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Thread: KAC SR-15 14.5" Ejection

  1. #21
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    Quote Originally Posted by scooter22 View Post
    100% factory KAC.
    Got it. The linked thread threw me off.
    Not sure about you guys, but I'm only here for the free food and open bar.

    Certified Smith & Wesson M&P Armorer
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  2. #22
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    The buffer that came with the 14.5 factory upper should look like this:



    Complete factory 14.5 carbine buffer looks like this:

    Both are H2.

  3. #23
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    I haven't shot one of the carbine uppers, but I've been amazed at the consistency of my Mod1 and 11.5" CQB. They literally pile brass in a 12" circle.

  4. #24
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    Quote Originally Posted by hjmpanzr View Post
    The buffer that came with the 14.5 factory upper should look like this:



    Complete factory 14.5 carbine buffer looks like this:

    Both are H2.
    The one that came with the 14.5" upper is the 21057. The one that came in the Mod 1 is bare metal with only "SR-15" engraved, and I'm presuming not an H2.

  5. #25
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    Quote Originally Posted by scooter22 View Post
    The one that came with the 14.5" upper is the 21057. The one that came in the Mod 1 is bare metal with only "SR-15" engraved, and I'm presuming not an H2.
    Correct, the one marked SR15 is a standard carbine buffer.

  6. #26
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    Put the H2 in. The range is only open on the weekends, so I will post a report accordingly.

    Thanks everyone for the help and input.

  7. #27
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    FYI - both of those buffer's that HJMPanzr posted are HH P/N 20157 buffers, just an earlier version (marked HH on the face) versus the current one below.

    The SR-15 16" Carbine Buffer is a 3.0 oz Carbine buffer - gold anodized and marked SR-15 on the face.
    The SBR's use the HH/H2 buffers from our SR-16's - and if your run weak ammo, just use a lighter buffer.
    Kevin S. Boland
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  8. #28
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    Quote Originally Posted by KevinB View Post
    FYI - both of those buffer's that HJMPanzr posted are HH P/N 20157 buffers, just an earlier version (marked HH on the face) versus the current one below.

    The SR-15 16" Carbine Buffer is a 3.0 oz Carbine buffer - gold anodized and marked SR-15 on the face.
    The SBR's use the HH/H2 buffers from our SR-16's - and if your run weak ammo, just use a lighter buffer.
    I have a factory LPR that came with a silver buffer marked SR-15 on the face. Is this a carbine buffer? I guess I could finally buy a kitchen scale (we don't have one) and answer this myself.

    I also have a Spikes T-2 buffer not being used at the moment; has anyone tried running one of these in an LPR or a 14.5"? (Have a new 14.5" en route from Lawmen's to boltcarrier for a URX 4 & MAMS then finally to me.)

  9. #29
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    Quote Originally Posted by Krusty783 View Post
    I have a factory LPR that came with a silver buffer marked SR-15 on the face. Is this a carbine buffer? I guess I could finally buy a kitchen scale (we don't have one) and answer this myself.

    I also have a Spikes T-2 buffer not being used at the moment; has anyone tried running one of these in an LPR or a 14.5"? (Have a new 14.5" en route from Lawmen's to boltcarrier for a URX 4 & MAMS then finally to me.)
    No experience with Spikes T-2, but the HH (H2) buffer that comes with the KAC 14.5 upper runs great with the 14.5.

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