Winchester Repeating Arms X Pump (SXP) - Manual (Page 25)

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are equipped with a cantilever scope base. If your shotgun
has a cantilever mount, follow the mounting instructions
supplied with your scope rings and/or scope. If your
shotgun’s receiver is drilled and tapped for scope mounts,
four holes (in line, in pairs on top of the receiver) will be
visible. They are fitted with filler screws. If yours is drilled
and tapped you must adhere to the following:
NOTICE! your winChester shotgun is drilled and
taPPed For the Mounting oF bases and rings to
aCCoMModate an aPProPriate sCoPe or sight.
always use the CorreCt bases For this shotgun
with the aPProPriate length sCrews whiCh are
at least
11 ⁄
32
" in length.
1. Open the action and place your shotgun on a table or
other safe/secure location. Protect the finish with rags
or other padding.
2. You should have two Super X Pump-compatible bases
and four screws of at least 11 /
32
" in length. Make sure
your bases are compatible with your Super X Pump.
3. Clean all oil, grease or dirt from the receiver top and
from the scope base parts.
4. Position your shotgun in the upright position with the
top of the receiver upward.
5. Remove all four filler screws from the top of the
receiver using a very small, thin-bladed gunsmithing-
type screwdriver.
6. Pre-position the bases on the receiver top to determine
the best orientation of the bases. Most bases have
transverse grooves cut into them that are offset from
the middle. These are the grooves that the crossbolts in
your scope rings will pass through. The grooves are
offset to allow you to position the bases to fit the
design/length of your scope and the placement of
the scope front to back for proper eye relief. Place
both grooves to the rear, both to the front, or one
in each direction, depending on your scope and
desired position.
7. Once you know which configuration you will use,
insert the screws through the bases and screw them
into the receiver top using the correct wrench or
screwdriver (usually a 3 /
32
" hex wrench). You must
use screws which are at least 11 /
32
" in length to ensure
proper thread engagement.
Many gunsmiths find it helpful to use a drop of
serviceable thread locking compound to assure the
screws stay tight. Make sure the compound does not
get into the action. Be careful to assure that the
threads of each screw engage properly in the threads in
the receiver to prevent stripping the threads in the
alloy receiver.
8. Tighten the screws snugly, but do not overtighten.
9. Mount your scope rings and scope as outlined in the
instructions supplied with your scope rings and/or
scope. Always make sure you have the proper eye relief.