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11/20/2019 5:07:11 PM
Posted: 7/31/2009 10:45:58 AM EST
Was the casting flash on the inside of the carry handle non existant on the 601 or was it removed by filing.
I picked up a 601 upper some time ago, and the area inside the carry handle looks a lot like the 604 I modified to 601 some time ago.
For some reason I thought they were cast without the flashing, but now that I think of it ...that dont make sense.
Ron
Link Posted: 7/31/2009 10:56:33 AM EST
They are not cast, but forged. Every 601 receiver I've seen has been smooth. Are you sure it is a 601?
Link Posted: 7/31/2009 11:23:21 AM EST
Originally Posted By hk45shooter:
They are not cast, but forged. Every 601 receiver I've seen has been smooth. Are you sure it is a 601?


I guess I'm not sure, I purchased it as a 601. It has all the features of a 601 'cept the flashing inside the carry handle looks 'removed'.
The pivot hole is rebated.
There are no rear sight marking on the right rear of the carry handle.
The rear sight is a 601, not a repro.
There are no forging marks in the recess under the rear sight.
'C' in a square over a triangle up front.
Ejection port door is correct.
The hole for the ejection port door spring is correct.
The off set profile under the ejection port is correct.
It appears slightly pitted and refinish in what I'll call the matte black, dont appear to be recent.
It was the inside the handle that got me thinking........
Ron
Link Posted: 7/31/2009 11:30:41 AM EST
[Last Edit: 7/31/2009 11:31:19 AM EST by TexSquirrel]
Unless you got it pretty recently(last couple of years) I really doubt it is a modified 604.
If it was modified then someone went to a lot of trouble.
Link Posted: 7/31/2009 11:41:08 AM EST
My original 601 upper looks pretty smooth. The ones I converted from early 604 uppers look pretty smooth too.
Link Posted: 7/31/2009 12:29:57 PM EST
Originally Posted By skychair:
Originally Posted By hk45shooter:
They are not cast, but forged. Every 601 receiver I've seen has been smooth. Are you sure it is a 601?


I guess I'm not sure, I purchased it as a 601. It has all the features of a 601 'cept the flashing inside the carry handle looks 'removed'.
The pivot hole is rebated.
There are no rear sight marking on the right rear of the carry handle.
The rear sight is a 601, not a repro.
There are no forging marks in the recess under the rear sight.
'C' in a square over a triangle up front.
Ejection port door is correct.
The hole for the ejection port door spring is correct.
The off set profile under the ejection port is correct.
It appears slightly pitted and refinish in what I'll call the matte black, dont appear to be recent.
It was the inside the handle that got me thinking........
Ron


Sounds right. The only reason I asked was the comment of it being cast.



Link Posted: 7/31/2009 12:46:09 PM EST
I got some pictures up if anyone cares to look.
I have this upper, and the 604 upper I modified a couple of years ago.
If this one is a fake I'd just as soon use the one I did, I'm close to gathering all the parts for my Retro 601, and would like
this upper to be the genuine, but..............
I just remembered..................I dont know how to make the link hot, whats the secret???

http://www.picturetrail.com/sfx/album/slideshow/22355618
Link Posted: 7/31/2009 12:57:18 PM EST
Link Posted: 7/31/2009 1:36:52 PM EST
[Last Edit: 7/31/2009 1:42:20 PM EST by hk45shooter]
That looks normal. The way it sounded to me, you were saying there was a lot of forging flash there, like a 604.

ETA pictures of mine.



Link Posted: 7/31/2009 3:00:08 PM EST
Couldn't tell from your pics - what's the area around the Charging handle look like?
Link Posted: 7/31/2009 3:57:25 PM EST
Originally Posted By Morg308:
Couldn't tell from your pics - what's the area around the Charging handle look like?


5th picture in the slideshow
Link Posted: 7/31/2009 9:13:51 PM EST
Originally Posted By skychair:
I got some pictures up if anyone cares to look.


Well, if that's a fake, we musta bought from the same faker 'cause yours looks just like mine!
...Except I'm still looking for an original rear sight wheel


Link Posted: 8/1/2009 3:22:02 AM EST
Originally Posted By hk45shooter:
That looks normal. The way it sounded to me, you were saying there was a lot of forging flash there, like a 604.

ETA pictures of mine.

http://i40.photobucket.com/albums/e248/hk45shooter/forging2600x450.jpg

http://i40.photobucket.com/albums/e248/hk45shooter/forging600x450.jpg


Thanks hk45shooter, your pictures convinced me....looks just like mine.

Link Posted: 8/1/2009 6:14:59 AM EST
Originally Posted By skychair:
Thanks hk45shooter, your pictures convinced me....looks just like mine.

No problem.

Post pictures of your build when it is done.

Link Posted: 8/1/2009 2:11:31 PM EST
Mine is a bit smoother than yours...but its close!

Link Posted: 8/1/2009 6:56:12 PM EST
Look for the hole in the receiver where the end of the Eject port cover spring goes. It is almost inpossible to drill that to match the orginal hole.
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