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Posted: 10/26/2010 2:35:07 PM EDT
[#1]
Saw one for sale once on the EE in all the years I have been on the board. I bought it
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Posted: 10/26/2010 3:17:25 PM EDT
[#2]
Can I borrow it or buy it?
Thanks for the numbers. |
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Posted: 10/26/2010 5:18:18 PM EDT
[#3]
Just have someone spin some for you (who every has a lathe close to you).
.154 is normal, and if you wanted to go for a no-gauge, then something in the .158 range with a taper tip so you can at at least get the check gauge pin started in the channel and if it did not go through, would dare to say that the channels are still fine.. As for it you did get a semi receiver that the channels where way out or egged, then there is always saving the receiver by drilling the Channels .170 and just installing an old colt style FCG. P.S. just for the record, the pins should spin in the receiver channel holes. It's when the holes are way egged out and causing safety/disco/firing problems due to the channels alone, that you may want to think of changing the hole sizes/FCG out to a .170 colt unit. |
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Posted: 10/28/2010 7:56:47 PM EDT
[#4]
Just buy standard gauge pins from any machine shop supply house. Meyers pins are sold in on-size increments (every .001"), minus .0002", plus .0002" or .0005" increments. For the ultimate, buy some DelTronic pins, which are available individually in .0001" increments or as a set, nominal to plus or minus .00012".
MSC (Manhattan Industrial Supply), http://www1.mscdirect.com is a nationwide tool supply order house. Hope this helps. |
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Posted: 10/28/2010 9:23:43 PM EDT
[#5]
The gage is not round. It has two bearing surfaces .045" wide 180 degrees apart and is .163 across the diameter. It checks a max distance across the hole for a set width on oppostite sides. A round pin will not give the same results.
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