Winchester Repeating Arms X3 Shotgun - Manual (Page 30)

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4. Completely remove the buttstock from the receiver,
along with the existing shim, and install the shim you
have selected (Figure 20). Make certain you have the
proper shim installed and in position before
reattaching the buttstock and recoil pad.
NOTICE! do not use More than one shiM at a tiMe
on the buttstocK.
5. When you are satisfied with the fit, reattach the
buttstock to the receiver with the washer and the nut.
6. Snug the nut with the socket wrench, do not
overtighten.
7. Attach the recoil pad with care, so as not to scratch or
mar the finish of the stock. Wipe any excess
petroleum jelly off the recoil pad.
c omb a DjuStment
Before performing Stock adjuStment procedureS, place
the “SafetY” in the on Safe poSition. open the action
and make certain Your Shotgun iS completelY unloaded.
keep the muzzle pointed in a Safe direction. failure to
follow theSe warningS could reSult in SeriouS injurY
or death.
Drop at comb is defined as the place on the comb that
your cheek rests when taking aim. If drop at comb is
correct, your eye falls in line with the sight bead. Shims
marked 1, 2 and 3 do not give any cast on or off. The
stock remains straight. They only adjust drop at comb.
These shims with their respective stamps are further
clarified here:
• Shim 1 raises the comb approximately 1 /
16
", and the
heel approximately 1 /
8
".
• Shim 2 is neutral. This shim is already installed on
your shotgun.
• Shim 3 lowers the comb approximately 1 /
16
", and the
heel approximately 1 /
8
".
Cast is the offset of the buttstock from the longitudinal
center line of the firearm. Some right-handed shooters
like the stock to angle away (cast off) from their face,
making their line of sight more directly in line with the
rib. Angling the stock to the left for left-handed shooters
is “cast on.” Shims marked 1R1L, 2R2L and 3R3L, will all
adjust drop at comb the same amount as shims 1, 2 and 3,
and will also adjust the cast right or left approximately
1 /
8
". You will notice that the two opposing edges of these
spacers are different in thickness. These shims with their
respective stamps are further clarified here:
• Shim 1R1L adjusts the comb in the increment given
above, (shim 1) and will adjust the cast on or cast off
approximately 1 /
8
". For right-handed shooters, install
this shim between the receiver and the stock with
the R facing the end of the buttstock, so its thicker
side is on the left side. This casts the stock slightly to
the right, away from the face of a right-handed
shooter. If you turn the shim around so the L is
facing the end of the buttstock, and it will cast the
stock to the left.
• Shim 2R2L adds the same amount of cast to the
stock as shim 1RL and the same amount of drop to
the comb as shim No. 2.
• Shim 3R3L adds the same amount of cast to the
stock as 2RL and 3RL, and lowers the comb
approximately 1 /
16
" and the heel approximately 1 /
8
".
t o i nStall a S him
1. Make sure your shotgun is completely unloaded and
the “safety” is in the on safe position.
2. Use a #2 cross tip or Phillips screwdriver to remove
the recoil pad at the end of the buttstock (Figure 16,
page 26). Place a small amount of petroleum jelly on
the screw access slits on the top and bottom of the
rear of the buttstock to prevent damaging the recoil
pad. Insert the screwdriver into each of the two access
holes. Make certain the tip of the screwdriver engages
the head of the screw. Turn the screw counterclockwise
until the screw is completely loose from the stock.
When both screws are free, remove the recoil pad.
3. Using a ½" socket wrench, remove the stock bolt nut
and stock bolt washer. (Figure 19, page 29).
FIGURE 20
Fit the shims to the buttstock.
FIGURE 19
Use a ½" socket to remove
the nut that holds the
buttstock in place.