Owner's Manual

56 57
6. Malfunctioning
extractor.
7. Improper gas block
setting causing the
bolt to short stroke.
8. Worn extractor or
extractor spring.
Clean extractor (see pages
43-45). Verify proper
extractor for installed
conversion kit.
Rotate gas block to the
proper position for shooting
conditions.
Replace extractor or
extractor spring.
Malfunction Remedial Action
PARTS EXPLODED VIEW
MDR Main Rie Assembly
1
2
3 5
5
6 74
8
26
10
9
12
11
13
14
15
16
17
19
23
25
24
18
20
21
21
22
11. Lower Receiver
2. Barrel
1. Flash Hider
7. Upper Receiver
8. Ejection Panel
24. Middle Takedown Pin
22. Front Takedown Pin
21. Handguard Screws
(Right and Left Side)
25. Rear Takedown Pin
26. Chute Panel
23. Trigger
5. Charging Handle
(Right and Left Side)
17. Pistol Grip
3. Handguard
15. Barrel Retention Screws (2)
16. Barrel Lock Screw
20. Handguard Retention Pin
13. Magazine Well
18. Safety Selector Switch (Right and Left)
14. Rear Magazine Release
19. Forward Magazine Release
12. Bolt Catch/Release
9. Cheekrest
10. Recoil Pad
4. Gas Block
6. Picatinny Rail
18
TROUBLESHOOT
PARTS