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Thread: Ruger SR-556

  1. #191
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    Quote Originally Posted by C4IGrant View Post
    This weapon has major issues so I would avoid it. Remember that virtually every gun Ruger has put out has been recalled.

    Remember that Ruger knows about as much about how to build an AR as my Mother does.

    The weapon is also going to be VERY heavy.


    C4

    I would say that Ruger might know a little more about piston guns than your Mother does Grant. Mini-14.

    I don't know how much they know about Ar15's but I wont discount them out of hand. I would like to know who at Ruger designed the Sr-556. I agree with you though that it might be prudent to wait on purchasing this gun to see if any problems and or recalls crop up.
    Last edited by SpinRC; 06-05-09 at 20:49. Reason: added an 's

  2. #192
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    Lightbulb

    I would think at this point Grant's mom would know a lot more about building an AR than I do.



    Seriously, I was hoping Ruger would have released a halfway decent product by now. I guess we'll be seeing a third recall notice on the website.
    Doing my part to keep malls safe

  3. #193
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    I always love when people consider a 'pencil' diameter AR barrel light when it is, IIRC, the same diameter as a 7.62 NATO M-14 barrel with a much smaller bore cut in it.
    My brother saw Deliverance and bought a Bow. I saw Deliverance and bought an AR-15.

  4. #194
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    "Remember that Ruger knows about as much about how to build an AR as my Mother does. "

    What did FN know about building AR's before they sold the Government several hundred thousand M16A2's?

  5. #195
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    Quote Originally Posted by kmrtnsn View Post
    "Remember that Ruger knows about as much about how to build an AR as my Mother does. "

    What did FN know about building AR's before they sold the Government several hundred thousand M16A2's?
    Oh, about building high-grade assault and battle rifles also machine guns and handguns for most of the free world's militaries for nearly a century.
    My brother saw Deliverance and bought a Bow. I saw Deliverance and bought an AR-15.

  6. #196
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    Hey don't interrupt this thread with important facts like that.

    Quote Originally Posted by Heavy Metal View Post
    Oh, about building high-grade assault and battle rifles also machine guns and handguns for most of the free world's militaries for nearly a century.



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  7. #197
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    Huh?

    Quote Originally Posted by 30 cal slut View Post
    Seriously, I was hoping Ruger would have released a halfway decent product by now. I guess we'll be seeing a third recall notice on the website.
    What am I missing here? Is this just Ruger bashing or do you have links to the previous two recall notices?

  8. #198
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    Quote Originally Posted by nogoodnamesleft View Post
    Larger barrels (i.e. increased diameter) do dissipate more heat than do thinner profiled barrels in a given amount of time due to increased surface area. And yes, the increase in barrel mass does increase at a faster rate than surface area, but given a similar number of rounds then a similar amount of heat is transferred to each barrel. The larger barrel will not get as hot and will dissipate that heat at greater rate than a thinner barrel.
    The heavier barrel can't have its cake and eat it too...
    Yes, it has a larger surface area. Yes, larger surface area dissipates heat quicker. But as stated by other posters before me, the volume has increased at a much greater rate than the surface area. So the added cooling effect of the surface area is more than offset by the heat retention of the volume.

    Yes, it is true that the heavy barrel will take longer to heat up, you are correct about that. But you are contradicting yourself by saying it will also cool down faster. Think about the thermodynamics of what you are suggesting.

    Two objects of the same material and density but with different masses and shapes. You are suggesting that A can heat up slower than B, but then cool down faster than B. That just doesn't work out in that context. It will take more time to heat up, but then it will retain the heat longer.

    I'm not making any implications for AR barrels really in terms of performance, that is just an argument that I see made by people and I never get it.

    If you don't believe me, take some pans out of your cupboard and put them on your range. Assuming your pans are like mine, the large ones will be a bit thicker. So again, we have the same materials, but one has both larger volume (thickness) and surface area (size). Now heat them both at a constant rate. The larger pan will take longer to heat (like you say). Turn off the range and let them air cool. I guarantee you that the smaller one will cool off faster, despite the fact that it has less surface area.

  9. #199
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    Quote Originally Posted by nogoodnamesleft View Post
    What am I missing here? Is this just Ruger bashing or do you have links to the previous two recall notices?
    I believe these are the ones being referenced:

    http://www.ruger-firearms.com/LCPRecall/
    http://www.ruger-firearms.com/SR9Recall/

    But there may be others of which I am not aware
    Last edited by Byron; 06-05-09 at 21:26.

  10. #200
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    Quote Originally Posted by kmrtnsn View Post
    "Remember that Ruger knows about as much about how to build an AR as my Mother does. "

    What did FN know about building AR's before they sold the Government several hundred thousand M16A2's?
    I was not around at that time, but my guess is that they had a lot more people than Ruger does.


    C4

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