Last parts is the serial number . I have the green circle dot version HE507C-GR X2 on a m&p compact sku: 13144 I like the sight a lot .
IF you take a hard look at most everything you own you will more than likely 50% is made in china then theres the next majority percentage made in the other asian countries from india back to china and still a percentage made in central america .
Holosun makes a good dot optic and fills my needs well . Who here has red / green color blind family or friends ?? Holosun has a battery powdered yellow reflex dot optic they can see well . The yellow trijicon tritum / fiber rmr has to many limiting factors to be useful on a defensive firearm All of my optics today are ether older made in japan or new chinese or a assembly of parts from south korea , japan and china also assembled in china and varified that it meets the american Vet owned design spec here ! Find a shortage in cars or trucks today . Thats a Taiwan problem as most chips are made there .
Carhartt products we have bought lately were a couple delmont T shirts made in Guatemala and the carhartt pants came from Nicaragua .
I have the Holosun HE407C-GR-X2 that is going on a Glock 23 Gen 5 MOS. Just waiting on Glock Inc to make it. it was keyed into their system almost 3 weeks ago. there is a 90 - 120 day time frame to manufacture the gun before it's sent to my FFL. I have a 507C- X2 on my M&P 9 M2.0 compact. It works very well.
I too have a 507C, made by Communists, on a G-17 slide, wife likes reticle and solar feature. I conducted a scientific test to ensure there was no "Commie Blackout" feature on the sight, I pointed the gun at the head of state for Commieland, when he was on TV, the sight did not go blank. So, you can buy with confidence even though it is made in Commieland. (Paid for by the "Joe Biden does no wrong" PAC)