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Thread: How tight is tight enough for a Castle Nut?

  1. #21
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    Quote Originally Posted by Navigating Collapse View Post
    On another note, everyone says the DPMS wrench sucks goat dangles, but no one recommends one that doesn't...(Hammerhead aside)

    I have THIS ONE and like it quite a lot. It's more than just a plain-Jane stock wrench and if that saves some space in my toolbox w/o compromising functionality, that's a good thing.

  2. #22
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    Quote Originally Posted by Belmont31R View Post
    I use a RRA wrench which engages 3 slots on the castle nut.




    I just do it by feel too. Only issue Ive had is with BCM stock kits. I think they use crap hardware...castle nuts are soft, and the receiver extensions are inconsistent. IMO LMT makes a better setup. Ive had more than one BCM castle nut get bent around the slots for the wrench with what I consider moderate force, and one the receiver extension turned with the castle nut letting the tab on the end plate dig into the threads. I got an LMT kit, and I put quite a bit more pressure on it and it went together fine. Also used other kits (magpul) and never had that issue either. I generally like BCM stuff a lot but I'm not going to use their stock kits anymore.



    Staking is important, and its not hard to do. You can touch up the staking with some blueing solution which makes it look nice and professional.
    I've installed about 40-50 BCM stock kits on lowers with no issue. Have you contacted BCM with your issues?
    Chief Armorer for Elite Shooting Sports in Manassas VA
    Chief Armorer for Corp Arms (FFL 07-08/SOT 02)

  3. #23
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    Looking for a good torque wrench try your local pawn shops , I bought a $350.00

    Snap-On for $80.00 a few years back. Pawn shops usually wont loan on a pos tool.

  4. #24
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    i am confused on this issue as well. i bought a brownells wrench because i needed to take off two different types of castle nuts and did not want to buy two wrenches. the instructions that came with the wrench says 42 foot pounds. the asap plates i am going to put on say 40 inch pounds. that is a big difference in torque specs. so is it inch pounds or foot pounds. thanks,Mike

  5. #25
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    I have the Spike's Tactical castle nut wrench. I generally use ASAP plates so this works well for me. I read 40 ft pounds is what it should be tightened at but I tend to use Gotm4s method. Staking is very important and I had to remove a staked castle nut the other day and it was not a problem to loosen it.
    "Perfect Practice Makes Perfect"
    "There are 550 million firearms on this planet. That's one firearm for every 12 people. The question is... How do we arm the other 11?" Lord of War.
    "I predict future happiness for Americans if they can prevent the government from wasting the labors of the people under the pretense of taking care of them." Thomas Jefferson

  6. #26
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    Torque?????

    Although I make a tool to tighten and remove components on black rifles....Experience and the manufactures suggest setting should be your guide....with that being said...experience goes a long, long way....
    Bob
    HammerHead Rifle Tool

  7. #27
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    Quote Originally Posted by Hammerheadbob View Post
    Although I make a tool to tighten and remove components on black rifles....Experience and the manufactures suggest setting should be your guide....with that being said...experience goes a long, long way....
    Bob
    HammerHead Rifle Tool
    And a very nice castle nut tool you do make Bob.
    Chief Armorer for Elite Shooting Sports in Manassas VA
    Chief Armorer for Corp Arms (FFL 07-08/SOT 02)

  8. #28
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    Quote Originally Posted by gotm4 View Post

    My new favorite castle nut wrench is the HammerHead Tool that I bought at the SHOT show. It works very well at getting through staking quite easily. The Hammer Head Tool engages all four slots in the castle nut and you use both hands on the wrench. Good design.

    http://www.hammerheadrifletool.com


    Agreed, it is a worthwhile tool.


    Military Times Hammerhead Rifle Tool Review


    Last edited by Stickman; 04-08-10 at 15:27.
    Stick


    Board policy mandates I state that I shoot for BCM. I have also done work for 200 or so manufacturers within the firearm community. I am prior service, a full time LEO, firearm instructor, armorer, TL, martial arts instructor, and all around good guy.

    I also shoot and write for various publications. Let me know if you know cool secrets or have toys worthy of an article...


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  9. #29
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    Quote Originally Posted by ColdDeadHands View Post
    This is the wrench I have: http://www.gearsector.com/view/product/62/
    It seems to be better then most castle nut wrenches out there. I just wish there was a cutout for a torque wrench.

    On a side note; Brownells has some great video clips on how to assemble your AR15
    http://www.brownells.com/.aspx/lid=11004/learn/
    The gear sector wrench is the same as my brownells wrench, and the same $8 wrench most places sell.

    On torque wrenches that will see use, check the warranty, not all lifetime tool companies warrant torque wrench. Lowes has Kobalt and I am 95% certain they have torque wrenches too. I dont know their pricing, but their tools are mad by snap-on and not terrible, and better than most. If you are making money with your tools, you already have one.

  10. #30
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    Quote Originally Posted by orionz06 View Post
    Lowes has Kobalt and I am 95% certain they have torque wrenches too.
    I have a Kobalt torque wrench. It's GTG. $98.00 at Lowes.
    "Perfect Practice Makes Perfect"
    "There are 550 million firearms on this planet. That's one firearm for every 12 people. The question is... How do we arm the other 11?" Lord of War.
    "I predict future happiness for Americans if they can prevent the government from wasting the labors of the people under the pretense of taking care of them." Thomas Jefferson

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