Bolt
is made of steel and has a polished finish. It is comprised of two
separate parts, the front which contains the eight locking lugs near the
face, and the rear part which acts as
a cam during the locking/unlocking stage.
Bolt
face showing the locking lugs.
The bolt is held together by a spring steel clip and within the bolt is the firing pin and spring.
Bolt Stop is located at the rear of the
receiver 
The Extractor is held into the right side
of the bolt by the cocking handle. It is made of machined steel.
The hammer and Mainspring are located
in the butt group. The mainspring telescopes back on itself into the butt.
Butt group showing top of hammer (shiney part) in cocked position and the mainspring can be seen at the in the semi-circular cutout near the extreme left of the photograph.
