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Posted: 3/25/2024 4:41:43 PM EDT
I attach here some pics of my recently aquired matech buis (brownells) compared to a old matech buis i bought from ebay some years ago (realistiche price, selleria with very good revews). The newer buis is so different i am now doubting the old one is the real deal. Main differences are the fact that the sight aperture is wider in the newer one and the screws and spring are different.
Second question: what about the KAC quadrail? Did it change during the years or it is still the same? There are differences between the civilian one and the military adopted one? Thanks!!     
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Posted: 3/25/2024 7:58:20 PM EDT
[#1]
What are the markings on bottom of the MaTech marked with the Picitinny gates logo?
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Posted: 3/25/2024 10:09:46 PM EDT
[#2]
Pretty sure they are both legit. Here a dozen or so years ago Matech started laser engraving Picatinny Arsenal's gates on them. I never saw those ones on a Gov weapon, but I retired in 2012, so maybe they came around after I was gone.
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ITA
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Posted: 3/26/2024 5:48:12 AM EDT
[#3]
Quote HistoryOriginally Posted By TGWLDR: What are the markings on bottom of the MaTech marked with the Picitinny gates logo? 8gu83 |
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Posted: 3/26/2024 6:45:36 AM EDT
[Last Edit: TGWLDR]
[#4]
Quote HistoryOriginally Posted By ssimo: 8gu83 I haven't seen that CAGE marking. (8GU83 / EQUALITY OHIO EDUCATION FUND) I've only found the Picitinny marked on commercial guns. The 2 CAGE markings that I've found on issued MaTechs are: OGU83 / manufactured by Matech 3DB52 / manufactured by Design West Technologies. Post a pic? Edit: Matech example:  Attached File |
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ITA
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Posted: 3/26/2024 8:23:16 AM EDT
[#5]
Quote HistoryOriginally Posted By TGWLDR: I haven't seen that CAGE marking. (8GU83 / EQUALITY OHIO EDUCATION FUND) I've only found the Picitinny marked on commercial guns. The 2 CAGE markings that I've found on issued MaTechs are: OGU83 / manufactured by Matech 3DB52 / manufactured by Design West Technologies. Post a pic? Edit: Matech example: https://www.ar15.com/media/mediaFiles/416992/Screenshot_20211128-173055_Gallery_jpg-2-3169740.JPG Exactly, 8gu83. That said, i am not concerned about the authenticity of the picatinny marked one, I ordered it from brownells, i am concerned about the one mounted on the rifle in the pics |
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NJ, USA
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Posted: 3/26/2024 10:36:51 AM EDT
[#6]
The only reason why I'd doubt that it was fake is because bootlegging a MaTech is like bootlegging Geo Metro.
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Posted: 3/26/2024 10:40:28 AM EDT
[#7]
Quote HistoryOriginally Posted By deadmau5er: The only reason why I'd doubt that it was fake is because bootlegging a MaTech is like bootlegging Geo Metro. https://airsoft.tiger111hk.com/product_info.php?products_id=4050&language=en¤cy=RUB&languag= |
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Posted: 3/26/2024 10:41:21 AM EDT
[Last Edit: TGWLDR]
[#8]
Quote HistoryOriginally Posted By ssimo: Exactly, 8gu83. That said, i am not concerned about the authenticity of the picatinny marked one, I ordered it from brownells, i am concerned about the one mounted on the rifle in the pics What's the older one marked with? No pics of said RAS so hard to guess. But yes, there were changes. |
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NJ, USA
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Posted: 3/26/2024 11:09:41 AM EDT
[Last Edit: deadmau5er]
[#9]
Quote HistoryOriginally Posted By TGWLDR: https://airsoft.tiger111hk.com/product_info.php?products_id=4050&language=en¤cy=RUB&languag= I retract my statement. Forgot about airsoft. |
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ITA
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Posted: 3/26/2024 2:01:34 PM EDT
[#10]
Quote HistoryOriginally Posted By TGWLDR: What's the older one marked with? No pics of said RAS so hard to guess. But yes, there were changes. Thanks! As soon as i get home, i will check! I tried to not un'install it to avoid having to reloctite it. Which kind of changes are you aware of about the KAC RAS in the last 10 years or so? |
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ITA
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Posted: 3/26/2024 2:02:22 PM EDT
[#11]
Quote HistoryOriginally Posted By deadmau5er: The only reason why I'd doubt that it was fake is because bootlegging a MaTech is like bootlegging Geo Metro. Why this would be the "only" reason? Does it seem fake to you? |
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NJ, USA
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Posted: 3/26/2024 2:06:29 PM EDT
[#12]
Quote HistoryOriginally Posted By ssimo: Why this would be the "only" reason? Does it seem fake to you? I just figured they'd make more money from duping KACs or something but TGWLDR is right. I couldn't tell you, I only had 2 and I don't see anything suspicious about yours but I'm far from an expert on IDing legit MaTechs. I can take some pics of mine later. |
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Posted: 3/26/2024 2:42:07 PM EDT
[#13]
Quote HistoryOriginally Posted By ssimo: Thanks! As soon as i get home, i will check! I tried to not un'install it to avoid having to reloctite it. Which kind of changes are you aware of about the KAC RAS in the last 10 years or so? Quote HistoryOriginally Posted By ssimo: Originally Posted By TGWLDR: What's the older one marked with? No pics of said RAS so hard to guess. But yes, there were changes. Thanks! As soon as i get home, i will check! I tried to not un'install it to avoid having to reloctite it. Which kind of changes are you aware of about the KAC RAS in the last 10 years or so? I don't recall if they fall inside the 10 year window, but interior markings and top screw type. (Hex vs slotted). |
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ITA
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Posted: 3/26/2024 6:07:21 PM EDT
[Last Edit: ssimo]
[#14]
Quote HistoryOriginally Posted By TGWLDR: What's the older one marked with? No pics of said RAS so hard to guess. But yes, there were changes. Thanks for the answers man. I can't tell you what the markings are below the mounted matech buis cause I embarassingly lost my collection of american size hexkeys so i am unable to uninstall it rn! But i am sure it had a number underneath, what is your opinion based on the informations you have now? Here is the KAC RAS, so is this the current production model i can find on brownells or it had some modifications?  @TGWLDR |
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Posted: 3/26/2024 7:22:35 PM EDT
[#15]
Quote HistoryOriginally Posted By ssimo: Thanks for the answers man. I can't tell you what the markings are below the mounted matech buis cause I embarassingly lost my collection of american size hexkeys so i am unable to uninstall it rn! But i am sure it had a number underneath, what is your opinion based on the informations you have now? Here is the KAC RAS, so is this the current production model i can find on brownells or it had some modifications? https://i.imgur.com/yRvKxrd.jpeg @TGWLDR Patent # checks out, what little is visible appears legit. |
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ITA
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Posted: 3/26/2024 8:08:40 PM EDT
[#16]
Quote HistoryOriginally Posted By TGWLDR: Patent # checks out, what little is visible appears legit. Yes i know the ras is legit, I was just wondering if there were changes from this model to the current ones. And so also the buis seems to be legit? Aperture size changed during the years or between the military and the civilian model? |
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Posted: 3/26/2024 8:40:14 PM EDT
[#17]
Quote HistoryOriginally Posted By ssimo: Yes i know the ras is legit, I was just wondering if there were changes from this model to the current ones. Covered in post #13 above. And so also the buis seems to be legit? Aperture size changed during the years or between the military and the civilian model? Out of 8 or 10 that I own/have owned, all aperature openings have been the same diameter,I have only owned 1 Picitinny marked version. |
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ITA
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Posted: 3/26/2024 8:42:59 PM EDT
[Last Edit: ssimo]
[#18]
Quote HistoryOriginally Posted By TGWLDR: Mhh that's weird, I will write to matech, let's see if i can contact them Man, even if you were basically the only one replying you have been very useful, thanks |
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Posted: 4/7/2024 8:05:03 AM EDT
[Last Edit: Combat_Diver]
[#19]
Here's the other contracted BUIS from 3DB52 /manufactured by Design West Technologies.
 Attached File Attached File |
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Posted: 4/7/2024 8:41:39 AM EDT
[Last Edit: Combat_Diver]
[#20]
This got me checking what I have on hand on shelf and on 2 uppers in shop. @TGWLDR
2 ea OGU83 MaTech (1 NIW) 2 ea 3DB52 DWT 4ea NIB (2022) Box is marked OGU83 but inside bag is a third contractor 5WRH4-JBL Systems Solutions, LLC  Attached File Attached File Attached File |
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Posted: 4/7/2024 8:43:49 AM EDT
[#21]
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Posted: 4/7/2024 8:45:24 AM EDT
[#22]
If it breaks when you tighten it and the sight pops up under recoil, it’s real.
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Posted: 4/7/2024 8:25:36 PM EDT
[#23]
Quote HistoryOriginally Posted By Combat_Diver: This got me checking what I have on hand on shelf and on 2 uppers in shop. @TGWLDR 2 ea OGU83 MaTech (1 NIW) 2 ea 3DB52 DWT 4ea NIB (2022) Box is marked OGU83 but inside bag is a third contractor 5WRH4-JBL Systems Solutions, LLC https://www.ar15.com/media/mediaFiles/32677/IMG_9186_jpeg-3180826.JPG https://www.ar15.com/media/mediaFiles/32677/IMG_9185_jpeg-3180827.JPG https://www.ar15.com/media/mediaFiles/32677/IMG_9188_jpeg-3180832.JPG Thank you sir. |
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Posted: 4/8/2024 11:42:29 PM EDT
[#24]
Quote HistoryOriginally Posted By FedDC: If it breaks when you tighten it and the sight pops up under recoil, it’s real. There are 'fixes' for those issues. But, easier to get a different BUIS. |
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Posted: 4/9/2024 12:31:53 AM EDT
[#25]
One on the left looks too short to be a poptech.
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Posted: 4/13/2024 8:22:18 AM EDT
[#26]
Quote HistoryOriginally Posted By ssimo: Exactly, 8gu83. That said, i am not concerned about the authenticity of the picatinny marked one, I ordered it from brownells, i am concerned about the one mounted on the rifle in the pics OP - by any chance is the first ‘8’ actually a ‘0’ on the cage code for the Brownell’s purchased sight? Have you removed the sight mounted on the rifle to check its cage code? Photos of the bottom of both would be helpful. |
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