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Thread: Newish LaRue rail offering

  1. #21
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    Quote Originally Posted by strambo View Post
    As an MRP owner, the "why" is because I can have a 10.5" SBR and a 16" match barrel and just quick change the barrel and optic (on a Larue mount). Saves $ by keeping the upper, light, rail covers, grip, backup irons the same, along with the benefits of the monolithic upper. I can only shoot 1 rifle at any given time anyway. (It saves money as compared to a separate SPR/Recce type upper setup or completely separate SPR/Recce type rifle)

    It also allows different caliber options for a very low cost of entry...if I was a hunter, this would be a great feature.

    There is no need to ever "quick change" a barrel that I can see..."conveniently change" is nice. Of course, having separate uppers or even rifles works as well, just costs more.

    I don't see a military need for it (and neither does the military), I guess you could issue one platform and set up the rifle before a mission for anything from CQB to SPR...but it isn't enough of a benefit to justify the costs of switching from the current M4.
    This sounds like a pretty solid reason to me, I would like to have something similar to this as you could basically have the same setup with just different barrels and optics and the switch would be pretty easy. A lot cheaper than having different uppers. Wouldn't you have to retorque the barrel nut down each time though? If that part was quick connect/disconnect as well that would be pretty nice.

  2. #22
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    Quote Originally Posted by strambo View Post
    As an MRP owner, the "why" is because I can have a 10.5" SBR and a 16" match barrel and just quick change the barrel and optic (on a Larue mount). Saves $ by keeping the upper, light, rail covers, grip, backup irons the same, along with the benefits of the monolithic upper. I can only shoot 1 rifle at any given time anyway. (It saves money as compared to a separate SPR/Recce type upper setup or completely separate SPR/Recce type rifle)

    It also allows different caliber options for a very low cost of entry...if I was a hunter, this would be a great feature.

    There is no need to ever "quick change" a barrel that I can see..."conveniently change" is nice. Of course, having separate uppers or even rifles works as well, just costs more.

    I don't see a military need for it (and neither does the military), I guess you could issue one platform and set up the rifle before a mission for anything from CQB to SPR...but it isn't enough of a benefit to justify the costs of switching from the current M4.
    ...actually yeah. And I'd find it nice to be able to shoot 300black with a quick barrel change, rather than having to build a new upper (which I've been considering doing at some point). This would be a temperary solution though...eventually I would end up building at least a separate upper if not an entire rifle, as I believe it would make each system function better and more smoothly the more complete they each are. I also think a bolt carrier would hold up better with a dedicated caliber, as opposed to running it 5.56 back-to-back with 300black

  3. #23
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    I see a new problem that this system would introduce. Wear on the aluminum threads of the upper receiver from repetitive disassembling and re-assembly/torquing of the barrel nut. It is cool, in a James Bond/Hollywood movie kinda way, but the added wear on one of the most critical points you want to keep tight on these rifles is enough to steer me away. I can save money elsewhere.

  4. #24
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    Newish LaRue rail offering

    While this isn't a feature I'd use, I don't see having it and not using it as a negative in any way. I can't imagine why it would steer anyone away from the rifle, just don't use that particular feature. Or, buy it without if possible.
    Last edited by jonconsiglio; 06-02-13 at 10:11.
    Proven combat techniques may not be flashy and may require a bit more physical effort on the part of the shooter. Further, they may not win competition matches, but they will help ensure your survival in a shooting or gunfight on the street. ~ Paul Howe

  5. #25
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    I would like to know more about the LaRue system, the MRP seems to be a lot better mousetrap for a QD barrel at this time and doesn't wear on any receiver threads.
    "The world's a dangerous place – we can help." -www.portlandfirearmtraining.com
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  6. #26
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    QD barrel is a waste of time and is a solution for a problem that doesn't exist.

    The path of least resistance is to get another gun in the long run.

    The whole "return to zero" buzz line is bullshit also.

    I don't care if it is only off by 1" after I reinstall. It is still off. It might as well be 12" off as I still have to re-zero and haul all my shit out to the range to re-zero.
    Last edited by scottryan; 06-02-13 at 20:32.
    "Not every thing on Earth requires an aftermarket upgrade." demigod/markm

  7. #27
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    I've had two SCARs and an LMT MRP, all offer a "quick change" barrel. I've never once had a valid reason for removing a barrel. As I mentioned before, it's a feature I do not have any use for.
    Proven combat techniques may not be flashy and may require a bit more physical effort on the part of the shooter. Further, they may not win competition matches, but they will help ensure your survival in a shooting or gunfight on the street. ~ Paul Howe

  8. #28
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    Probably because you can't get any spare barrels for a SCAR right now unless God shines a light down on you I regularly used the extra barrels for my MRP.

    This aspect of the OBR seems less like a "feature" and more of a storage perk. If you're not interested in the features of the Larue rifle, then by all means, move on.

  9. #29
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    Newish LaRue rail offering

    Quote Originally Posted by scoutfsu99 View Post
    Probably because you can't get any spare barrels for a SCAR right now unless God shines a light down on you I regularly used the extra barrels for my MRP.

    This aspect of the OBR seems less like a "feature" and more of a storage perk. If you're not interested in the features of the Larue rifle, then by all means, move on.

    Touché
    Proven combat techniques may not be flashy and may require a bit more physical effort on the part of the shooter. Further, they may not win competition matches, but they will help ensure your survival in a shooting or gunfight on the street. ~ Paul Howe

  10. #30
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    QD barrel is a waste of time and is a solution for a problem that doesn't exist.
    Well, not having a QD barrel isn't a problem...so it isn't a solution either, just a feature that a user may, or may not, want.

    The whole "return to zero" buzz line is bullshit also.

    I don't care if it is only off by 1" after I reinstall. It is still off. It might as well be 12" off as I still have to re-zero and haul all my shit out to the range to re-zero.
    It either returns to zero or it doesn't.

    Why would being a hypothetical 1 MOA off matter anyway? For a military or LE sniper, sure, "if" I was issued a QD barrel rifle, and "if" I needed to change the barrel, and "if" it proved to be off by a MOA...then, yes, I would re-zero.

    However; for a defensive-type AR, 1 MOA isn't gonna make a whit of difference at any reasonable combat range (under combat conditions) to include HD, Katrina type SHTF, or overseas in either recent combat theater. If for some hypothetical reason I had an MRP in a combat zone, and reason to use the QD barrel feature, I wouldn't re-zero over a MOA shift or less. Heck, weather changes can have more effect then 1 MOA, and I never considered temp/humidity differences from zero conditions when patrolling with an M4.

    Further, maybe I just suck, but except from a bench or bipod, I can't hold to 1 MOA or less so a shift of 1 MOA or less would be completely absorbed by the rifle/ammo, 2-4 MOA dot, shooter/position etc. Sure, I guess the errors could stack, so if I'm holding to 3 MOA with a 2 MOA rifle/ammo, plus the 1 MOA QD barrel shift, and they all error-stack in the same direction, then at 300yds (well beyond average combat range and any defensive scenario I can think of) I guess that shot impacts ~9" from COM.

    I'm struggling to see how a minor POI shift (of a MOA or less) from a QD barrel is a problem at all in anything other than a sniper application.
    "The world's a dangerous place – we can help." -www.portlandfirearmtraining.com
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