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Posted: 4/13/2014 5:51:12 AM EDT
Hi all! Geez I haven't been around this side of the forum in a while. Anyways, just wanted to show off a pretty rare part I picked up the other day from a buddy. It's an original transitional bolt catch! I just thought it was pretty cool because I had never seen one in person. Are these really as rare as I think? Can't ever recall seeing one for sale. Anyways, enjoy. Have no idea what I'm going to do with it, but I thought it was pretty cool
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Posted: 4/13/2014 6:00:34 AM EDT
[#1]
Did your buddy realize what he had?
Feel free to put it on Pay it Forward if you're not sure what to do with it. 
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Posted: 4/13/2014 6:09:28 AM EDT
[#2]
Prepare for the flood of IM's begging you to sell it to them...heh heh.
But for sure...I'll take it....>) Dale Quoted:
Hi all! Geez I haven't been around this side of the forum in a while. Anyways, just wanted to show off a pretty rare part I picked up the other day from a buddy. It's an original transitional bolt catch! I just thought it was pretty cool because I had never seen one in person. Are these really as rare as I think? Can't ever recall seeing one for sale. Anyways, enjoy. Have no idea what I'm going to do with it, but I thought it was pretty cool
<a href="http://s156.photobucket.com/user/BlancoDiablo/media/DSCN5821_zpsa9e2cd9b.jpg.html" target="_blank">http://i156.photobucket.com/albums/t15/BlancoDiablo/DSCN5821_zpsa9e2cd9b.jpg</a> <a href="http://s156.photobucket.com/user/BlancoDiablo/media/DSCN5822_zps7956513d.jpg.html" target="_blank">http://i156.photobucket.com/albums/t15/BlancoDiablo/DSCN5822_zps7956513d.jpg</a> |
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Posted: 4/13/2014 6:52:13 AM EDT
[#3]
Haha! What model rifle were these usually found on? Heck, it may give me a reason to build an XM16E1
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Posted: 4/13/2014 7:04:33 AM EDT
[#4]
I looked for 2-3 years before finding one, and jumped on it at $100. They are very rare. That was 5 years ago I think. I can count the number of these I've seen (real ones) on the fingers of one hand with fingers left over. The only model I know that used them for sure was the XM16E1, although 602s may have also...perhaps very early 604s of same vintage.
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Posted: 4/13/2014 7:04:34 AM EDT
[#5]
Quote HistoryQuoted:
Haha! What model rifle were these usually found on? Heck, it may give me a reason to build an XM16E1 Wouldn't it be correct for a 64 XM16E1 |
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Posted: 4/13/2014 7:37:19 AM EDT
[#6]
Should take it to machine shop and let someone cnc you a new one and put that one away.
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Posted: 4/13/2014 7:42:59 AM EDT
[#7]
I'm not scared to ask when I don't know something. for us bolt catch impaired . could you help educate this girl on what's so rare about this. I will keep my head down in shame if its a stupid no brainer 13'er moment . the button looks the same, the side that faces the back of the weapon looks the same. I see a difference in the ramp pin area.
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Posted: 4/13/2014 7:45:21 AM EDT
[#8]
Quote HistoryQuoted:
I'm not scared to ask when I don't know something. for us bolt catch impaired . could you help educate this girl on what's so rare about this. I will keep my head down in shame if its a stupid no brainer 13'er moment . the button looks the same, the side that faces the back of the weapon looks the same. I see a difference in the ramp pin area. They were only used for a very short time before being changed to the modern one. I believe they were used on 1964 XM16E1 which most went to VN and verly little in circulation these days. according to the guide: Transitional bolt stop. These were used sporadically and can be found on serial numbers as low as 40,XXX in 1964 and as high as 138,XXX in 1965: |
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Posted: 4/13/2014 7:51:47 AM EDT
[#9]
Quote HistoryQuoted:
They were only used for a very short time before being changed to the modern one. I believe they were used on 1964 XM16E1 which most went to VN and verly little in circulation these days. according to the guide: Transitional bolt stop. These were used sporadically and can be found on serial numbers as low as 40,XXX in 1964 and as high as 138,XXX in 1965: Quote HistoryQuoted:
Quoted:
I'm not scared to ask when I don't know something. for us bolt catch impaired . could you help educate this girl on what's so rare about this. I will keep my head down in shame if its a stupid no brainer 13'er moment . the button looks the same, the side that faces the back of the weapon looks the same. I see a difference in the ramp pin area. They were only used for a very short time before being changed to the modern one. I believe they were used on 1964 XM16E1 which most went to VN and verly little in circulation these days. according to the guide: Transitional bolt stop. These were used sporadically and can be found on serial numbers as low as 40,XXX in 1964 and as high as 138,XXX in 1965: The only difference in the machining is the serrations above the "nipple" on the bottom of the button side of the catch. The leg that is caught by the magazine follower is also of a slightly different shape. Like BROvet said, they were used for a very short time so there are not many examples out there at all. |
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Posted: 4/13/2014 7:54:16 AM EDT
[#10]
Quote HistoryQuoted:
I'm not scared to ask when I don't know something. for us bolt catch impaired . could you help educate this girl on what's so rare about this. I will keep my head down in shame if its a stupid no brainer 13'er moment . the button looks the same, the side that faces the back of the weapon looks the same. I see a difference in the ramp pin area. i beleive it's the the bottom set of serrations. yeah, that kinda detail is why people look at us funny. |
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Posted: 4/13/2014 7:57:38 AM EDT
[#11]
Quote HistoryQuoted:
I'm not scared to ask when I don't know something. for us bolt catch impaired . could you help educate this girl on what's so rare about this. I will keep my head down in shame if its a stupid no brainer 13'er moment . the button looks the same, the side that faces the back of the weapon looks the same. I see a difference in the ramp pin area. Go Here: http://imageevent.com/willyp/firearmsalbums/uscoltarmalitem16ar15556/m16partsvariations/lowerreceivercomponents Second row of pics right side. |
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Posted: 4/13/2014 8:25:06 AM EDT
[#12]
Quote HistoryQuoted:
Should take it to machine shop and let someone cnc you a new one and put that one away. This is not as easy as it sounds. Heatnbeat and I believe another member attempted to make some, but they are difficult to machine apparently, which is likely why the design was changed. He got close, but wasn't totally happy with the results IIRC. |
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Posted: 4/13/2014 8:31:39 AM EDT
[#13]
From the looks of these, they updated the early lost wax casting molds by later machining the area for the raised nub.
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Posted: 4/13/2014 8:34:05 AM EDT
[#14]
Quote HistoryQuoted:
From the looks of these, they updated the early lost wax casting molds by later machining the area for the raised nub. At the bottom front? I'm pretty sure that's where the main sprue was. That's where I'd put it. |
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Posted: 4/13/2014 8:37:54 AM EDT
[#15]
WOW thanks. lots of great info on there.....
 Quote HistoryQuoted:
Go Here: http://imageevent.com/willyp/firearmsalbums/uscoltarmalitem16ar15556/m16partsvariations/lowerreceivercomponents Second row of pics right side. Quote HistoryQuoted:
Quoted:
I'm not scared to ask when I don't know something. for us bolt catch impaired . could you help educate this girl on what's so rare about this. I will keep my head down in shame if its a stupid no brainer 13'er moment . the button looks the same, the side that faces the back of the weapon looks the same. I see a difference in the ramp pin area. Go Here: http://imageevent.com/willyp/firearmsalbums/uscoltarmalitem16ar15556/m16partsvariations/lowerreceivercomponents Second row of pics right side. |
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Posted: 4/13/2014 10:02:51 AM EDT
[#16]
Quote HistoryQuoted:
This is not as easy as it sounds. Heatnbeat and I believe another member attempted to make some, but they are difficult to machine apparently, which is likely why the design was changed. He got close, but wasn't totally happy with the results IIRC. Quote HistoryQuoted:
Quoted:
Should take it to machine shop and let someone cnc you a new one and put that one away. This is not as easy as it sounds. Heatnbeat and I believe another member attempted to make some, but they are difficult to machine apparently, which is likely why the design was changed. He got close, but wasn't totally happy with the results IIRC. Morg308, That was me. Heatnbeat guided me through the process after I posted my initial attempt, and thanks to his help, I was able to do it. The originals are rare, indeed. They were also used on the very early SP1s. John Thomas |
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Posted: 4/13/2014 6:05:16 PM EDT
[#17]
Sure would look great on my newly engraved/reprofiled XM16E1 receiver by Mr. Braceman.........hint...hint...wink....wink.
http:// http:// Quote HistoryQuoted:
Prepare for the flood of IM's begging you to sell it to them...heh heh. But for sure...I'll take it....>) Dale Quote HistoryQuoted:
Prepare for the flood of IM's begging you to sell it to them...heh heh. But for sure...I'll take it....>) Dale Quoted:
Hi all! Geez I haven't been around this side of the forum in a while. Anyways, just wanted to show off a pretty rare part I picked up the other day from a buddy. It's an original transitional bolt catch! I just thought it was pretty cool because I had never seen one in person. Are these really as rare as I think? Can't ever recall seeing one for sale. Anyways, enjoy. Have no idea what I'm going to do with it, but I thought it was pretty cool
<a href="http://s156.photobucket.com/user/BlancoDiablo/media/DSCN5821_zpsa9e2cd9b.jpg.html" target="_blank">http://i156.photobucket.com/albums/t15/BlancoDiablo/DSCN5821_zpsa9e2cd9b.jpg</a> <a href="http://s156.photobucket.com/user/BlancoDiablo/media/DSCN5822_zps7956513d.jpg.html" target="_blank">http://i156.photobucket.com/albums/t15/BlancoDiablo/DSCN5822_zps7956513d.jpg</a> |
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Posted: 4/13/2014 6:12:51 PM EDT
[#18]
how close are the clones. can you tell the difference?
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Posted: 4/15/2014 4:51:45 PM EDT
[#19]
The clones are pretty close, at least mine are and knowing JT, I'm pretty sure his are too. I mark my retro parts, but even without marking you can tell. On a newer catch if you follow the plane of the lower part of the catch and remove the hump; on a transitional or 601 style the serrations are above that plane. On clones the hump is removed and the serrations cut down into that plane. For that reason the pin hole is closer to the surface on a clone. Also the last serration should end right up against the hump like a gusset. That last serration is the hard part!!! Hope this helps you guys rooting thru parts trays!! Happy Hunting!!!!!!!!!
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Posted: 4/15/2014 5:22:57 PM EDT
[#20]
Nice find Blanco. A very early XM is in your future.
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