A-   or 1.   Barrel
E-1  or 1'   Front sight
B-   or 1"   Receiver or barrel extension
C-1  or 2.   Breechblock
C-8  or 3.   Forward link of toggle joint
C-9  or 4.   Rear link of toggle joint
C-14 or 4'   Coupling link for recoil spring
C-15 or 4"   Coupling link for recoil spring pin
C-10 or 5.   Connecting pin between breechblock and forward link
C-ll or 6.   Connecting pin between forward and rear link
C-12 or 7.   Connecting pin between rear link and receiver
C-13 or 8.   Connecting pin between forward and rear link retaining 
             pin  or rivet
C-l9 or 11.  Recoil spring
C-18 or 11'  Recoil spring lever bar
C-16 or 11"  Recoil spring lever
C-17 or 11"' Recoil spring lever pin
C-2  or 12.  Firing pin
C-3  or 13.  Firing pin spring
C-4  or 14.  Breechblock end piece
C-5  or 15.  Extract or
C-6  or 15'  Extract or spring
C-7  or 15"  Extract or pin or rivet
B-1  or 16.  Eject or
D-1  or 17.  Frame
        17'  Sling swivel or lanyard loop (made with frame)
        17"  Breechblock catch link pin or rivet
F-5  or 18.  Trigger bar or sear
F-7  or 18'  Trigger bar or sear spring stud
F-6  or 18"  Trigger bar or sear spring stud spring
F-8  or 18"' Trigger bar or sear pin or rivet
F-9  or 19.  Trigger bar or sear spring
F-1  or 20   Trigger
F-2  or 20'  Trigger spring
D-9  or 21.  Trigger plate, trigger cover plate or side plate
F-3  or 22.  Trigger lever
F-4  or 23.  Trigger lever pin
D-10 or 24.  Locking bolt
D-11 or 25.  Locking bolt spring
D-2  or 26.  Breechblock catch link or holdopen
D-3  or 26'  Breechblock catch link or holdopen spring
D-7  or 27.  Magazine holder catch
D-8  or 28.  Magazine holder catch spring
C-2  or 29.  Safety sear
G-1  or 31.  Safety catch or thumb safety lever
G-3  or 32.  Safety catch or thumb safety lever pin
D-4
D-5  or 33.  Grips (left and right) (D-4 is right, D-5 is left side)
D-6  or 34.  Grip screws (left and right)
H-   or 35.  Magazine
H-1  or 35a. Magazine frame
H-3  or 35b. Magazine cartridge feeder or follower spring
H-2  or 35c. Magazine cartridge feeder or follower
H-4  or 35d. Magazine cartridge feeder or follower pressure knob
        35e. Magazine cartridge feeder or follower guide knob.
H-5  or 35f. Magazine bottom piece
H-6  or 35g. Magazine connecting pin