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Thread: Which handguards are suitable for active aiming with a laser?

  1. #31
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    Quote Originally Posted by gunnerblue View Post
    The MK16 is not as thick as the MK4/8 etc. Very comparable to the original BCM Keymo rails.
    Gotcha. I can't keep track of all the models. Crap.. I don't even know what model my Geissele rail is.
    "What would a $2,000 Geissele Super Duty do that a $500 PSA door buster on Black Friday couldn't do?" - Stopsign32v

  2. #32
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    Quote Originally Posted by Diamondback View Post
    There's always the Easy Button... just get an Arisaka Mossie Mount and rack a LaserMax Uni-Max or similar compact laser or light/laser on it. Your laser is structurally connected to the barrel through the FSB, handguard is taken completely out of the equation.
    How well would that mount retain zero? What kind of lasers would even fit it that would be worthwhile? How would you handle switchology?

    Quote Originally Posted by titsonritz View Post
    Ran across this write up researching rails to laser up, thought I'd share. I was particularly surprised the Geissele MK16 preformed rather poorly compared to other handguards like the BCM MCMR and Midwest Industries (see page 12)...

    Understanding Handguard Flex and Point of Impact Shift for Laser Aiming Devices
    I think that "white paper" is absolute trash. n = 1 for each handguard, we don't have any specs on how each upper was assembled, and the whole testing regime in general was ****ing wack given it it relies on the skills of the shooter, the ammo, the ability (or lack thereof) to maintain consistent pressure, etc. Would be way easier with much less variables to simply just throw an upper in a vice, zero a laser at some distance, apply pressure to the handguard, and see how much the laser moves.
    Plus ça change, plus c'est la même chose.

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  3. #33
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    Quote Originally Posted by markm View Post
    Gotcha. I can't keep track of all the models. Crap.. I don't even know what model my Geissele rail is.
    Yours is a Mk4 or 8. Much thiccer. If there are no built in pic rail, just MLok, its a 8.

  4. #34
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    Quote Originally Posted by 1168 View Post
    Yours is a Mk4 or 8. Much thiccer. If there are no built in pic rail, just MLok, its a 8.
    Must be the 4. There's pic rails in all the critical areas, and Mlok slots in no mans' land.
    "What would a $2,000 Geissele Super Duty do that a $500 PSA door buster on Black Friday couldn't do?" - Stopsign32v

  5. #35
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    Quote Originally Posted by Defaultmp3 View Post
    How well would that mount retain zero? What kind of lasers would even fit it that would be worthwhile? How would you handle switchology?
    IIRC IraqGunz would occasionally mount even full-size DBAL's on Mossies--snug it down as far as it'll go and torgue the setscrews until they dig into the front face of the FSB and it "should" (in theory) be good and solid. What I did on my "Mk18-ish" Briefcase Monster was route the Lasermax Rifle Kit's cable down alongside the FSB with the tape running down the side where my palm rests. Farthest I've gotten is "ergonomic" testing, though.

    Lasers, I'd look to stuff light the aforementioned Uni-Max, the old Insight M6X light/laser combo, or Streamlight's TLR RM kits with tape switches.

    Alternate idea, look to GG&G or CAA's FSB-mount siderail kits--or the Diemaco tri-rail (BCM used to have a knockoff of this for their C8SFW URG) which clamps around the barrel and FSB without even touching the handguard.
    Last edited by Diamondback; 07-11-22 at 15:15.
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  6. #36
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    Quote Originally Posted by Diamondback View Post
    IIRC IraqGunz would occasionally mount even full-size DBAL's on Mossies--snug it down as far as it'll go and torgue the setscrews until they dig into the front face of the FSB and it "should" (in theory) be good and solid. What I did on my "Mk18-ish" Briefcase Monster was route the Lasermax Rifle Kit's cable down alongside the FSB with the tape running down the side where my palm rests. Farthest I've gotten is "ergonomic" testing, though.

    Lasers, I'd look to stuff light the aforementioned Uni-Max, the old Insight M6X light/laser combo, or Streamlight's TLR RM kits with tape switches.

    Alternate idea, look to GG&G or CAA's FSB-mount siderail kits--or the Diemaco tri-rail (BCM used to have a knockoff of this for their C8SFW URG) which clamps around the barrel and FSB without even touching the handguard.
    I know Will a Mossie mount with SF X300 series of lights, he is the one that originally turned me on the them, but I don't recall him using a DBAL in it.
    Gettin' down innagrass.
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  7. #37
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    Quote Originally Posted by titsonritz View Post
    I know Will a Mossie mount with SF X300 series of lights, he is the one that originally turned me on the them, but I don't recall him using a DBAL in it.
    WL might have just done it once as a mockup when I had a question about how much size/weight a MM could take, but he did post one photo of such a configuration. He was actually the one who turned me on to 'em too, good thing because the monster's CASV prohibits GG&G Sling Things and similar FSB-mount side rails.

    I miss that guy... he's right alongside Jeff Cooper for "wish I could have managed to take a class from."
    <><><><><><><><><><><><><><><><><><><><><><><><>
    Ye best start believin' in Orwellian Dystopias, mateys... yer LIVIN' in one!--after Capt. Hector Barbossa
    Psalms 109:8, 43:1
    LIFE MEMBER - NRA & SAF; FPC MEMBER Not employed or sponsored by any manufacturer, distributor or retailer.

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