The words INVECTOR-PLUS mean your shotgun uses the
Invector-Plus choke tube system designed for use in Browning
12 gauge shotguns with back-bored barrels. The extra length,
combined with special tube tapers, gives the finest possible patterns
for target shooters. Plus, you retain the same choke switching
convenience of the Standard Invector system. Invector choke tubes are
all fully steel and lead shot compatible. A special choke tube wrench is
provided to remove and tighten these tubes.
CAUTION: Invector-Plus tubes are for use in Browning shotguns
with Browning back-bored barrels only (.745” + 0 - .005), and are
not interchangeable with 12 gauge Standard Invector choke tubes.
Do not use Invector-Plus tubes in barrels threaded for Standard
Invector tubes. Do not use Standard Invector tubes in barrels threaded
for Invector-Plus tubes. Failure to follow these warnings may cause
damage to your gun and cause injury to yourself and others.
NOTE: If your BT-99 has Standard Invector or Invector-Plus choke
tubes, carefully adhere to the following instructions.
DO NOT FIRE THIS SHOTGUN WITHOUT HAVING AN INVECTOR CHOKE TUBE
INSTALLED. PERMANENT DAMAGE MAY RESULT TO THE THREADS INSIDE
THE BARREL.
25
Available 12 Gauge Invector-Plus™ tubes:
RIM NOTCHES CHOKE DESIGNATION CHOKE DESIGNATION
WITH LEAD WITH STEEL
X on side of tube X-Full Special
*
IFull
**
II Improved Modified Full
III Modified Improved Modified
IIII Improved Cylinder Modified
IIIII Skeet Improved Cylinder
No notches Cylinder Cylinder
02-260-BFA_Revised BT99 OM 8/11/03 11:48 AM Page 25
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