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M40 A1 scopes with cam

E

EvanDaniels

Private
Minuteman
Dec 31, 2024
11
3
Miami
#1
Does anyone remember in the early 2000’s Unertl (or maybe it was leupold) had scopes with a cam adjustment built into the turret. Similar to the rear sight adjustment on the M16 with 100m detents.

I think IBA had these on M40 clones in that time period as well.

Where to find info/ history of these?
 
#2
EvanDaniels said:
Does anyone remember in the early 2000’s Unertl (or maybe it was leupold) had scopes with a cam adjustment built into the turret. Similar to the rear sight adjustment on the M16 with 100m detents.

I think IBA had these on M40 clones in that time period as well.

Where to find info/ history of these?
Click to expand...
IIRC, they were made by Leatherwood and were called ART (Automatic Ranging Telescope) scopes. You can Google for the history.
 
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#6
Do you mean the standard Unertl MST-100 that was used on the M40A1? Had elevation stops for 100-1000yds and a +/- 3moa in 1/2 moa fine tune knob, windage with 4 1/2 or 8 moa adjustment.

The MST-150 was the .50 cal version that had stops out to 1800yds.
 
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#7
1736723438376.png
 
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