Head: Unknown G.I. Joe ball neck post
Upper Arms: New Sculpt Doctor Mindbender sanded down
Lower Arms: Unknown Joe elbow slots & Doctor Mindbender elbow hinge joints
Torso: New Sculpt Beach Head sanded down
Waist: Unknown Joe waist that was sanded down and refitted with sculpey and glue.
Upper Legs: Target stores 1:18th scale Joe like figures
Lower Legs: New Sculpt Doctor Mindbender

All parts were crudely "mastered" in metal form, combined with Joe parts and then recasted in lighter material.

The Legion Astartes form the unyielding fist of the Emperor, brutally crushing all who threaten his vast realm. They are the Space Marines, and there are few warriors in the galaxy that can match them.

Through a torturous regimen of organ replacement, genetic modification, psychochemical conditioning, and rigorous physical training that would kill a normal human, a Space Marine becomes superhuman. He can fight without sleep or food for weeks. He can digest poisons. He can breathe toxic gases. He can heal from grievous injury.

The process that makes them superhuman also enables a Space Marine to wear his trademark power armor - a suit of ceramite that protects him from many weapons.

Ultimately, however, the true power of a Space Marine lies in his unwavering faith in the Emperor. He is the divine master of mankind, chosen by the gods and worshipped for 100 centuries while he sits entombed in the Golden Throne. The Space Marines consider themselves particularly blessed because part of the gene-seed embedded in their enhanced bodies is from the Emperor's flesh. They truly are the physical manifestation of his will.