416 buffer retainer vs standard ar15 - Page 3
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Thread: 416 buffer retainer vs standard ar15

  1. #21
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    Join Date : Mar 2012
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    Quote Originally Posted by dangerdan87 View Post
    I find it easier to drive pins in after I heat the part (not the pins) to 300-400 degrees for about 30 minutes.
    Definately going to do that. My plan is to assemble the retainer and spring and temporarily use the buffer tube to keep the retainer depressed enough to allow roll pin clearance while heating the parts. I might even cool the pin for the install to ease installation. Regarless, I've got a new bottle of aluminum black on hand. Should go together fine though.

  2. #22
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    Quick question, is the HK Buffer retainer spring the same as any AR buffer Retaining Spring?


    Sent from my iPhone using Tapatalk

  3. #23
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    No. It's slightly longer, and slightly larger in the wire diameter. Overall it's a stronger spring than a standard at15 spring. I'm assuming because the retainer is substantially longer and larger in diameter than an ar15 retainer, this requiring a stronger spring.

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