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Posted: 10/5/2006 1:42:03 PM EDT
So, does your factory Bushmaster upper receiver (C7/A2/A3) have a forge stamp on it or none at all? Does it have a keyhole (Cerro), a bird head (Cardinal), a broken/splintered A (Anchor-Harvey), an AF (Alcoa Forge), or something else?
Your input is appreciated.  ETA: I was originally asking also how to remove a laser-etched (didn't know it was laser etched at first) RRA mark from my A2 upper receiver. I gave up (didn't want to damage it) and sold it on the EE. |
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Posted: 10/5/2006 2:03:37 PM EDT
[#1]
I dont think RRA marked that in white. That was likely a previous owner
as for Bushmaster upper markings?................... Mine lacks markings of any type (same as my LMT, sans the white laser-etched LMT) |
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Posted: 10/5/2006 2:14:15 PM EDT
[#2]
Cerro
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Posted: 10/5/2006 2:20:32 PM EDT
[#3]
 |
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Posted: 10/5/2006 2:20:49 PM EDT
[#4]
Anchor Harvey
FK |
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Posted: 10/5/2006 2:22:09 PM EDT
[#5]
So, they use Cerro (keyhole), Anchor-Harvey, FK, AND non-marked uppers? Emphasis on the non-marked upper receivers too?
This site (while some of it is no longer accurate, like many others use Anchor-Harvey, not just Oly) has a whole list of upper markings for Bushmasters: www.biggerhammer.net/ar15/uppers/ |
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Posted: 10/5/2006 2:22:36 PM EDT
[#6]
Oh, I see now I imagined the rollmarks on the side of the lower being "whited-in" |
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Posted: 10/5/2006 2:24:19 PM EDT
[#7]
Bushmaster 16" - Cerro
Bushmaster 14.5" M4 - Cerro Colt (6920) - Cerro Colt (6721) - Alcoa Colt (6520) - Anchor Harvey Colt (7.62x39) - Martin Marietta All detachable carry handles (x4 Colt & Bushmaster) - Cardinal |
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Posted: 10/5/2006 2:42:14 PM EDT
[#8]
Regardless of the foundry that does the forging, don't the mfg's own the forging dies?
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Posted: 10/5/2006 3:25:50 PM EDT
[#9]
All 4 of my Buhmasters are marked 2 FK and 2 BK..the K is Kiesler I beleive.
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Posted: 10/5/2006 3:28:45 PM EDT
[#10]
My Bushy is Cerro. My Bushy carry handle is also Cerro (purhchased seperately).
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Posted: 10/5/2006 4:32:33 PM EDT
[#11]
I thought 'K' was Kaiser Aluminum. I have an upper with just a 'K'. It means they make the forging, which is machined and finished by the gun manufacturer or his sub-contractor.
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Posted: 10/5/2006 4:33:31 PM EDT
[#12]
I have seen them (Bushmasters)with several forge codes. They part out most of there stuff.for Mfg. Same as all the big Mfg. After forgeing it goes to the finsher that does the anodizeing and final finsh. In some case they will do lazer engraveing like LMT. Not sure if RRA is lazer engraveed or just stamped with there logo.
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Posted: 10/5/2006 4:51:33 PM EDT
[#13]
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Posted: 10/5/2006 4:55:23 PM EDT
[#14]
My Bushmaster C7 style upper has the splintered “A” forge marking.
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Posted: 10/5/2006 5:09:02 PM EDT
[#15]
In the recent past, I've had factory direct Bushamster uppers with Cerro, Anchor Harvey and no mark at all.
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Posted: 10/5/2006 5:33:18 PM EDT
[#16]
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Posted: 10/7/2006 9:01:04 AM EDT
[#17]
Bushmaster 16in patrolman's -- marked with an "M" above the gas tube hole. |
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Posted: 10/7/2006 10:45:31 AM EDT
[#18]
Naval Jelly maybe I know it takes off Blueing |
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Posted: 10/7/2006 10:46:20 AM EDT
[#19]
Both my BUSHY have the A.H. Markings
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Posted: 10/7/2006 11:11:59 AM EDT
[#20]
My Bushmaster 16" carbine has the AF (Alcoa Forged) code on the upper. It's held up well the last 11 years!
Colt 16" M4- Martain Marietta. Wagsfn |
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Posted: 10/7/2006 11:38:57 AM EDT
[#21]
what exactly does the bird head(cardinal) roll mark look like? i cant figure out what i have?
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Posted: 10/7/2006 12:50:13 PM EDT
[#22]
To cover up the RRA logo id spray flat black over it just a coat should do it.
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Posted: 10/7/2006 1:08:36 PM EDT
[#23]
My bushmaster 20" has the broken A on the flattop upper for Olympic Arms and BK on the carry handle for Bushmaster. There is a crown on the front sight post right by the gas tube pin and I have no idea what that means. Thanks for that link Engineer2001.
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Posted: 10/7/2006 1:14:16 PM EDT
[#24]
Just FYI, the splintered As (Anchor Harvey forgings) are used by many companies, not just Olympic. That info is outdated. |
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Posted: 10/7/2006 3:36:56 PM EDT
[#25]
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Posted: 10/7/2006 4:59:45 PM EDT
[#26]
thanks engineer, thats what my bushmaster upper is stamped with, just didnt know as i didnt think it looked like a bird head? thanks again
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Posted: 10/7/2006 6:27:13 PM EDT
[#27]
I am not sure if you want to go to the trouble. But I usealy Duracoat My bushmaster lowers to match my upper's In Colt gray. That at lest would cover the white RRA. mark. Plus if you do your lower it will match perfectly. They also have Matt black that very similar to the RRA color. I find that the Buhie lowers and Uppers tend to look purple in some lite situations. I bought 10 lowers back in the pre ban day's. Most of my uppers are Colt etc.
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Posted: 10/7/2006 7:22:30 PM EDT
[#28]
Yeah, a cardinal bird has a weirdly-shaped head. Hard to ID unless you know what it is you're looking for. 
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Posted: 10/8/2006 5:05:02 AM EDT
[#29]
My DPMS is a A - Anchor Harvy
My BM is a Y - Yankee Hill ?? The Y is located on the rear take down lug my BM carry handle is a A - Anchor Harvey My Colt SP1 is a C - Colt This is just my uppers |
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Posted: 10/8/2006 3:18:06 PM EDT
[#30]
My Bushmaster A2 is marked C MB in front of the rear sight. Whose code is this?
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Posted: 10/8/2006 3:43:29 PM EDT
[#31]
I've had Cerro and non marked uppers from Bushmaster.
Who forged it does'nt really mean much though.......what matters is who machined and finished it. |
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Posted: 10/8/2006 8:32:04 PM EDT
[#32]
Mueller Brass |
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Posted: 10/8/2006 8:51:30 PM EDT
[#33]
11.5 w/5inch flash Cerro
20 inch Anchor-Harvey |
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Posted: 10/8/2006 9:00:52 PM EDT
[#34]
16'' dissy & 14.5'' m4 both cerro.
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Posted: 10/8/2006 10:26:59 PM EDT
[#35]
cerro
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Posted: 10/19/2006 8:03:47 PM EDT
[#36]
Cerro on my M4A3
Cardinal on my Superlight |
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Posted: 12/29/2006 5:58:57 AM EDT
[#37]
bump
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Posted: 12/29/2006 8:48:30 AM EDT
[#38]
One Bushmaster upper has no markings and the other has a keyhole. A Bushmaster carry handle has the Cardinal forge mark.
~Russ |
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Posted: 1/7/2007 1:50:12 PM EDT
[#39]
Mine says EK which I guess means it came from EMCO/Kaiser. You learn something new every day.
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Posted: 1/7/2007 1:53:57 PM EDT
[#40]
Ban-era M4 has a Cerro forged upper. :)
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Posted: 1/7/2007 3:38:15 PM EDT
[#41]
4 Cerros, 1 unmarked.
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Posted: 1/7/2007 4:33:37 PM EDT
[#42]
Can someone tell me what this is? this carrying handle came whith my bushy when i bought it?
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Posted: 1/7/2007 4:36:43 PM EDT
[#43]
My Bushy A3: Anchor Harvey
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Posted: 1/7/2007 7:29:33 PM EDT
[#44]
Wow - a square forge mark. That's a new one on me. Anybody know what that one is? |
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Posted: 1/7/2007 8:32:11 PM EDT
[#45]
20"-A2 is a Anchor-Harvey 14.5"-A2 is a Cerro |
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Posted: 1/7/2007 8:54:47 PM EDT
[#46]
Bushmaster patrolman's carbine A3.
Upper: Anchor Harvey Lower: LAR Carrying handle: Cardinal |
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Posted: 1/8/2007 1:56:33 AM EDT
[#47]
One is Cerro, the other has no markings.
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Posted: 1/8/2007 7:07:14 AM EDT
[#48]
+1 |
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Posted: 1/8/2007 8:42:12 AM EDT
[#49]
16" Bushie M4 A2 bought as a complete rifle. Cerro marked upper.
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Posted: 1/8/2007 1:30:22 PM EDT
[#50]
My Bushie M4A3:
Upper: Cerro Lower: Unmarked Carry Handle: Cardinal |
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