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  #1  
Old 04-21-2017, 07:44 PM
old sagarand old sagarand is offline
 
Join Date: Dec 2009
Posts: 878
Question Single Slot Screw?

My photography skills aren't the best but thought I'd see what folks more knowledgeable than me think about this screw.
http://imgur.com/gallery/LXlGC


I thought the slot was made by drilling out the metal, 2 smaller holes on the side than a bigger one for the middle. If that's the case I'd expect to see a concave dimple shape toward the middle where the point of the drill bit went down and the base of the bottom hole is flat except a small raised circle in the middle. It doesn't look like the picture I found at ammogarand.com
http://www.ammogarand.com/m1-garand-...screw-no1.html

There is a small dimples from a drilling instrument on each side of the center hole. The base (the part that comes in contact with gas in the gas cylinder) has vertical striations were it was ground. The face (the part with the slot) is smooth as the proverbial babies behind. There are no machine marks I can see oar feel, and I'd think there would be some when engaged in total war. All my other gas screws (all are the later version) have machine markings on the face. So what do you guys think? Thanks for your insights!

Last edited by old sagarand; 04-22-2017 at 06:43 AM.
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  #2  
Old 04-28-2017, 11:01 AM
Det. Jason 714 Det. Jason 714 is offline
 
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Here is a side view of SA, WRA and repro. Thought I had one of the top. Will keep looking. Yours looks legit.
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Old 04-28-2017, 11:03 AM
Det. Jason 714 Det. Jason 714 is offline
 
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Here is a WRA (L) and An SA (R)

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Old 04-28-2017, 02:52 PM
old sagarand old sagarand is offline
 
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Thanks for your input. I need to get a side view picture posted. It was advertised as a SA but from the side it looks like the WRA in your picture. What about how it compares to the picture from ammo garand?
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  #5  
Old 04-29-2017, 11:10 AM
Det. Jason 714 Det. Jason 714 is offline
 
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WRA "normally" has concentric circles on the face of it.
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