1 Barrel
2 Forearm
3 Forearm Screw
4 Grip, Left
5 Grip, Right
6 Grip Medallion
7 Grip Screw
8 Sear
9 Sear Pin
10 Sear Screw Stop Pin
11 Sear Spring Adjusting Screw
12 Sear Spring Pin
13 Sear Spring
14 Sight Basa Screw Front
15 Sight Base Retaining Pin
16 Sight Base Screw Rear
17 Sight Base
18 Sight Blade
19 Sight Elevation Screw
20 Sight Elevation Spring
21 Sight Hood, Front
22 Sight Hood, Rear
23 Sight Post Front
24 Sight Post Lock Screw
25 Sight Windage Screw Retainer
26 Sight Windage Screw
27 TriggerAdjustable
28 Trigger Limit Screw
Parts Not Shown
(See Challenger I and li)
Barrel Błock
Barrel Mounting Screw
Disconnector Assembly
Ejector
Extractor
Extractor Spring
Extractor Spring Plunger
Firing Pin
Firing Pin Retaining Pin
Hammer
Hammer Unk
Hammer Link Pin Hammer Pin Magazine Body Magazine Button Magazine Ejector Magazine Ejector Spring Magazine Follower Magazine Latch Magazine Latch Pin and TriggerPin
Magazine Latch Spring
Mainspring
Mainspring Plunger
Recoil Spring
Recoil Spring Guide
Recoil Spring Guide Rod
Safety Assembly with Thumb-Piece
Safety Ciick Platę
Stop Open Latch
Stop Open Latch Spring