20-piece Lower Parts Kit with standard trigger pins and standard safety.

  • Safety detent pin
  • Safety detent spring
  • Mag catch
  • Mag catch spring
  • Mag release button
  • Bolt catch
  • Bolt catch spring
  • Bolt catch plunger
  • Bolt catch roll pin
  • Pivot pin
  • Takedown pin
  • Pivot/takedown spring (2 pcs)
  • Pivot/takedown detent (2 pcs)
  • Buffer retention pin
  • Buffer retention spring
  • Standard trigger pins (2 pcs)
  • Standard safety selector
  • Does not include fire control group, grip, or trigger guard