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The Range
Gunsmithing & Repairs
AR Roll Pin Size Question
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<blockquote data-quote="p238shooter" data-source="post: 2954636" data-attributes="member: 24583"><p>Ok, been away watching the game, so will try to catch up and address all the great suggestions.</p><p></p><p>I would suspect it has had way less than 100 rounds through it, so I would think wear on the pin or holes should not be a problem unless an old pin was installed for some reason. The pin was not shiny on the ends as an older one might be if it was worn and previously flopping around in a hole.</p><p></p><p>I have only pushed the pin back in to finish up firing at the range, then poked it through both directions about a 1/4 inch to measure it for the .154 inch size I posted. It has some resistance, but about half less than other pins similar I have pushed out.</p><p></p><p>I will have to do some research on the spring orientation and take a look. I am not as familiar with AR's as I would like to be, so this will be good for me to understand how it should be installed. The trigger felt as I expected for a stock fairly new unit even though the whole assembly was almost dripping with oil.</p><p></p><p>I'll take a look at the spring, if not the problem, will pick up a new pin in case this one might be odd sized and out of spec for some reason, then go from there. As a last resort, most likely a dot of blue Lock-tite or Vibri-tite would take care of the problem, had that on my might need to do list, but wanted to look at other options first. It has some resistance in the hole, just slightly less than it should.</p><p></p><p>SPDguns - I so appreciate the offer but I am about 30 miles East of Tulsa, so not real close, let me catch up on looking at the spring and putting in replacement pin, and I will post what I find.</p><p></p><p>Thanks to everyone for suggestions.</p></blockquote><p></p>
[QUOTE="p238shooter, post: 2954636, member: 24583"] Ok, been away watching the game, so will try to catch up and address all the great suggestions. I would suspect it has had way less than 100 rounds through it, so I would think wear on the pin or holes should not be a problem unless an old pin was installed for some reason. The pin was not shiny on the ends as an older one might be if it was worn and previously flopping around in a hole. I have only pushed the pin back in to finish up firing at the range, then poked it through both directions about a 1/4 inch to measure it for the .154 inch size I posted. It has some resistance, but about half less than other pins similar I have pushed out. I will have to do some research on the spring orientation and take a look. I am not as familiar with AR's as I would like to be, so this will be good for me to understand how it should be installed. The trigger felt as I expected for a stock fairly new unit even though the whole assembly was almost dripping with oil. I'll take a look at the spring, if not the problem, will pick up a new pin in case this one might be odd sized and out of spec for some reason, then go from there. As a last resort, most likely a dot of blue Lock-tite or Vibri-tite would take care of the problem, had that on my might need to do list, but wanted to look at other options first. It has some resistance in the hole, just slightly less than it should. SPDguns - I so appreciate the offer but I am about 30 miles East of Tulsa, so not real close, let me catch up on looking at the spring and putting in replacement pin, and I will post what I find. Thanks to everyone for suggestions. [/QUOTE]
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