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 Kirsten Weiss trick shooter (courtesy The Truth About Guns)

Uncommonsense asks the next Annie Oakley (Kirsten Weiss above) about something technical to do with rifles and scopes and stuff.

I recently purchased a laser bore sighter. While experimenting, I was stunned at how much parallax error I could see in my rifle scopes when looking at a target just 15 yards away. What do you do to mitigate parallax error?

Ms. Weiss replies “Uncommon Sense, I don’t want to assume. Do you have a knob on your scope for Parallax adjustment? [ED: really?] If your scope doesn’t have one there’s an easy fix. In fact, a lot of times I use this method even when my scope DOES have parallax adjustment . . .”

Read Kirsten Weiss’ tip at TTAG’s Free Fire Zone forum

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    • That’s what I was thinking, but I didn’t post it, because I was thinking, “she’s HOT, y’know? She can oil my long rifle any day of the week!”

      Okay. I may have gone too far.

  1. TO: Kristen Weiss
    RE: Parallax Error??!?!?


    ….never encountered it.

    I zeroed the scope on my AR-15 using standard military 25 meter range procedure.

    Then I nailed a human head-sized target at 100 meters. Consecutively. I suspect I’d get the same result at least half the time at 200 meters.

    What seems to be the problem? Or am I missing something?

    By the way….for close-in targets, I used the AimPoint red-dot sight on the rifle.

    For REALLY close ones, I use the system the Army taught during Nam called, ‘Quick Kill’. No aiming involved, just raise the rifle to the chin and shoot.

    We were trained to hit a quarter in the air from three meters away.

    Several decades later on a cruise, I was nailing clay pigeons with a skeet gun the same way.


    [At any time, at any place, our snipers can drop you. Have a nice day!]

      • TO: Kirk
        RE: RedRing Shotgun Sight

        Haven’t had any experience with it.

        If I had to use a shotgun in personal defense, I’d likely rely on the QuickKill techniques I learned as a young private.


        P.S. If they’re close enough to use a shotgun, I’d rather have an AR-15 with 30-round mags.

    • “Then I nailed a human head-sized target at 100 meters.”

      How interesting; I’m calling the cops.

      • Why? If you don’t know the exact size of something, people tend to compare it with something established or otherwise easy to gauge. Head sized target- I’d guess ~7-8 inches. The man didn’t do anything illegal. Chill.

      • Be sure to advise them to have their ‘house in order’ when they come calling…..

        If I can hit a human head sized target at 100 meters, I’m not going to be shooting at their body armor at closer ranges.

  2. I really dislike these “click through to read” posts. At least half the time, I don’t bother, and you know how much time I spend here.

  3. I don’t know what she means by “parallax knob,” but it sounds to me like the scope’s elevation adjuster knob. If so, I (and probably most of us) are doing the same thing by another name.

    My .22 has a scope set so that the laser boresight and scope cross hairs coincide at 25 yards. This means that at 25 yards, the bullet passes through the target on the rising leg of its trajectory.

    It hits peak elevation above the line of (scope) sight at some unknown distance. At 50 yards it strikes an inch or two above the line of sight. Beyond this, it drops back through the line of sight and is 5 inches low at 100 yards.

    For other target distances, you guesstimate, no?


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