My Mini-14 Model 5832 has the 1/2" X 28 tpi (if that matters) and needs a replacement star washer. The flash hider was removed and the star washer was dropped and subsequently found after it had been thoroughly crushed by someone's big ole boot :( Does anyone know what size washer this is and...

I was thinking about putting one of those Choate Flash Hiders on my Mini. You know, the ones that come with the front sight installed. They look nice, and I would prefer a sight like that on my Mini. HOWEVER, I don't really feel like doing any machine work (gotta tap new holes) or re-zero my...