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April 16th, 2024, 06:05 PM #1
AR15 buffer was slamming its retaining pin- fixed
To my surprise, my hardly shot higher-end carbine had five deep impacts on the face of the buffer. This surface should never touch the pin if the rear of bolt/buffer face relationship is correctly dimensioned and the drilled blind hole located in the threads of the upper receiver is located in the correct place. The common fix is an easy one...purchase an offset retainer pin which allows the face of the buffer to extend further forward toward the rear of the bolt. This creates a relationship wherein the rear of the bolt keeps the buffer from using the pin as home.
There have been occasional reports of broken retaining pins winding up in the fire control group, with jamming effect. The fix is easy, cheap, and worth looking into.There are two kinds of guns. Those I have acquired, and those I hope to.
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April 16th, 2024, 06:12 PM #2Grand Member
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Re: AR15 buffer was slamming its retaining pin- fixed
This doesn*t happen if the parts are in specification. Something is off dimension.
Crusader's local #556 South Central Asia chapter
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April 16th, 2024, 09:28 PM #3
Re: AR15 buffer was slamming its retaining pin- fixed
Yep. Zachary what I wrote. Misplaced retainer hole is common for some reason.
There are two kinds of guns. Those I have acquired, and those I hope to.
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April 16th, 2024, 09:33 PM #4
Re: AR15 buffer was slamming its retaining pin- fixed
The cheap fix is just remove the retainer, it only makes a difference when cleaning.
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April 17th, 2024, 12:22 PM #5
Re: AR15 buffer was slamming its retaining pin- fixed
True. Which I had done for a while at some point over the years. Didn't like it for some reason that I've since forgotten.
There are two kinds of guns. Those I have acquired, and those I hope to.
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April 17th, 2024, 01:07 PM #6Grand Member
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Re: AR15 buffer was slamming its retaining pin- fixed
A brand new 35.00 in spec. upper would solve the issue.
Crusader's local #556 South Central Asia chapter
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April 17th, 2024, 02:40 PM #7
Re: AR15 buffer was slamming its retaining pin- fixed
What brand and did you contact the manufacturer? I’m sure they’ll take care of the issue.
Today was a good day!
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April 17th, 2024, 03:46 PM #8
Re: AR15 buffer was slamming its retaining pin- fixed
The issue is taken care of, for $9.99. The carbine is a Spike's Tactical, which I bought from an acquaintance in 2008.
The $9.99 cure: https://kakindustry.com/ar15-offset-...-retainer-pin/
I posted this thinking the information might be of help to someone having this reportedly common issue.There are two kinds of guns. Those I have acquired, and those I hope to.
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April 17th, 2024, 04:00 PM #9
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April 17th, 2024, 07:53 PM #10
Re: AR15 buffer was slamming its retaining pin- fixed
LOL....yeah, sure.
There are two kinds of guns. Those I have acquired, and those I hope to.
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