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Thread: Low Profile Gas Blocks

  1. #21
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    Some nice work there on cutting down the standard front sights.
    Last edited by Tangotag; 12-03-09 at 23:22.

  2. #22
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    Quote Originally Posted by Texpatriate View Post
    Does anybody sell a low profile gas block that uses taper pins, similar to the ones you guys have dremelled yourselves?
    As stated no because the block is drilled while on bbl but ADCO does do taper pin instals on low pro blocks if you want to go that route.

  3. #23
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    Quote Originally Posted by Todd.K View Post
    The front sight or gas block is drilled and reamed while on the barrel. No two are exactly alike so once they are drilled it is an assembly that stays together.
    Never knew that, thanks!

    So almost all aftermarket glas blocks use set screws?

  4. #24
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    Quote Originally Posted by jp0319 View Post
    As stated no because the block is drilled while on bbl but ADCO does do taper pin instals on low pro blocks if you want to go that route.
    Actually they use straight pins.
    Peace, Jerry

    I don't drink the koolaid

  5. #25
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    Quote Originally Posted by Jason_R View Post
    Never knew that, thanks!

    So almost all aftermarket glas blocks use set screws?
    Not true. There are many different techniques out there ranging from clamps to set screws and dimples to pins and mixes of techniques. Noveske for example uses a mix of set screw and 1/8" straight pin on their SS barrels. One could even run a taper reamer through the 1/8" hole and run a taper pin with it.

  6. #26
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    Quote Originally Posted by Fireglock View Post
    Actually they use straight pins.
    Really? I'm pretty sure that the FSP is attached with taper pins in most "reputable" ARs, there may some that use straight, none of mine have. http://www.fulton-armory.com/AR-15Diagram.htm look at the diagram it is small but I'm pretty sure it says "taper pins"
    Last edited by jp0319; 12-04-09 at 05:25.

  7. #27
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    Quote Originally Posted by jp0319 View Post
    Really? I'm pretty sure that the FSP is attached with taper pins in most "reputable" ARs, there may some that use straight, none of mine have. http://www.fulton-armory.com/AR-15Diagram.htm look at the diagram it is small but I'm pretty sure it says "taper pins"
    I have a barrel that I had ADCO install the front sight base on and they used straight pins. My complete LMT upper also has straight pins. I don't see a difference if the procedure is completed correctly.
    "The peace we have within us is most often expressed in how we treat others"

  8. #28
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    Noveske uses straight "dowel pins". The steel in "dowel pins" are hardened, they will be of stronger steel than both your barrel and gas block.

    Steel alloy dowel pins 1/8" x 3/4" Grade 8 could be used. It would be best to drill undersized and ream the hole a few thousands under and press fit the dowel. This way the pin won't walk it's way out. Press in = Press out.
    http://www.use-enco.com/CGI/INSRIT?P...&PMPXNO=943290
    Last edited by Tangotag; 12-04-09 at 09:56. Reason: Link for pins

  9. #29
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    Quote Originally Posted by Fireglock View Post
    Actually they (ADCO) use straight pins.
    I think it may depend on what you request. As I recall, mine was tapered.

  10. #30
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    Quote Originally Posted by SHIVAN View Post
    I think it may depend on what you request. As I recall, mine was tapered.
    I should have clarified my response, my LaRue low profile GB was with a single straight pin.
    Peace, Jerry

    I don't drink the koolaid

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