For those who care at all, I was bored today and weighed some sights.

Magpul Gen 2:
MBUS (F): 1.19931oz (34g)
MBUS (R): 1.34041oz (38g)

Daniel Defense Fixed Irons:
DD (F): 1.12877oz (32g)
DD (R): 1.7637oz (50g)

Enjoy.

- Dave