Quoted:


I can pick out some of the obvious differences, but is there a comparison chart that spells it out for me? (i.e Features, Cross sections, Mounting, and Material)



So far, I think, these are the options to choose between...



Mk1

Mk2

Mk2 Rev B

Mk3

Mk4

Mk4 Keymod

Mk4 Half-Keymod (ETA: Courtesy of RXM)