Winchester Repeating Arms Select - Manual (Page 24)

2. Use the Invector-Plus wrench to loosen the tube,
turning it counterclockwise. Finger twist the tube the
rest of the way out of the barrel.
T UBE I NSTALLATION —
UNLOAD YOUR SELECT SHOTGUN FULLY. INSPECT
THE CHAMBERS TO MAKE SURE THEY DO NOT CONTAIN
ANY SHELLS.
1. Open the action fully downward, and place the safety
in the “on safe” position.
2. Before installing a tube, check the internal choke
tube threads in the muzzle, as well as the threads on
the Invector-Plus choke tube to be sure they are
clean. Lightly oil the threads with a high quality,
lightweight oil.
22
FIGURE 18
Tube Notch Codes (Lead shot designations). Small notches indicate the choke
code. Large notches are for the choke tube wrench.
1 Notch: Full
2 Notches:
Improved Modified
3 Notches: Modified
4 Notches:
Improved Cylinder
5 Notches: Skeet
No Notches: Cylinder
CHOKE TUBE RIM NOTCH CODES AND PATTERNS
Rim Pattern With Pattern With
Notches Lead Shot Steel Shot
Knurled** X-Full Turkey **
I Full *
II Imp. Modified Full 1
III Modified Full 1
IIII Imp. Cylinder Modified
IIIII Skeet Imp. Cylinder
No Notches Cylinder Cylinder
* Not for use with steel shot. Using an over-tight choke constriction
with steel shot will result in an ineffective “blown” pattern.
** Extra Full Turkey with knurled rim. Do not use with steel shot.
1 When more than one choke designation is listed for a given steel shot
pattern, use the more open choke listed for high velocity, larger shot
size steel loads.