dave_the_swede
Member
I built my first AR last year and absolutely love it! it's a 300 black out PDW pistol. AR building is like potato chips, you can't stop at just one. Now I'm looking into building a 727 clone, after checking out m16a1/c7 uppers it looks like the peep sights are the same diameter. The problem is the diameter is really small too, and I like the peep sights of the A2 where you have a choice of small precise peep or a larger and easier to see peep. Can an A2 peep fit into an A1 sight assembly or is there a place to buy a large peep that will fit an A1 assembly? thanks in advance, also if someone else has a 727 or 723 build and they want to share photos or sources for parts/information I'd love to see what's out there.