AR-15 Lower Receiver Chapter 1-7 Buffer Tube and Take Down Pin

Guide for AR-15 Maintenance.

Lower Receiver:
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1-1 Magazine Catch

1-2 Bolt Catch

1-3 Pivot Pin

1-4 Safety Selector and Pistol Grip

1-5 Trigger and Hammer

1-6 Trigger Guard

1-7 Buffer Tube and Take Down Pin

1-8 Lubrication and Testing

Upper Receiver:
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2-1 Ejection Port Cover

2-2 Forward Assist

2-3 Barrel, Gas Block, and Handguard

2-4 Flash Suppressor

2-5 Bolt Carrier Group

2-6 Charging Handle

2-7 Lubrication and Testing

2-8 Headspace Check

Testing:
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3 Live Fire Testing

Tools
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1. Vise
2. AR-15 Lower Receiver Vise Block
3. Small Hammer
4. Set of Roll Pin Punches
5. Screwdriver
6. AR-15 Barrel Wrench
7. Set of Allen Wrenches (ie Hex Wrenches)
8. Gun Oil
9. Pivot Pin Installation Tool
10. Torque Wrench
11. Razor Blade
12. AR-15 Upper Receiver Vise Block
13. Snap Ring Pliers (Not covered in video. Only needed for certain types of handguards.)
14. 5.56 NATO / .223 Headspace Gauge
15. Clamp or Vise with rubber guards (for headspace checking)

Optional Tools (not required, but they make the job easier):
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16. Drill (if you desire to dimple barrel)
17. Blue Loctite
18. Dummy Cartridge
19. Brush and Rag for Cleaning
20. Needle Nose Pliers
21. Empty 5.56/.223 Shell Casing
22. Torque Screwdriver
23. Air Compressor
24. Pencil
25. Center Punch (if you desire to dimple castle nut)
26. Tape
27. Wood Block
28. Rubber Mallet