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Thread: GAU-5A Air Force clone and review

  1. #11
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    I was planning on building one with a 9x39 barrel, but with the ban on Russian ammo, I’m going with .300BLK.

  2. #12
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    Quote Originally Posted by chilidawg View Post
    I thought you meant this version (bottom rifle). Nice build!

    Sent from my SM-G955U using Tapatalk
    CAR-15 XM177 or CAR-15 Commando had variants GAU-5/A and GAU-5A/A. See below links.

    Quote Originally Posted by SBRSarge View Post
    Damn. I hadn’t seen the QRB system.

    This thread just cost me several hundred bucks.

    Can anyone with experience speak to repeatability of zero after removing and reinstalling the barrel? And would mounting the optic on the handguard make a difference as opposed to on the upper receiver?
    Cry Havoc GAU-5A: A Hands-On Look at the Air Force’s Backup Weapon
    The USAF Created a Mini Rifle That Fits in Its Ejection Seats

    Here's a thread started by MI...
    Air Force GAU-5A Rifle
    Gettin' down innagrass.
    Let's Go Brandon!

  3. #13
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    Quote Originally Posted by titsonritz View Post
    CAR-15 XM177 or CAR-15 Commando had variants GAU-5/A and GAU-5A/A. See below links.



    Cry Havoc GAU-5A: A Hands-On Look at the Air Force’s Backup Weapon
    The USAF Created a Mini Rifle That Fits in Its Ejection Seats

    Here's a thread started by MI...
    Air Force GAU-5A Rifle
    My post contains my builds to replicate my issue guns while in the Air Force. The main difference between the GAU and the XM is the GAU lacks a forward assist, though some GAUs had them. The Air Force can recycle gun parts like nobody's business.

    Sent from my SM-G955U using Tapatalk

  4. #14
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    Quote Originally Posted by SBRSarge View Post
    Damn. I hadn’t seen the QRB system.

    This thread just cost me several hundred bucks.

    Can anyone with experience speak to repeatability of zero after removing and reinstalling the barrel? And would mounting the optic on the handguard make a difference as opposed to on the upper receiver?
    I took it off, shook it up and reinstalled it numerous times. No change in zero. It’s awesome. Now my new truck gun. I put a red dot on it as well.
    Hunter of Gunmen 8541

  5. #15
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    One thing I notice from the articles is that the Air Force specifically rejected optics out of a concern that they might not hold zero through a 16-g ejection sequence from launch to landing.

    Question to the crowd: Do we know of any compact optics that are good for 200yd and can take that kind of curbstomping and still be reliable?
    <><><><><><><><><><><><><><><><><><><><><><><><>
    Ye best start believin' in Orwellian Dystopias, mateys... yer LIVIN' in one!--after Capt. Hector Barbossa
    Psalms 109:8, 43:1
    LIFE MEMBER - NRA & SAF; FPC MEMBER Not employed or sponsored by any manufacturer, distributor or retailer.

  6. #16
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    Many are. I am really happy with Holosun 510c. I like it because it’s smaller and works for this build. There are many good ones though.

  7. #17
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    Quote Originally Posted by indianalex01 View Post
    Many are. I am really happy with Holosun 510c. I like it because it’s smaller and works for this build. There are many good ones though.
    I have several Holosuns and like them all. No complaints with them at all.

    Sent from my SM-G955U using Tapatalk

  8. #18
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    Quote Originally Posted by chilidawg View Post
    I have several Holosuns and like them all. No complaints with them at all.

    Sent from my SM-G955U using Tapatalk
    I have many different optics. Holosun is the best bang for the buck in my opinion. I agree with you.

  9. #19
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    Quote Originally Posted by indianalex01 View Post
    Many are. I am really happy with Holosun 510c. I like it because it’s smaller and works for this build. There are many good ones though.
    Good for 200yd and compact, sure. Good for out-the-door parajumps which are usually only about 6 g's, maybe... the hard part is that 16-g rocket ride getting thrown out of a crippled jet.
    <><><><><><><><><><><><><><><><><><><><><><><><>
    Ye best start believin' in Orwellian Dystopias, mateys... yer LIVIN' in one!--after Capt. Hector Barbossa
    Psalms 109:8, 43:1
    LIFE MEMBER - NRA & SAF; FPC MEMBER Not employed or sponsored by any manufacturer, distributor or retailer.

  10. #20
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    Sixteen g is tiny compared to the instantaneous acceleration produced by drops, impacts, and even recoil. Why would it be a problem?

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