01 Grip Frame
02 Slide
03 Hammer
04 Sear
05 Trigger
06 Connector (Trigger Bar)
07 Ejector/Magazine Safety/Slide Lock
08 Left Grip Plate
09 Right Grip Plate
10 Magazine Housing
11 Magazine Baseplate
12 Magazine Follower

13 Barrel
14 Safety Lever
15 Hammer Strut
16 Magazine Release
17 Guide Lever
18 Firing Pin (early type)
19 Extractor
20 Disconnector
21 Takedown Latch
22 Rear Sight
23 Hammer Pin
24 Hammer Strut Pin
25 Trigger Pin

26 Pins for Sear & Magazine Release
27 Extractor & Safety Detent Plungers
28 Hammer Spring
29 Sear Spring
30 Ejector Spring
31 Takedown Latch Spring
32 Trigger Spring
33 Magazine Spring
34 Firing Pin Spring
35 Extractor Spring
36 Recoil Spring
37 Grip Screws