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Thread: Troy vs KAC drop in rails

  1. #21
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    Quote Originally Posted by mkmckinley View Post
    I'm pretty sure KAC makes the Army issue rails we have on our M4's and FWIW the top sections break pretty regularly. Last I checked, out of a sample size of 12 we had three broken top sections (as in what was supposed to be one piece of aluminum was now two). They break just past the delta ring.
    Can you get pictures? How were they being used when they broke?

  2. #22
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    my Troy without a barrel... its just sitting there, since it mounts on the barrel extension.

    Last edited by JonnyVain; 03-06-10 at 19:08.

  3. #23
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    Quote Originally Posted by JonnyVain View Post
    First of all, point to where the OP stated he was looking for a carbine rail. I was the first person to post anything about a specific length, so maybe I should be saying we're talking rifle length rails here.
    First of all, the Op did not specify "rifle" length rails as opposed to "carbine" length rails. Being that this is M4Carbine.net, with an emphasis on the term "carbine," I figured that this is what he was discussing from default.

    Second, your 'source' states carbine rails. I already told you that you were comparing rifle to carbine, and you said you weren't. Now you're trying to say I'm not paying attention because I didn't know you were talking about carbine.
    You are not reading my source... Go to this thread, which I cited above, and go down to the third post and look at where it says, "Carbine, non-FF."

    Third, if the KAC carbine is equal in weight to the Troy rifle, I wonder what the difference between both carbines would be? I looked it up. The Troy carbine is 4oz. http://store.troyind.com/7_MRF_C_Rai...rf-c7bt-00.htm

    So the Troy is still half the weight.
    According to BCM, the Troy MRF-DI for carbines weighs 8.5 oz. According to the KAC website, the RAS weighs 11.6 oz. So, being that double-shielded M-4 handguards weigh 6.4 oz, the Troy adds 2.1 oz in weight and the KAC adds 4.9 oz. Like I said before, either will suit him just fine... the question is whether he wants integrated swivel points without heat shielding, or heat shielding without integrated swivel points along with rail covers and a VFG.

    We're not talking past each other, you're just not thinking before you speak.
    Nope, I'm talking about carbine-length systems, since that is the default for this site, and you're talking about rifle-length. So, yes, we're talking past each other.

    OP asked a question and I was just trying to help him out. You're just confusing the subject.
    We're both trying to help him out.

  4. #24
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    For clarification: my previous post only addressed carbine-length rails.

  5. #25
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    Quote Originally Posted by boganz45 View Post
    For clarification: my previous post only addressed carbine-length rails.
    Awesome. Here's what you need to know:

    Troy MRF-DI
    GOOD - lightweight, relatively cheap, has integral sling swivel attach points
    BAD - doesn't come with rail covers or a VFG, lacks heat shielding

    KAC RAS
    GOOD - relatively cheap if you look around, has heat shielding, comes with rail covers and a VFG
    BAD - doesn't have integral sling swivel attach points, tiny bit heavier than the Troy
    EXTRA - in the extremely unlikely situation where you need to remove the bottom rail for a grenade launcher, it pops right out

    Like I said earlier, the Troy is used by some Air Force units and the Department of Defense as a whole use the KAC on hundreds of thousands of rifles.

    Just rank those based upon your needs and then choose the one that racks up the most points. If you have the opportunity to try them out, do that first.

    Also look around for a DD Omega rail. Some can be had for less than $200 and it's a great system.

  6. #26
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    Quote Originally Posted by justin_247 View Post
    Awesome. Here's what you need to know:

    Troy MRF-DI
    GOOD - lightweight, relatively cheap, has integral sling swivel attach points
    BAD - doesn't come with rail covers or a VFG, lacks heat shielding

    KAC RAS
    GOOD - relatively cheap if you look around, has heat shielding, comes with rail covers and a VFG
    BAD - doesn't have integral sling swivel attach points, tiny bit heavier than the Troy
    EXTRA - in the extremely unlikely situation where you need to remove the bottom rail for a grenade launcher, it pops right out

    Like I said earlier, the Troy is used by some Air Force units and the Department of Defense as a whole use the KAC on hundreds of thousands of rifles.

    Just rank those based upon your needs and then choose the one that racks up the most points. If you have the opportunity to try them out, do that first.

    Also look around for a DD Omega rail. Some can be had for less than $200 and it's a great system.
    I was neither the OP nor was I looking for rails (I have the carbine Troy Drop-In 20 feet from me and some carbine KAC RAS ten feet from me); I just wanted to add clarification for the OP in case he had questions regarding my post.

    My previous post (about [carbine length] rails the OP inquired about):

    I have KAC RAS on my carbines and they work fine. For $160 including the vertical grip and panels I find them to be fair deals. I only attach vertical grips and lights to my rails and a tiny but of lower rail movement does not bother me. A friend has the Troy Battlerail Drop-In CAR/M4 model (the KAC RAS equivalent) and it works fine as well. The KAC RAS has a leaf spring and a clamp with screw on the upper portion of the rail which locks it into the handguard cap and delta ring, respectively, nice and tight. The regular RAS lower just drops in like the handguards and has a heat shield. The Troy Drop-In just drops in like the handguards, however, the upper and lower pieces screw together. The Troy also has holes for QD sling swivels. I can get you pics of both if need be. I like the Troy design better to be honest (the rail bolting together to become "one piece") but the KAC works fine and is battle tested. Also, I believe the reason for the leaf spring and clamp with screw design were to minimize any possible movement on the upper piece of the RAS so that components mounted to the rail, such as a PEQ or the like, would maintain their zeros. Lastly, you can mount a M203 to your rifle if using the RAS, but I do not know if this is possible with the Troy rail.

    Between our posts though I assume he should be good to go if he originally meant carbine rails.
    Last edited by boganz45; 03-07-10 at 09:35.

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