Owner's Manual

INVECTOR CHOKE TUBE CODE
To identify individual Invector-Plus tubes, refer to the abbreviated
indications on the side of the tube, or use the identification mark(s)
located on the top rim of each tube (Figure 10).
INVECTOR TUBE SELECTION
To help you choose the correct choke tube for each hunting situation,
all Browning Invector-Plus choke tubes are inscribed on the side with
the patterns they produce with both lead and steel shot. Each
Invector-Plus tube also has notches on the top rim of the tube. These
notches are a code to allow you to determine the choke designation
while the tube is installed. Rim notches refer specifically to lead shot.
You will need to use the chart below to cross-reference from lead to
steel, and determine the appropriate tubes for your ammunition and
hunting/shooting situation.
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FIGURE 10
Cylinder
Full
Imp. Modified
Modified
Imp. Cylinder
Skeet
FIGURE 10-B
A — Invector Plus choke tube
B — Standard Invector
choke tube
A
B
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