Child Groomer, Sexual Predator
59,315 posts
Tiny,
The DDM4 is a version of the M4.
The M4 is a variant of the M16A2.
(go to the DDM4 specifications page)
The M16A2 is based on the AR15 platform.
The AR15s design is Stoner's.
Stoner developed the NATO 5.56 specifically for his assault rifle.
End of story.