I need to know how to tell if my front sight is legal. I have two 20 mm risers on an anschuts 8002. I see many shooters using very high setups but I do not know the legal limit or how to accurately measure mine. I do however have access to a simple caliper.
With a Centra Duo front sight, I have 28mm of riser blocks on my 2002 which puts me at 58.9mm. If you have 2 20mm blocks on there, you're over the limit by about 10mm.