I didn’t be expecting aero precision high quality at this price issue but I did expect better. The upper isn't in spec as I attempted it on 3 unique lowers and the pin holes don’t line up . There is clearly some thing more affordable – although not necessarily inferior https://manuelxfhfc.free-blogz.com/65218057/the-smart-trick-of-ati-omni-hybrid-223-rem-5-56nato-7-5-30-1-gomx556p4b-that-nobody-is-discussing