Just curious. Why did you mate a fixed rear sight to the flip down YHM front sight/gas block?
A friend of mine bought a RRA earlier this year. I was really surprised, the quality has improved significantly from the commercial grade RRA carbine I owned several years ago.
Hk USP 45 Expert, USP 40, USP 9, SIG P226, S&W M&P9, Hk 4, Makarov, Desert Eagle 40, Beretta FS92 Centurion, Kimber TLEII 1911A1, Glock 22, SIG P225, 1943 Rem Rand 1911A1, S&W mod 64, Walther PPQ, SIG P229, Browning BDA 45 (SIG P220), Hk45, SIG P230