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Posted: 9/21/2018 5:49:53 PM EDT
About 15 years ago at the Tampa gun show, I walked by an Aframe rack loaded with plain Jane A2 plastic hand guard uppers that a guy was selling as Rock Rivers.
I spotted this one in the rack and snagged it because it was free float which was just starting to get popular back then. Its managed to hang around all these years as others came and went, but I have no idea WTF it is. The only thing I've done to it is add the Phantom, otherwise its just like I bought it. The barrel under the hand guard is about the diameter of a nickle and the finish has a slight greenish tinge to it. It has NO markings of any kind on it anywhere, not even a twist rate or any little proof stamps. I guess I've kept it around because mounted on a good target lower with a scope, it shoots pencil eraser sized groups at 100yds. Do any of you guys have any idea what it might be? 
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Posted: 9/21/2018 5:52:35 PM EDT
[#1]
I know Olympic Arms used to sell uppers with that handguard
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Posted: 9/21/2018 6:03:46 PM EDT
[#2]
Greenish tint makes me say RRA. Absolutely void of barrel markings of any sort? Anything near the chamber area?
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Posted: 9/21/2018 6:14:38 PM EDT
[#3]
Other than C99 and an R inside a circle on the FSB there isn't a mark of any kind on it.
Barrel or upper. |
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Posted: 9/21/2018 7:24:03 PM EDT
[#4]
Have you checked the butt end of the rear lug for a stamp. There could be an "L" stamp which would indicate it was made by LAR/Grizzly. They manufactured uppers for a number of companies. Does it have the Cerro Forge keyhole forging stamp in front of the rear sight (right side / front of windage adjustment)?
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Posted: 9/21/2018 7:37:12 PM EDT
[#5]
Yeah it has the keyhole.
I thought that was part of the sight when I looked before. Rear lug is unmarked. |
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Posted: 9/21/2018 7:46:54 PM EDT
[#6]
Quoted:
Other than C99 and an R inside a circle on the FSB there isn't a mark of any kind on it. Barrel or upper. Quoted:
Yeah it has the keyhole. I thought that was part of the sight when I looked before. Rear lug is unmarked. |
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Posted: 9/21/2018 8:09:38 PM EDT
[#7]
Quote HistoryQuoted: I know Olympic Arms used to sell uppers with that handguard |
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Posted: 9/21/2018 8:27:52 PM EDT
[#8]
My Olympic OA93 upper has that same, albeit shorter hand guard
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Posted: 9/22/2018 3:51:16 PM EDT
[#9]
Quote HistoryQuoted:
They had a good rep for bbls as well. Quote HistoryQuoted:
Quoted: I know Olympic Arms used to sell uppers with that handguard those handguards were common on the market as well, so it could be one someone put together |
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Posted: 9/22/2018 11:01:25 PM EDT
[#10]
It looks like an early rock river with Wilson barrel I had marked only with 204 on the barrel.
It was a real shooter but I traded it for a nice smith revolver about 10 years ago |
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Posted: 9/24/2018 1:12:07 PM EDT
[#11]
I have that same handguard on my pistol and I know it is an Olympic, because I took it off the original upper which was a Oly
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Posted: 9/25/2018 3:28:59 PM EDT
[#12]
If it's one of ours from that vintage, there should be an alphanumeric code stamped over the chamber. at least one letter and one number, more likely a letter, then a number, then another letter. There's a pinned thread in or industry forum on our barrel markings and how to read them.
Thanks. Steve/RRA |
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Posted: 9/25/2018 7:06:41 PM EDT
[#13]
Quoted:
Greenish tint makes me say RRA. Absolutely void of barrel markings of any sort? Anything near the chamber area? Quoted:
If it's one of ours from that vintage, there should be an alphanumeric code stamped over the chamber. at least one letter and one number, more likely a letter, then a number, then another letter. There's a pinned thread in or industry forum on our barrel markings and how to read them. Thanks. Steve/RRA |
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Posted: 10/11/2018 4:56:59 PM EDT
[#14]
Looks like Olympic Arms to me at a glance.
First thing that came to my mind when I saw it, having lived through all of this. |
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Posted: 11/30/2018 10:43:43 PM EDT
[#15]
M&A parts upper.
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Posted: 12/2/2018 10:30:13 PM EDT
[#16]
Sight base looks forges so probably not Olympic they also have marked the caliber on their barrels or SS for a long time.
If the sight base has straight pins instead of taper pins and a roll pin in the sling swivel instead of the tubular rivet I would guess maybe Model1 sales but I don't remember their barrels being the grey green color. But RRA I think used or uses straight pins in the sight base also and the older barrel I got from them is that color. The forend is kind of generic for the time period. |
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Posted: 12/3/2018 12:50:08 AM EDT
[#17]
Look around the barrel nut area, on the barrel itself. I have some stampings on what I think is an Olympic upper. They are hard to notice at first glance.
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