Re: M1C/Ds (picture)
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: kraigWY</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Quote:</div><div class="ubbcode-body">Did these guns still have the original m82 and m84 scopes?
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Yes, mostly M84's.
I thought they were pretty good scopes. Maybe not fancy Mil Dots but they worked much like a Mil Dot meaning if you knew the width of the target you can use the post ridical as a range finder.
An example, The Post is 3 MOA, meaning it covers 3 inches at 100 yards. That makes the post .03 wide. So taking the E-Silhouette (19 inches wide) the post redical of the M-84 will be teh same width as the E-Silhouette target at 633 yards. (19/.03=633.33). If the target is twice as wide as the front post then your 316.5 yards from the target, etc.
You can do this with any sight if you know the width of the target and the size of the sight.
The average iron sight width of the M1 is .076. Therefore its the same width of the above target at 250 yards: 19/.076=250) That's how we did things before Mil Dots and laser range finders.
Just about any M1 is capable of shooting 3 MOA or better. That means the M1 can keep all the shots in the 19 inch E-target up to 633 yards. ( 19/3 X 100 = 633)
Odd: The range of a 3 inch M1 is 633 yards, The post redical of the M-84 on the M1C/D is the same size as the 19 in. E-Target at 633 yards.
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Thank you, Kraig. Always a good thing to learn more about the practical applications of these older scopes. I used to have an M1D that I built using an original M1D barrel, scope and mount. The purists would turn their noses up at it, but the rifle was physically the same as a CMP one (just a question of who screwed the barrel on and when) as it used all USGI parts except the cheek pad. I sold it a couple of years ago to a friend who owns a jewelry shop. Wish I had it back now...