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Thread: difference between the bcm 16" mid lenght upper and the 16" mid lenght light weight

  1. #1
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    difference between the bcm 16" mid lenght upper and the 16" mid lenght light weight

    i could not tell from the information provided what the differnce was bewteen the two uppers the first being the bcm 16" mid lenght upper receiver and the 16" mid length light weight upper receiver

  2. #2
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    The BCM 16" midlength lightweight has a lightweight barrel rather than the government profile barrel.

  3. #3
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    thats what i thought but could not see any info stating this.
    thanks

  4. #4
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    Standard barrel profile is 0.75 inches round at the front sight and forward and the Light Weight barrel profile is 0.625 inches round at the front sight and forward.
    "Perfect Practice Makes Perfect"
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    Lighweight profile top, GI/standard/A2-profile middle


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    Rob_s,
    What is the picture on the bottom? A carbine gas length? With what profile barrel?

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    Dissipator

  8. #8
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    Quote Originally Posted by zml342 View Post
    Rob_s,
    What is the picture on the bottom? A carbine gas length? With what profile barrel?
    BCM Dissipator Prototype

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  10. #10
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    any chance they'll make a lightweight dissipator?

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