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Thread: Holosun 407K vs 507K

  1. #191
    Site Supporter RoyGBiv's Avatar
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    Jan 2012
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    Just got off the phone with Kenzie's. My 407K X2 has been on back order since December. Was considering cancelling and going with the 507K.

    Gal on the phone said they just received shipping confirmation and tracking shows delivery to them on Thursday. This Thursday.

    FYI.... She said they have enough in transit to fill 100% of back orders, plus 5 additional units.

    If you want one, order ASAP. https://www.kenziesoptics.com/produc...-407k-red-dot/
    "No free man shall ever be debarred the use of arms." - Thomas Jefferson, Virginia Constitution, Draft 1, 1776

  2. #192
    Site Supporter RoyGBiv's Avatar
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    Any plates available for a 407K to MOS mount other than the CHPWS?

    I see that Holosun has one listed on their website, but points to retail for purchase. Still searching for a retail location that has one.

    TIA
    "No free man shall ever be debarred the use of arms." - Thomas Jefferson, Virginia Constitution, Draft 1, 1776

  3. #193
    I tried a 507K-GR. For my eyes, itís significantly brighter in daylight than my 407K. Iíve used the circle-only reticle in the past but stuck with the 6MOA for carry, but at this point Iím thinking about going green for my carry gun ó the daylight brightness and lack of dot distortion/low sun angle problems sell me on the green. Iím wondering if itís a vision thing, but Holosunís red has always seemed noticeably dimmer to me than Trijicon or Aimpoint, requiring 11/12 for visibility and ideal performance only at 12/12.

  4. #194
    Quote Originally Posted by ssb View Post
    I tried a 507K-GR. For my eyes, itís significantly brighter in daylight than my 407K. Iíve used the circle-only reticle in the past but stuck with the 6MOA for carry, but at this point Iím thinking about going green for my carry gun ó the daylight brightness and lack of dot distortion/low sun angle problems sell me on the green. Iím wondering if itís a vision thing, but Holosunís red has always seemed noticeably dimmer to me than Trijicon or Aimpoint, requiring 11/12 for visibility and ideal performance only at 12/12.
    FWIW, I don't note any difference between Holosun red and green in low sun angles. A single dot splatters equally, and the circle only works the same in red or green.
    Likes pretty much everything in every caliber.

  5. #195
    Site Supporter RoyGBiv's Avatar
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    Quote Originally Posted by 1911Nut View Post
    What DOES NOT appear to be working correctly is the "Shake Awake Technology".

    According to the manual. the sight will "instantaneously wake up and turn on with any motion detection to the last saved intensity setting"

    My issue is that my optic does not respond as described. When the pistol with the optic mounted in placed in a stationary position for approximately 10 minutes, the red dot "goes to sleep" and shuts off.

    When I pick the pistol up to use it, it takes several seconds and a considerable amount of shaking before the dot will turn back on. It always turns on, but the time delay is considerable.

    Is this an operator error? Am I missing something?
    Same problem on a NIB, just mounted 407K X2. Requires a harsh shake to wake.
    Tried setting to always-on mode, then back to 10 minutes to off. No change.

    Bummer.

    Sent video to Holosun and requested RMA. Their RMA form is uninspiring, but it was pretty easy to reach a live person on the phone.

    Very happy with the 6MOA dot, I think. Haven't shot it yet, but, seems easy enough to find in dry practice.
    Co witnesses very well with Trij suppressor height sights on a G19.

    Hopefully the RMA process will go more quickly than the 4-month backorder I waited for the original shipment.
    "No free man shall ever be debarred the use of arms." - Thomas Jefferson, Virginia Constitution, Draft 1, 1776

  6. #196
    Site Supporter jandbj's Avatar
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    Sep 2012
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    SNH
    Just ordered a pair of Holosuns from Brownells. 407k-x2 with the 6moa green dot and a 407c-x2 with the 8moa red ring. See which the astigmatism prefers.

    K will go on an incoming 365x, C will be tried on a direct milled G26 that currently wears an RMR. Hoping I picked my footprints correctly.

  7. #197
    Site Supporter 1911Nut's Avatar
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    Arizona
    Quote Originally Posted by RoyGBiv View Post
    Same problem on a NIB, just mounted 407K X2. Requires a harsh shake to wake.
    Tried setting to always-on mode, then back to 10 minutes to off. No change.

    Bummer.

    Sent video to Holosun and requested RMA. Their RMA form is uninspiring, but it was pretty easy to reach a live person on the phone.

    Very happy with the 6MOA dot, I think. Haven't shot it yet, but, seems easy enough to find in dry practice.
    Co witnesses very well with Trij suppressor height sights on a G19.

    Hopefully the RMA process will go more quickly than the 4-month backorder I waited for the original shipment.
    Right or wrong, decided to just ignore the "shake awake" feature and bypassed it. I turn the dot OFF when I take the gun off and put it in my safe. I turn the dot ON when I take it out of the safe and holster it. The intensity is set at about mid-level. When the battery need replacing, it will take about three minutes to do that. I am very happy with the optic.

    So happy that I ordered a 507 K X2 and have it installed on a CZ RAMI. I operate it exactly as I do the 407K, and so far, so good. I am currently experimenting with the multiple reticle options, and so far agree with George's comments . . . the circle/dot is good for EDC so far, as it allows me to "pick up" the dot quicker upon presentation. But for pure technical shooting, I prefer just the dot.

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