Just bought an upper receiver set that came with these mounted. sights have only been on the set for about 50 rounds. I have swapped them out with MBUS folding and these are for sale now. $100 shipped for the pair of them. These are both black and Ill post pics in a minute.
https://troyind.com/products/fixed-rear-sight-blk
https://danieldefense.com/components-parts/sights/rail-mounted-fixed-front-sight.html
