Sadlak Industries LLC takes pride in the
precision
and workmanship of the products we sell. These
scope mounts are based on the original
Brookfield Precision Tool
mounts previously purchased by the military. They
are precision machined to fit on any
M14(military) or M1A(civilian
version of the M14) rifle that has been machined to the original GI
specifications. Unfortunately, not all
current M1A receiver manufacturers adhere to the GI specifications
particularly
in the area’s of the stripper clip guide and left side surface and
the left side horizontal groove. Older
receivers have a
better track
record. If your M1A receiver is made
correctly, this scope mount will fit against your receivers left side
perfectly. The key on the inside of the
mount will seat into the horizontal groove with only a small amount of
play and
the inside surface of the mount will rest flush, with no gap or visible
light showing, against the machined surfaces
on the
left side of the receiver. If your mount
does not fit
this way then your receiver is not within GI specifications.
According to the GI receiver drawing #7790189
the 60
degree groove on the left side should be .070/.078” (per blueprint)
wide at the bottom
and
.149/.153” (calculated from gage point) wide at the top. Our
study shows that the GI groove is tightly machined with a tolerance or
play of only .004 in the vertical movement. If your mount does
not fit correctly, it’s
most
likely this groove is not within GI specifications and is cut too
shallow
resulting
in a groove that is too narrow. To get your scope mount to fit
perfectly with assured zeroing, Sadlak
Industries
LLC can machine the inside key of your scope mount for an additional
charge. Please call for pricing and
shipping procedures and to check if we have in inventory (non0GI spec.)
mounts that have been specially machined with a left side key which is
narrower to fit "out -of-spec" M1A receivers.
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