Title 18 USC 922(r) Compliance Parts that relate to SKS(s)
  1. Receiver
  2. Barrel
  3. Bolt
  4. Bolt carrier
  5. Gas piston
  6. Trigger housing
  7. Trigger
  8. Hammer
  9. Sear
  10. Disconnector (see below)
  11. Stock
  12. Handguard
  13. Magazine body
  14. Follower
Title 18 USC 922(r) Compliance Parts
  1. Frames, receivers, receiver castings, forgings or stampings
  2. Barrels
  3. Barrel extensions
  4. Mounting blocks (trunnions)
  5. Muzzle attachments
  6. Bolts
  7. Bolt carriers
  8. Operating rods
  9. Gas pistons
  10. Trigger housings
  11. Triggers
  12. Hammers
  13. Sears
  14. Disconnectors
  15. Buttstocks
  16. Pistol grips
  17. Forearms, handguards
  18. Magazine bodies
  19. Followers
  20. Floorplates