The Parts of an 18th Century Flint Lock.

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A-Upper limb of mainspring

B- Lower limb of mainspring

C- Mainspring retainer hook

D- Tumbler hook of mainspring

E- Cup of tumbler

F- Tail of Hammer

G- Tumbler axle/pivot

H- Hammer

I- Face of Hammer

J- Pan

K- Flash guard

L- Cock

M- Lower Cock jaw

N- Upper Cock jaw

O- Cock screw

P- Bridle

Q- Sear pivot screw 

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http://www.gentlemenoffortune.com/muskets.htm

A- Lock plate

B- Feather of Hammer spring

C- Hammer spring screw

D-Mainspring retainer stud

E- Hammer spring

F- Tail of Hammer

G- Hammer pivot screw

H- Hammer

I-Face of Hammer

J- Pan

K- Flash guard

L- Cock

M- Lower Cock jaw

N- Upper Cock jaw

O- Cock jaw screw

P- Sear spring screw tip

Q- Tail of lock plate

R- Sear pivot screw tip

S- Tumbler screw.