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Posted: 4/7/2016 4:19:04 PM EDT
Does or could anyone reproduce the old style full round carbine buffers found on XM177s

UPDATE live4nov has created a prototype for testing.

http://www.ar15.com/forums/t_3_123/693462_Full_round_carbine_buffer_SP1_carbine_and_XM177E2.html&page=5#i7194241
Link Posted: 4/7/2016 5:13:38 PM EDT
[#1]
I was thinking about it actually. I made some Acetate ones, then I did a few aluminum caps for carbon fiber bow stabilizers the other day for a guy building me a website and they were similar to buffer bodies. I also saw some gold type 2 at my anodizer that looked close to the color, just didn't have the green hue.



I just have so much going on I don't have the time to play with it. Im sure someone here could make them pretty easy though.
Link Posted: 4/7/2016 5:56:38 PM EDT
[#2]
it would be awesome if you could make some. JT might be able machine them too he used to make edgewater bodies.
Link Posted: 4/7/2016 9:42:23 PM EDT
[#3]

Discussion ForumsJump to Quoted PostQuote History
Quoted:


it would be awesome if you could make some. JT might be able machine them too he used to make edgewater bodies.
View Quote
Ok,... you pushed me over the edge. I couldn't help myself



 



Untitled by Deer Hunter, on Flickr" />




Link Posted: 4/7/2016 9:56:32 PM EDT
[#4]
Hey Matt, I'll take one for my 629
Link Posted: 4/7/2016 10:20:51 PM EDT
[#5]
Awesome let's see it anodized the correct color. I think they were gray.

Link Posted: 4/7/2016 11:38:03 PM EDT
[#6]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Awesome let's see it anodized the correct color. I think they were gray.

<a href="http://s268.photobucket.com/user/tom051876/media/2016-04/68A0DDFD-EEF3-48D3-8472-D85DE69A2E31.png_zpsfcpigily.jpeg.html" target="_blank">http://i268.photobucket.com/albums/jj19/tom051876/2016-04/68A0DDFD-EEF3-48D3-8472-D85DE69A2E31.png_zpsfcpigily.jpeg</a>
View Quote


I have an original that is gold with a wine colored buffer
Link Posted: 4/8/2016 7:39:11 AM EDT
[#7]
Discussion ForumsJump to Quoted PostQuote History
Quoted:


I have an original that is gold with a wine colored buffer
View Quote View All Quotes
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Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
Awesome let's see it anodized the correct color. I think they were gray.

<a href="http://s268.photobucket.com/user/tom051876/media/2016-04/68A0DDFD-EEF3-48D3-8472-D85DE69A2E31.png_zpsfcpigily.jpeg.html" target="_blank">http://i268.photobucket.com/albums/jj19/tom051876/2016-04/68A0DDFD-EEF3-48D3-8472-D85DE69A2E31.png_zpsfcpigily.jpeg</a>


I have an original that is gold with a wine colored buffer


If you make them they will sell! Retro heads will be canabalizing thier modern buffer weight and rubber pads!  Think of all those XM clones with original style buffers. It would be amazing
Link Posted: 4/8/2016 8:37:45 AM EDT
[#8]
I've got a full rounded black one. What'd it go in?  The only thing I know is they're harder to get in the tube. Have to press in detent while trying to install.
Link Posted: 4/8/2016 10:53:44 AM EDT
[#9]
lets get some pics up of the different colors and such you guys have. Who is doing anodizing on here and wants to mess with colors?  mine is to far of a drive and Im leaving town for a few weeks.



Where should a mark be put to show its a repro? I have some small letters, or I could prick punch it on the bottom side of the face?












Link Posted: 4/8/2016 11:10:48 AM EDT
[#10]
Black full round carbine buffers I think have all been commercial dupes.

Per BoyWonder, HKiller & HipSh0t here: https://www.ar15.com/archive/topic.html?b=3&f=123&t=679369

The old SP1 carbine buffers have been the kind of darker bronzey-grey, with non-translucent yellow/red-wine bumpers.

see here: https://www.ar15.com/archive/topic.html?b=3&f=123&t=525487
and here: http://www.gunbroker.com/Auction/ViewItem.aspx?Item=550951416
Link Posted: 4/8/2016 3:49:16 PM EDT
[#11]

Discussion ForumsJump to Quoted PostQuote History
Quoted:


Black full round carbine buffers I think have all been commercial dupes.



Per BoyWonder, HKiller & HipSh0t here: https://www.ar15.com/archive/topic.html?b=3&f=123&t=679369



The old SP1 carbine buffers have been the kind of darker bronzey-grey, with non-translucent yellow/red-wine bumpers.



see here: https://www.ar15.com/archive/topic.html?b=3&f=123&t=525487

and here: http://www.gunbroker.com/Auction/ViewItem.aspx?Item=550951416
View Quote
Good research, thanks for the links. 2 of those pics to include the auction I couldn't see the cross pin in the bumper. I put a bid in to see if I can get hands on it.
Link Posted: 4/8/2016 4:25:53 PM EDT
[#12]
Here is mine , it the earlier version without a roll pin, I'd love to be able to buy new ones .










Link Posted: 4/8/2016 4:26:37 PM EDT
[#13]
Correct, only the later buffers had the bumpers pinned.  Early ones were just inserted. (I don't know if they're just friction, or if there's some kind of lip that they seat into?)
Link Posted: 4/8/2016 5:21:31 PM EDT
[#14]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Correct, only the later buffers had the bumpers pinned.  Early ones were just inserted. (I don't know if they're just friction, or if there's some kind of lip that they seat into?)
View Quote


The tubes were jagged on the inside ends
Link Posted: 4/8/2016 5:22:41 PM EDT
[#15]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Correct, only the later buffers had the bumpers pinned.  Early ones were just inserted. (I don't know if they're just friction, or if there's some kind of lip that they seat into?)
View Quote



Wonder what the timeline for the pinned vs non pinned?
Link Posted: 4/8/2016 5:25:48 PM EDT
[#16]
I bought some all round Colt's from Brownells many years ago. Probably around 2002.   Were in Brownells white or yellow plastic sealed bag  (I may still have packaging)  but it said Brownells / mfg  Colt and were purchased and charged as such if memory serves.  Thinking they were $22ish each at the time.  They had modern snot / light lime colored bumper and were pinned and anodizing was gold to green if memory serves.  They were sold or traded to a couple members here so should still be around. Think I still have one in a carbine somewhere.  Don't usually dig that far into them and just annually cleaned 10 uppers yesterday.

Liv4Nov,  I think stamping a R for retro on face like the H buffers before anodizing would be cool.  We would all know what it meant and probably get a chuckle out of a far fetched story 10 years from now if you made and circulated a few.

Very nice job also.  Homebrewed stuff like that makes me a little paranoid but lots of gun related stuff makes me paranoid even from known firearms mfgs.

I don't know time frame for carbines but for rifle,  pinned buffers were part of the A-2 upgrade according to member who worked on Colt A-2 project and earliest was for USMC 1983 due to bumpers flying apart in extreme cold weather.  Other branches were later.  I've seen dated packaged pinned rifle buffers earlier but have always been a little suspect on those based on what I was told.  Think member was Coldblue or such.  I usually grab the wine colored bumper pinned buffers when 100 box shipments come around and they still show up today but very limited.  Usually 3-4 out of 100 at most.  

Link Posted: 4/8/2016 7:00:37 PM EDT
[#17]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I bought some all round Colt's from Brownells many years ago. Probably around 2002.   Were in Brownells white or yellow plastic sealed bag  (I may still have packaging)  but it said Brownells / mfg  Colt and were purchased and charged as such if memory serves.  Thinking they were $22ish each at the time.  They had modern snot / light lime colored bumper and were pinned and anodizing was gold to green if memory serves.  They were sold or traded to a couple members here so should still be around. Think I still have one in a carbine somewhere.  Don't usually dig that far into them and just annually cleaned 10 uppers yesterday.

Liv4Nov,  I think stamping a R for retro on face like the H buffers before anodizing would be cool.  We would all know what it meant and probably get a chuckle out of a far fetched story 10 years from now if you made and circulated a few.

Very nice job also.  Homebrewed stuff like that makes me a little paranoid but lots of gun related stuff makes me paranoid even from known firearms mfgs.

I don't know time frame for carbines but for rifle,  pinned buffers were part of the A-2 upgrade according to member who worked on Colt A-2 project and earliest was for USMC 1983 due to bumpers flying apart in extreme cold weather.  Other branches were later.  I've seen dated packaged pinned rifle buffers earlier but have always been a little suspect on those based on what I was told.  Think member was Coldblue or such.  I usually grab the wine colored bumper pinned buffers when 100 box shipments come around and they still show up today but very limited.  Usually 3-4 out of 100 at most.  

View Quote


Good idea to mark them but I say on the side just because that's what you see when you open up a XM177 clone! Can you mold the correct bumper pad?
Link Posted: 4/8/2016 7:26:16 PM EDT
[#18]
Disregard, Numrich is sold out.
Link Posted: 4/8/2016 8:02:07 PM EDT
[#19]

Discussion ForumsJump to Quoted PostQuote History
Quoted:
Good idea to mark them but I say on the side just because that's what you see when you open up a XM177 clone! Can you mold the correct bumper pad?

View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Quoted:



Quoted:

I bought some all round Colt's from Brownells many years ago. Probably around 2002.   Were in Brownells white or yellow plastic sealed bag  (I may still have packaging)  but it said Brownells / mfg  Colt and were purchased and charged as such if memory serves.  Thinking they were $22ish each at the time.  They had modern snot / light lime colored bumper and were pinned and anodizing was gold to green if memory serves.  They were sold or traded to a couple members here so should still be around. Think I still have one in a carbine somewhere.  Don't usually dig that far into them and just annually cleaned 10 uppers yesterday.



Liv4Nov,  I think stamping a R for retro on face like the H buffers before anodizing would be cool.  We would all know what it meant and probably get a chuckle out of a far fetched story 10 years from now if you made and circulated a few.



Very nice job also.  Homebrewed stuff like that makes me a little paranoid but lots of gun related stuff makes me paranoid even from known firearms mfgs.



I don't know time frame for carbines but for rifle,  pinned buffers were part of the A-2 upgrade according to member who worked on Colt A-2 project and earliest was for USMC 1983 due to bumpers flying apart in extreme cold weather.  Other branches were later.  I've seen dated packaged pinned rifle buffers earlier but have always been a little suspect on those based on what I was told.  Think member was Coldblue or such.  I usually grab the wine colored bumper pinned buffers when 100 box shipments come around and they still show up today but very limited.  Usually 3-4 out of 100 at most.  







Good idea to mark them but I say on the side just because that's what you see when you open up a XM177 clone! Can you mold the correct bumper pad?

I agree. No molding ability here.
Link Posted: 4/8/2016 9:00:12 PM EDT
[#20]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I agree. No molding ability here.
View Quote View All Quotes
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Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
Quoted:
I bought some all round Colt's from Brownells many years ago. Probably around 2002.   Were in Brownells white or yellow plastic sealed bag  (I may still have packaging)  but it said Brownells / mfg  Colt and were purchased and charged as such if memory serves.  Thinking they were $22ish each at the time.  They had modern snot / light lime colored bumper and were pinned and anodizing was gold to green if memory serves.  They were sold or traded to a couple members here so should still be around. Think I still have one in a carbine somewhere.  Don't usually dig that far into them and just annually cleaned 10 uppers yesterday.

Liv4Nov,  I think stamping a R for retro on face like the H buffers before anodizing would be cool.  We would all know what it meant and probably get a chuckle out of a far fetched story 10 years from now if you made and circulated a few.

Very nice job also.  Homebrewed stuff like that makes me a little paranoid but lots of gun related stuff makes me paranoid even from known firearms mfgs.

I don't know time frame for carbines but for rifle,  pinned buffers were part of the A-2 upgrade according to member who worked on Colt A-2 project and earliest was for USMC 1983 due to bumpers flying apart in extreme cold weather.  Other branches were later.  I've seen dated packaged pinned rifle buffers earlier but have always been a little suspect on those based on what I was told.  Think member was Coldblue or such.  I usually grab the wine colored bumper pinned buffers when 100 box shipments come around and they still show up today but very limited.  Usually 3-4 out of 100 at most.  



Good idea to mark them but I say on the side just because that's what you see when you open up a XM177 clone! Can you mold the correct bumper pad?
I agree. No molding ability here.

any idea what material was used for the bumper pad?
Link Posted: 4/8/2016 10:52:49 PM EDT
[#21]
Urethane. I don't know the density though, can't find it in any of the reports.
Link Posted: 4/8/2016 11:10:39 PM EDT
[#22]
I have one like this. Always assumed it was recent production, just without the flats. The bumper has raised numbers around the edge - 1005-110360

Link Posted: 4/9/2016 10:20:52 AM EDT
[#23]
I'd bet anyone could turn these out for a few dollars each on a CNC.
my guy could as long as I give him specs. Minimum would be 100 parts.
Link Posted: 4/9/2016 11:25:22 AM EDT
[#24]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I'd bet anyone could turn these out for a few dollars each on a CNC.
my guy could as long as I give him specs. Minimum would be 100 parts.
View Quote



I'm in also if you look at the carbine parts guide Eekie says some 600 series carbines came out with
Pinned bumpers.

Hey here is something you might like. Taken from my original

Link Posted: 4/9/2016 6:05:15 PM EDT
[#25]
Link Posted: 4/9/2016 6:08:09 PM EDT
[#26]
Oh wow!
Link Posted: 4/9/2016 7:09:29 PM EDT
[#27]
Discussion ForumsJump to Quoted PostQuote History
Quoted:



I'm in also if you look at the carbine parts guide Eekie says some 600 series carbines came out with
Pinned bumpers.

Hey here is something you might like. Taken from my original

<a href="http://s268.photobucket.com/user/tom051876/media/2016-04/3B525496-A1F7-490A-B165-C20D9A4410FA.png_zpsmb9noj4h.jpeg.html" target="_blank">http://i268.photobucket.com/albums/jj19/tom051876/2016-04/3B525496-A1F7-490A-B165-C20D9A4410FA.png_zpsmb9noj4h.jpeg</a>
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
I'd bet anyone could turn these out for a few dollars each on a CNC.
my guy could as long as I give him specs. Minimum would be 100 parts.



I'm in also if you look at the carbine parts guide Eekie says some 600 series carbines came out with
Pinned bumpers.

Hey here is something you might like. Taken from my original

<a href="http://s268.photobucket.com/user/tom051876/media/2016-04/3B525496-A1F7-490A-B165-C20D9A4410FA.png_zpsmb9noj4h.jpeg.html" target="_blank">http://i268.photobucket.com/albums/jj19/tom051876/2016-04/3B525496-A1F7-490A-B165-C20D9A4410FA.png_zpsmb9noj4h.jpeg</a>


I'll take 2 carbine length and one rifle length!  

Don't mean to go OT. But, seriously, if someone is able to make the EW buffer bodies, That would be great.
Link Posted: 4/9/2016 7:54:17 PM EDT
[#28]
The bodies would be simple to make. The bumper depends on the hardness of the urethane. May be able to freeze it in liquid nitrogen while its in the chuck and cut it then.
Link Posted: 4/9/2016 9:25:58 PM EDT
[#29]
Waiting for word, but I may have some early bumpers from demil buffers coming from a friend in or near Indiana.
Link Posted: 4/9/2016 9:35:45 PM EDT
[#30]
Can someone make repro edgewater caps and weights?
Link Posted: 4/9/2016 9:39:00 PM EDT
[#31]
Bumpers used to be available.  Weights would be another expense.  Lots of different weight buffers out there today.  Numrich had bumpers,  haven't looked lately.  Thinking Brownells also.  Be nice to deal direct with sub contractor for parts.  Not unheard of.
Link Posted: 4/9/2016 11:03:49 PM EDT
[#32]
You can buy the bumpers on numrich gun parts
Link Posted: 4/10/2016 11:35:03 AM EDT
[#33]
were they 3.0 OZ of a little less?

Link Posted: 4/10/2016 10:48:01 PM EDT
[#34]
I have plenty of new bumpers and weights, steel, tungsten, etc  for making acetate buffers, and my own stuff. The tungsten weights are only like $6 each on KAK. I am hoping to get some old ones though. Are the ones on numrichs old, or new? I have real problems finding anything on their site.
Link Posted: 4/11/2016 11:01:15 AM EDT
[#36]

Discussion ForumsJump to Quoted PostQuote History
Thanks! That bumper looks good, but geeez those prices... KAK has steel for $1, and Tungsten for $6. Bumpers are new but still  $1. If the ones on Numrichs are that color it would be worth the price in IMO though.
Link Posted: 4/11/2016 11:09:50 AM EDT
[#37]
Don't count on any of Numrich's photos to be accurate.  But, it's probably sill worth buying a couple of their bumpers to find out.
Link Posted: 4/11/2016 12:12:25 PM EDT
[#38]
I wonder if they will do a discounted price, I could probably make the bodies pretty easily. And mark them as repro's. with the weights, spacer and bumper alone we are at $18.

depending on who is anodizing (victor will be close to $10 ea.) so $28 with out the buffer body machined.
Link Posted: 4/11/2016 12:31:35 PM EDT
[#39]
Sounds like a fair price to me.
Link Posted: 4/11/2016 1:23:56 PM EDT
[#40]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Sounds like a fair price to me.
View Quote



Thats the same bumper I have left over from my M231 project.
Very difficult to locate in bulk despite being very common.
Getting knockoffs was easy.. They are a bit different that what you see in a M4/16
Link Posted: 4/11/2016 9:52:03 PM EDT
[#41]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Correct, only the later buffers had the bumpers pinned.  Early ones were just inserted. (I don't know if they're just friction, or if there's some kind of lip that they seat into?)
View Quote


Colt must have had some left over, my 1980 vintage SP-1 carbine has an un pinned buffer with the yellow bumper in it.
Link Posted: 4/12/2016 7:01:59 AM EDT
[#42]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I wonder if they will do a discounted price, I could probably make the bodies pretty easily. And mark them as repro's. with the weights, spacer and bumper alone we are at $18.

depending on who is anodizing (victor will be close to $10 ea.) so $28 with out the buffer body machined.
View Quote



Ill be up for three of them once they are done...I can help with an investment into the project.
Link Posted: 4/12/2016 8:17:48 AM EDT
[#43]
I've made weights from old carbide endmills. Cut the shanks of the endmills with a diamond wheel. Couple guys here have white Delton faux early buffers in their 607's, made like so. I added the urethane bumper, assuming that Colt added them for a reason.
Link Posted: 4/12/2016 8:37:01 AM EDT
[#44]
Any one have dimensions for a buffer? im at work and dont have one on hand to measure.
Link Posted: 4/12/2016 9:08:37 AM EDT
[#45]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
I've made weights from old carbide endmills. Cut the shanks of the endmills with a diamond wheel. Couple guys here have white Delton faux early buffers in their 607's, made like so. I added the urethane bumper, assuming that Colt added them for a reason.
View Quote


I say just make the hollow bodies and procure some bumpers. Tungsten weights can be cannibalized from existing carbine buffers. Weight should be 2.9 oz.
Link Posted: 4/12/2016 9:24:17 AM EDT
[#46]
Discussion ForumsJump to Quoted PostQuote History
Quoted:


I say just make the hollow bodies and procure some bumpers. Tungsten weights can be cannibalized from existing carbine buffers. Weight should be 2.9 oz.
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
I've made weights from old carbide endmills. Cut the shanks of the endmills with a diamond wheel. Couple guys here have white Delton faux early buffers in their 607's, made like so. I added the urethane bumper, assuming that Colt added them for a reason.


I say just make the hollow bodies and procure some bumpers. Tungsten weights can be cannibalized from existing carbine buffers. Weight should be 2.9 oz.


I wanted to be able to tailor the weight for relatively smooth operation of my 607. I believe original 607's had gas ports of about .100-.110. I used a modern gas port size like the mk18's. Sure, I could have cannibalized a couple buffers for parts but didn't want to do that. At the time I did not know that you could buy individual buffer oarts, plus, I'm a cheap bastid.
Link Posted: 4/12/2016 11:11:20 AM EDT
[#47]
Discussion ForumsJump to Quoted PostQuote History
Quoted:



Ill be up for three of them once they are done...I can help with an investment into the project.
View Quote View All Quotes
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Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
I wonder if they will do a discounted price, I could probably make the bodies pretty easily. And mark them as repro's. with the weights, spacer and bumper alone we are at $18.

depending on who is anodizing (victor will be close to $10 ea.) so $28 with out the buffer body machined.



Ill be up for three of them once they are done...I can help with an investment into the project.

Im going to try and make the weights and spacers my self, that will cut the cost down a bit.

So what color were they originally goldish bronze?

Only concern is getting the bumpers.
Link Posted: 4/12/2016 12:38:14 PM EDT
[#48]



Link Posted: 4/12/2016 1:45:27 PM EDT
[#49]

Discussion ForumsJump to Quoted PostQuote History


Im going to try and make the weights and spacers my self, that will cut the cost down a bit.



So what color were they originally goldish bronze?



Only concern is getting the bumpers.
View Quote
http://www.gunpartscorp.com/Products/197440B.htm



 
Link Posted: 4/12/2016 2:02:26 PM EDT
[#50]
Discussion ForumsJump to Quoted PostQuote History
Quoted:
http://www.gunpartscorp.com/Products/197440B.htm
 
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Discussion ForumsJump to Quoted PostQuote History
Quoted:

Im going to try and make the weights and spacers my self, that will cut the cost down a bit.

So what color were they originally goldish bronze?

Only concern is getting the bumpers.
http://www.gunpartscorp.com/Products/197440B.htm
 

Ordered one yesterday, along with a weight and spacer. depending on how many bumpers they have and what style they are, just hope there are enough to make all the buffers.
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