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Thread: US Marine Corps Release RFI for NEW Infantry Rifle Optic

  1. #11
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    Quote Originally Posted by Big Dummy View Post
    Are you not seeing the small aperture is flipped in the down position? Large one for up close so you don’t lose your battlefield awareness. Small aperture for distance shots.
    Now you got me Googling M16 groupings.

    I did, and that's disappointing.
    Last edited by MrogersNhood; 05-14-2019 at 02:56 PM.

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  3. #12
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    I think this is actually a good optic choice for the M27 IAR, which is essentially a heavy barrel, piston driven M4 carbine.

    It allows use at 1x with both eyes open, which is better for faster acquisition, as well as a significant bump in magnification at distance.

    Reticles are illuminated for low light performance and many (like these scopes Im sure) have night vision compatible reticle options as well.



    The reticles are pretty good at ranging targets and allowing rapid holdovers. I've had no issues with making hits on steel rapidly from 75 yards to 400 and back without touching the elevation knob.

    This type of scope does have some drawbacks, weight is comparable to an ACOG, the design needs good glass at that magnification range, and they could use a slightly larger objective in low light.

    Here's a video showing the intent behind low power variable optics.

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    Quote Originally Posted by Big Dummy View Post
    Are you not seeing the small aperture is flipped in the down position? Large one for up close so you don’t lose your battlefield awareness. Small aperture for distance shots.
    The M-16A2 rear sights have two sights, battle sights with a large aperture and a smaller aperture for targets beyond 300 yards but still larger than the rear sight aperture on the M-14 or M-1 Garand.

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    My ArmaLite 1997 AR10A2 may have a slightly differing aperture than my AR15 variants

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    Quote Originally Posted by APACHERAT View Post
    The M-16A2 rear sights have two sights, battle sights with a large aperture and a smaller aperture for targets beyond 300 yards but still larger than the rear sight aperture on the M-14 or M-1 Garand.
    Front sight post is also adjustable.
    Regarding my avatar: I am the one on your left as you view it

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    Quote Originally Posted by DLLS View Post
    Front sight post is also adjustable.
    And there are NM variant differences too

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    Quote Originally Posted by DLLS View Post
    I earned my expert rating without a scope. What are they doing to my Corps?
    They are dumbing down the Corps.

    I also qualified as a rifle expert with the M-14 with iron sights.

    Today when you see a Marine with an expert badge or sharpshooter badge you have to embarrass the Marine asking if he qualified using iron sights or using optics ?

    Interesting read.
    The introduction of Table 2 firing and the RCO for annual rifle qualification has led to a significantly higher percentage of Marines qualifying with an expert (over 49 percent of Marines in fiscal year 2009 (FY09) compared to a historical norm of approximately 37 percent) or sharpshooter (over 35 percent of Marines in FY09 compared to a historical norm of approximately 22 percent) rating than before these changes were introduced. (See Figure 1.) It is likely that the change in qualification percentage levels has more to do with the difference in the course of fire and equipment vice an overall level of marksmanship improvement. A return to historical norms could be achieved by changing the current breakpoints for qualification scores that can be used for shooters....


    full article ->
    https://mca-marines.org/gazette/mark...y-the-numbers/
    Last edited by APACHERAT; 05-15-2019 at 11:04 AM.

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    “We haven’t been in the cold-weather business for a while,” Marine Commandant Gen. Robert B. Neller said in January at the Center for Strategic and International Studies. “Some of the risks and threats there, there is a possibility we are going to be there.”...

    FIGHTING THE ENEMY — AND THE COLD

    Extreme cold weather environments can affect everything. Weapons systems are not as effective. Optics might not work properly. Radios and vehicles require extra maintenance. Aircraft performance suffers


    For Marines today, advanced optics like the EOTech or red-dot sights can suffer from “thermal drift.” When it gets too cold, an optic can shift from its zero, meaning accuracy of the weapon system will be off...


    Source ->
    When hell freezes over: How the Corps plans to win a cold weather fight in Russia or North Korea

    https://www.marinecorpstimes.com/new...-battle-ahead/

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