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Thread: Project Featherweight

  1. #61
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    Awesome, inspiring project and setup. Based on this thread, I just grabbed a Streamlight TLR3 for my trunk gun mounted @ 12 o'clock.

  2. #62
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    Quote Originally Posted by Wilco View Post
    A few questions Regarding the JP LMOS unit

    What is the difference in weight between the JP unit and a BCM carrier?

    I saw the JP does not have forward assist cuts - no worries about using this with a upper with forward assist, no?

    Is the JP unit considered good for just plinking or competition, or would you trust it as your carrier on your goto gun?


    Thanks!
    In my opinion forward assist isn't needed. If your bolt won't close under spring tension, you probably have a problem and should remedy it not force the bolt to close or you may cause yourself an even bigger problem.
    On this rifle since the carrier didn't have forward assist notches I removed the forward assist from the gun and installed a delrin plug available from ADCO. The JP carrier is as durable as any other carrier (it's made of stainless steel and is IonBonded IIRC twice from speaking to JP). These lighter carriers actually require a little more gas to make them work correctly, on a midlength this isn't a problem. They sometimes will short stroke in ARs with rifle length gas systems and small gas ports. It's all part of the momentum equation (they run out of rearward momentum sooner). This was the whole reason why I shot a lot of Radway Green ammo through it to test for function. The Radway Green I have won't run some of my guns with CAR gas systems. This rifle eats it up.

    JP LMOS carrier with key = 6.25oz.
    M16 carrier with key = 9.47oz.
    Chief Armorer for Elite Shooting Sports in Manassas VA
    Chief Armorer for Corp Arms (FFL 07-08/SOT 02)

  3. #63
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    Very nice!

  4. #64
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    I like that lightweight upper. I'm planning to use that same Troy rail in my next installation. I've searched through the entire post but couldn't find any mentioning of the Troy handguard installation method, so here is my question.

    Do you need any special proprietary tools to install the Troy rail? i.e. Troy specific barrel nut wrench, etc.

    Thanks.

    If you have to put a compensator on a 9mm, maybe you should buy panties instead of briefs - Ken Hackathorn via Facebook live

    Liking a Glock is a version of Stockholm Syndrome. Nobody likes it but they get use to it in time - Countless Victims

  5. #65
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    Quote Originally Posted by Sam View Post
    Do you need any special proprietary tools to install the Troy rail? i.e. Troy specific barrel nut wrench, etc.
    My TRX-E came with the special barrel nut wrench and was GTG.

  6. #66
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    nice weapon
    Last edited by JEEPNICK; 02-22-10 at 21:15.

  7. #67
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    Quote Originally Posted by Sam View Post
    I like that lightweight upper. I'm planning to use that same Troy rail in my next installation. I've searched through the entire post but couldn't find any mentioning of the Troy handguard installation method, so here is my question.

    Do you need any special proprietary tools to install the Troy rail? i.e. Troy specific barrel nut wrench, etc.

    Thanks.
    I don't like the Troy wrench. What I do is really grease up the barrel nut with Brownells Action Lube Plus and use a DPMS or Smith Enterprise wrench and torque the stock Troy bbl nut up very slowly starting at 35ft lbs and adjusting the torque wrench adding 5ft lbs each time between loosening. This keeps me from bending the teeth on the nut.
    Chief Armorer for Elite Shooting Sports in Manassas VA
    Chief Armorer for Corp Arms (FFL 07-08/SOT 02)

  8. #68
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    Quote Originally Posted by gotm4 View Post
    I don't like the Troy wrench. What I do is really grease up the barrel nut with Brownells Action Lube Plus and use a DPMS or Smith Enterprise wrench and torque the stock Troy bbl nut up very slowly starting at 35ft lbs and adjusting the torque wrench adding 5ft lbs each time between loosening. This keeps me from bending the teeth on the nut.
    Robb,

    I may have missed it, but what is the max torque you end-up tightening the troy barrel nut down to?

  9. #69
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    Quote Originally Posted by nickdrak View Post
    Robb,

    I may have missed it, but what is the max torque you end-up tightening the troy barrel nut down to?
    On most I'm finding alignment between 40-55lbs. Just go slow and steady.

    The really early Troy barrels nuts were thin like USGI barrels nuts and the last 9-10 TRX/VTAC TRX rails I've installed had beefed up barrel nuts. The old ones were super easy to bend barrel nut teeth.
    Chief Armorer for Elite Shooting Sports in Manassas VA
    Chief Armorer for Corp Arms (FFL 07-08/SOT 02)

  10. #70
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    gotM4,

    Who, other than Sun Devil, makes a flat top upper w/o an FA? I'm not sure if Sun Devil has feed ramps in their non-FA upper.
    S/F

    Al

    "Hold on to your hate, it helps you stay focused"

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