ak replacement sights?

[motogunner356]

so im looking to replace the stock irons on my ak. im looking at the tech sights which mount to the rear of the receiver but i also found that i can use HK type sights. Anyone use these? do they interfere with using a side scope mount?

[Bedpan Bandit]

Haven't tried the techsights, but the Krebs sights are awesome...