARELESS OR ABUSIVE HANDLING OF ANY
FIREARM. AT ALL TIMES HANDLE ANY FIREARM WITH INTENSE RESPECT
FOR ITS POWER AND POTENTIAL DANGER.
READ...

chamber does not inadvertently contain any ammunition. Always
keep the chamber empty and the safety in the “on safe” position
(remember, the BT-99 has no manual safety) unless shooting 
is imminent.
4DO NOT TRANSPORT ANY FIREARM LOADED.
Keep all firearms
unloaded during transport, whether stored in a holster, gun case,
scabbard or other container.
5
BEWARE OF BARREL OBSTRUCTIONS.
Do this for the safety of both
your gun and yourself. Mud, snow, and an infinite variety of other
objects may inadvertently...

which develop pressures in excess of commercially available 
ammunition which has been loaded in accordance with standards
established by the Sporting Arms and Ammunition Manufacturers’
Institute (SAAMI).BE ALERT TO THE SIGNS OF AMMUNITION MALFUNCTION. IF YOU
DETECT AN OFF SOUND OR LIGHT RECOIL WHEN A SHELL IS FIRED, DO
NOT LOAD ANOTHER SHELL INTO THE CHAMBER. Open the action and remove the shell from the chamber. With the
action open, glance down the barrel to make sure that a wad or other
obstruction...

fired, the result will be a so-called “12-20 burst” which can cause
extensive damage to your gun and possible serious injury to you 
and others.
9USE SHELLS OF THE CORRECT LENGTH. 
Do not use 3
1⁄2 shotgun shells
in a shotgun or barrel with a 2
3⁄4 chamber or 3 chamber. Do not use
3 shells in a shotgun chambered for a 2
3⁄4 shells. Doing so can result
in a build-up of dangerously high pressures that may damage your
gun and possibly cause serious injury to yourself or others.
The size of the chamber is...

15
DROPPING A LOADED GUN CAN CAUSE AN ACCIDENTAL DISCHARGE.This can occur even with a firearms “safety” in the “on safe” position
(remember, the BT-99 has no manual safety). Be extremely careful
while hunting or during any shooting activity, to avoid dropping 
any firearm.
16IF ANY FIREARM FAILS TO FIRE, KEEP THE MUZZLE POINTED IN A SAFE
DIRECTION.
Hold this position for a minimum of 30 seconds.
Carefully open the action and remove the shell or cartridge. If the
primer is indented, the cartridge should...

serviced by a Browning Recommended Service Center or by
Browning’s service facility in Arnold, Missouri. Browning 
cannot assume any responsibility for injuries suffered or caused 
by unauthorized servicing, alterations or modifications of
Browning firearms.
22BROWNING RESERVES THE RIGHT TO REFUSE SERVICE ON FIREARMS
THAT HAVE BEEN ALTERED, ADDED TO OR SUBSTANTIALLY CHANGED.Removal of metal from barrel(s), or modification of the firing 
mechanism and/or operating parts may lead to Browning’s refusal 
of...

NOMENCLATUREIn conventional gun terminology, the position and movement of
gun parts are described as they occur with the gun horizontal and in
normal firing position; i.e., the muzzle is forward or front; butt stock
is rearward or rear; trigger is downward or underneath; the rib is
upward or on top. For general parts nomenclature refer to Figure 1.
For specific parts names related to disassembly see Figure 2.SERIAL NUMBERThe serial number of your BT-99 can be found on the top tang under
the top lever....

AMMUNITIONAll BT-99 Models are designed to shoot and function with 2
3⁄4 
12 gauge trap loads only. Browning can assume no responsibility for 
incidents which occur through the use of cartridges of nonstandard
dimension or those developing pressures in excess of industry 
standards established by the Sporting Arms and Ammunition
Manufacturer’s Institute (SAAMI).
CAUTION: DO NOT USE 3 OR 3
1⁄2 SHOTGUN SHELLS IN ANY SHOTGUN OR
BARREL WITH A 2
3⁄4 CHAMBER. THE SIZE OF THE CHAMBER IS INSCRIBED
ALONG WITH...