What does Co-Witness mean?

Apparently it refers to the use of a electronic sight along with backup iron sights. I was aware of the concept but not the word.

Picture 18-7
A “Co-Witness” AR from eguns.com

Traction Control explains.

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Steve Mar 27th 2008 misc Tags: , , 3 Comments

3 Responses to “What does Co-Witness mean?”

  1. Dan Schneideron 25 May 2008 at 1:30 pm link comment

    I am frustratingly familiar with the concept of “co-witness” but as a person who can neither afford an Eotech nor have need of one (I’ll never SCUBA onto a hostile beach) how do I equip my AR with a decent red dot that co-witnesses with my BUIS for under $150.00? I understand you get what you pay for but there must be a decent option for a workingman’s wages. I had a BSA that kept its zero for 5 years of riding on my Mossberg 590. Good, cheap sights can be had, I am confident of that, which combination of scope and rings should I buy?

    Thanks for any advice,

    Dan

  2. Steveon 25 May 2008 at 11:01 pm link comment

    Hi Dan, I would ask the question on the ar-15 forums: http://www.ar15.com/

    My experience is that the more you spend on optics the better the quality, the trick is finding a compromise between cost and quality (quality being relative to its intended use).

  3. Wiley-Xon 05 Mar 2010 at 6:14 pm link comment

    Co-witness is a silly word. There, I’ve said it. Silly.

    As a verb, witness is defined as
    verb
    witnessed, witnessing, witnesses verb, transitive
    1. a. To be present at or have personal knowledge of. b. To take note of; observe.

    and a few more things that aren’t important. Okay, let’s go with “take note of; observe” Maybe your really don’t observe your sights but I’ll work with it here.

    Now for “co”. Co- means together, jointly. So “co-witness” means that you’re observing both sights together. Sorry but that’s a recipe for disaster.

    Who on Earth coined “co-witness”? It was either some semi-literate ex-cop/gun writer or some semi-literate ex-GI military trainer. You know the types, they’re often on TV making statements like “we observated the two perpetrators attempting to exgress the structure and we engaged them as they ambatoried toward the street by declarating ‘Halt!’ “

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