Anyone Know The Profile Dimensions for the "Light" X39 Bbl? - Page 2
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Thread: Anyone Know The Profile Dimensions for the "Light" X39 Bbl?

  1. #11
    XCR Guru Sean K.'s Avatar
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    I sux. Didn't dig mine out of the safe last night since it's literally the last one in the back. I'll try and get a weight tonight...as well as the Type 3 vs. Type 1 block.

    Thanks very much for going to the trouble. If this place ever goes down, we're going to lose a lot of tech.
    Last edited by Sean K.; 01-08-2020 at 07:17 AM.
    "Necessity is the plea for every infringement of human liberty. It is the argument of tyrants; the creed of slaves."-William Pitt the Younger

  2. #12
    XCR Guru Sean K.'s Avatar
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    So, 16" HBar with Type 3 gas block and VG6 Gamma .300 BLK brake....

    2 lbs. 7.20 ounces.

    So...not even a 6 ounce difference if I profile it. If it was a half pound, it might be worth it.

    Just some more numbers:

    16" 7.62x39 HBar with Type 1 gas block and A2 FH....2lbs 7.25 ounces.

    A2 FH by itself (.30 cal. 5/8-24 thread): 1.90 ounces
    VG6 Gamma .30 cal for .300 BLK : 1.80 oz.
    Manticore Arms Night Brake .30 cal 5/8-24 thread: 1.60 oz.

    These surprised me....thought the A2 would be lightest...not heaviest.


    Type 3 gas block with dial and set screw: 3.35 oz.

    Type 1 gas block with dial and set screw: 3.30 oz.

    That one surprised me too....thought the Type 1 would be heavier than the 3.

    HBar profile.....on x39: .841" from taper at chamber to gas block boss (no taper). Gas block to muzzle: .740" (no taper).
    "Necessity is the plea for every infringement of human liberty. It is the argument of tyrants; the creed of slaves."-William Pitt the Younger

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