I got some Troy industries iron sights a while back. Finally took the time to dial them in while out at the lease this weekend. https://troyind.com/products/micro-set-hk-front-and-round-rear-blk
Setup a target at 100Y, took me a bit to find the paper, but once I did I managed to get it zeroed fairly quickly.
Adjustments were made after shots 1 and 2. I finished the magazine with shots 3-6 figuring it would be close enough for iron sights at 100Y. I was pleasantly surprised with the three holes in the red. Surely some luck was involved.
Overall Iím pretty happy with the sights. I think the picatinny clamp could be better, but it seems to work.