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Thread: Display size and shootability

  1. #1

    Display size and shootability

    I thought it might be helpful to have a thread that listed the display dimensions of the common pistol optics and have a discussion about display characteristics and shootability.

    Here is a quick whack at dimensions, that I got from some Google searching. Feel free to correct and add to these. Subsequently, I have added the optic footprint.

    Aimpoint P1/2 .63 H x .63W; Acro footprint

    Holosun 507C .63H x .91W; RMR footprint

    Holosun 508T .63T x .91W; RMR footprint

    Holosun 509T .66H x .90W; proprietary footprint although RMR adapter is included

    Holosun 507 K .58H x .77Wv; slightly different than RMSc footprint

    Leupold DP Pro .69H x 1.01W; proprietary footprint

    Shield RMSc (need measurements); RMSc footprint

    Sig Romeo 1 Pro .70H x 1.1W; close to DP Pro footprint but slightly different

    Sig Romeo 3 Max 1.0H x 1.2W; close to a C More RTS2 footprint

    Sig Romeo 3 XL 1.0 H x 1.26W; close to a C More RTS2 footprint

    Steiner MPS .63H x .63W; Acro footprint plus plates

    Trijicon RMR— tricky, because the listed display doesn’t take into account the emitter housing that blocks part of the display. RMR footprint

    Trijicon SRO .89.H X .98W; RMR footprint but rear BUIS needs to be behind optic
    Last edited by GJM; 12-01-2021 at 06:47 PM. Reason: Updated
    Likes pretty much everything in every caliber.

  2. #2
    By good fortune, we received a T&E sample of the Steiner “MPS” this morning, and I threw it on a G45MOS with a C&H ACRO plate. I’m confident any ACRO plate-Tango Down, B&T, etc would work. Just enough time for a rough zero at lunch, but will be running it over the next few weeks.
    Subjective impression on view is that the MPS is at least equal to the ACRO. The rear outline of the MPS is rectangular, and the ACRO and Holosun 509T have arches at the top of the display; to my “mature” eyes it “seems” wider. Glass lens are excellent quality, and the 3.3moa(according to specs)dot bright and clear. Eight levels of brightness; 6 day/night, 2 for night vision. I bumped it down to “4”(from “6”) for sighting on indoor range. I think the highest would be perfectly adequate for snow in sun, day desert, etc..
    If the MPS holds up, it is a definite contender. I would be comfortable with any of them after vetting for function. I just checked holster fit: on a G45MOS it fits a Safariland RDS holster, and rides well in my JMCK IWB.
    I was informed by the Steiner rep that these T&E samples have the 13 hour “auto off”, but that can be disabled on production units. Not a big deal for me…

  3. #3
    Streetwalking Cheetah
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    I just went ahead and multiplied the numbers to get lens areas (won’t be 100% accurate on lenses with arches or I used the formula for area of an ellipse for the SRO) but should help non math people like myself compare models a bit faster.

    Aimpoint P1/2 .63 H x .63W; .396 Acro footprint

    Holosun 507C .63H x .91W; .573 RMR footprint

    Holosun 508T .63T x .91W; .573 RMR footprint

    Holosun 509T .66H x .90W; .594 proprietary footprint although RMR adapter is included

    Holosun 507 K .58H x .77Wv; .446 slightly different than RMSc footprint

    Leupold DP Pro .69H x 1.01W; .696 proprietary footprint

    Shield RMSc (need measurements); RMSc footprint

    Sig Romeo 1 Pro .70H x 1.1W; .770 close to DP Pro footprint but slightly different

    Sig Romeo 3 Max 1.0H x 1.2W; 1.20 C More RTS2 foorprint

    Sig Romeo 3 XL (need measurements); C More RTS2 footprint

    Steiner MPS .63H x .63W; .396 Acro footprint plus plates

    Trijicon RMR— tricky, because the listed display doesn’t take into account the emitter housing that blocks part of the display. RMR footprint

    Trijicon SRO .89.H X .98W; .692 RMR footprint but rear BUIS needs to be behind optic


    Edited because I looked up formula for area of an ellipse to calculate SRO’s window area
    Last edited by Caballoflaco; 12-01-2021 at 06:17 PM.

  4. #4
    Quote Originally Posted by Caballoflaco View Post
    I just went ahead and multiplied the numbers to get lens areas (won’t be 100% accurate on lenses with arches or SRO because it’s a circle) but should help non math people like myself compare models a bit faster.
    That is excellent! It also explains why, for example, I find an SRO so much easier to shoot than an Acro.

    In the past, if you asked me what dimension was more important, height or width, I would have said height, due to seeing the dot in recoil. As I think about it now, I think width is more important, since the dot does comes down in recoil, but if it is lost, off to the side, it stays gone.
    Likes pretty much everything in every caliber.

  5. #5
    Correction--Romeo3 Max: 0.95"H

    Romeo3 XL: 0.95"H x 1.26"W

    Also, the Romeo3 Max/Romeo3 XL have a slight overhang in the front that means they may not always fit where an RTS2 fits. Hole pattern is the same, but the Sig sights are a touch longer.

    ETA: Actual measurements
    Last edited by jbrimlow; 12-01-2021 at 07:03 PM.

  6. #6
    Quote Originally Posted by GJM View Post
    That is excellent! It also explains why, for example, I find an SRO so much easier to shoot than an Acro.

    In the past, if you asked me what dimension was more important, height or width, I would have said height, due to seeing the dot in recoil. As I think about it now, I think width is more important, since the dot does comes down in recoil, but if it is lost, off to the side, it stays gone.
    I’m going to say it depends on the shooter, their index and their recoil control ability (and to some extent the gun).

    On a carry optics gun I think I’d rather have height than width. For a frame mounted open gun or PCC I think I’d rather have width than height.
    Pointing at cardboard things.... CO GM, working on PCC.

  7. #7
    Member psalms144.1's Avatar
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    So the P1/2 "window" is smaller than a 507K? That's surprising...

  8. #8
    Quote Originally Posted by Caballoflaco View Post
    I just went ahead and multiplied the numbers to get lens areas (won’t be 100% accurate on lenses with arches or I used the formula for area of an ellipse for the SRO) but should help non math people like myself compare models a bit faster.

    Aimpoint P1/2 .63 H x .63W; .396 Acro footprint

    Holosun 507C .63H x .91W; .573 RMR footprint

    Holosun 508T .63T x .91W; .573 RMR footprint

    Holosun 509T .66H x .90W; .594 proprietary footprint although RMR adapter is included

    Holosun 507 K .58H x .77Wv; .446 slightly different than RMSc footprint

    Leupold DP Pro .69H x 1.01W; .696 proprietary footprint

    Shield RMSc (need measurements); RMSc footprint

    Sig Romeo 1 Pro .70H x 1.1W; .770 close to DP Pro footprint but slightly different

    Sig Romeo 3 Max 1.0H x 1.2W; 1.20 C More RTS2 foorprint

    Sig Romeo 3 XL (need measurements); C More RTS2 footprint

    Steiner MPS .63H x .63W; .396 Acro footprint plus plates

    Trijicon RMR— tricky, because the listed display doesn’t take into account the emitter housing that blocks part of the display. RMR footprint

    Trijicon SRO .89.H X .98W; .692 RMR footprint but rear BUIS needs to be behind optic


    Edited because I looked up formula for area of an ellipse to calculate SRO’s window area
    C’mon PF, I expected more than that!!

    RMSc
    Name:  4F57BE4F-C56C-4699-8C45-AD5A695A1A9D.jpg
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    RMR with body block
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Size:  33.8 KB

    SRO
    Name:  9A48D936-9161-4DBF-BE34-DCB74668E2A4.jpg
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Size:  41.3 KB
    Pointing at cardboard things.... CO GM, working on PCC.

  9. #9
    Quote Originally Posted by JCN View Post
    C’mon PF, I expected more than that!!

    RMSc
    Name:  4F57BE4F-C56C-4699-8C45-AD5A695A1A9D.jpg
Views: 292
Size:  33.0 KB

    RMR with body block
    Name:  C93D0826-A123-4CF7-8CE5-45F90F17D951.jpg
Views: 297
Size:  33.8 KB

    SRO
    Name:  9A48D936-9161-4DBF-BE34-DCB74668E2A4.jpg
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Size:  41.3 KB
    The only thing between your post, and a really good one, would be including the RMSx!
    Likes pretty much everything in every caliber.

  10. #10
    Quote Originally Posted by GJM View Post
    The only thing between your post, and a really good one, would be including the RMSx!
    I think they’re shipping out Dec 6th so I can do that if people are interested.

    In the meantime:

    DPP
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    507c
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    507k
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Size:  43.0 KB

    R3Max
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Size:  40.7 KB
    Pointing at cardboard things.... CO GM, working on PCC.

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