I have both .223 & .556 in Class III.
Do you know the SS’ caliber weapons?
“In photographs of the Secret Service snipers, they appeared to be using long-range and powerful rifles that likely fire .300 or .338 cartridges, commonly used by well-trained military snipers.”
https://www.nytimes.com/2024/07/14/us/politics/secret-service-snipers-trump-rally.html
(I would not rely on NYT for any firearm info)
What Weapons do the Secret Service Use? [2022 Guide]
https://reloadyourgear.com/secret-service-weapons/
Do you know the SS’ caliber weapons?
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I do not know the caliber, but odds are the weapon of choice would be the match grade .308 caliber. There has been some discussion about wind defection of the bullet, I think it was first raised by Eric Prince. I note the big flag behind Trump was blowing to Trump’s rear indicating a southerly wind direction of perhaps 8 to 10 mph. If the round clipping Trump’s ear was defected ever so slightly in that northerly direction it may have played a factor. However, I would only subscribe to this assessment if the round came from a greater distance than from the known shooter’s location, for, example, from the top of the water tower. That tower looks like it is around 300 feet tall at the top of the tank and then you have the distance to the stage so you are talking at least 500 yards.