Aero Precision AR15/AR10 Fix-It-Kit
$12 plus local tax.

All parts in the Fix-It kit are compatible with AR15, M4E1 and M5 builds

Includes:

  • Takedown Pin Detent (4)
  • Takedown Pin Spring (4)
  • Bolt Catch Roll Pin (2)
  • Trigger/Hammer Pin (2)
  • Safety Selector Spring (2)
  • Safety Selector Detent (2)
  • Buffer Retainer (2)
  • Buffer Retainer Spring (2)
  • Disconnector Spring (2)
  • 4-40 Set Screw (for threaded takedown pin detent hole) (2)
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https://www.armslist.com/store/4971