Strike Industries AR Lower Receiver Parts Kit (Less Trigger Set)

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Complete The Look

The SI AR Enhanced Lower Receiver Parts comes with the basic necessities, that is cast and machined to MILSPEC standards, to complete a lower receiver and is assembled for those who already have an aftermarket trigger group, grip and trigger guard. This kit includes all the basics that you will need to build out your AR (minus grip), but with Strike Industries Enhanced lower parts where applicable.

Note: Magazine catch thread is metric and will not work with California Compliant Bullet Button or other third party mag release buttons*


  • 1 x Pivot Pin
  • 1 x Hex Selector
  • 1 x Bolt Catch Spring
  • 2 x Detent Spring
  • 1 x Bolt Catch Buffer
  • 2 x Take Down Detent
  • 1 x Bolt Catch
  • 1 x Magazine Catch Spring
  • 1 x Bolt Catch Roll Pin
  • 1 x Magazine Catch Button
  • 1 x Magazine Catch
  • 1 x Selector Spring
  • 1 x Selector Detent
  • 1 x Take Down Pin
  • 1 x Buffer Retainer
  • 1 x Buffer Retainer Spring
  • 2 x Trigger Pins
  • 1 x Disconnector Spring
  • 1 x Hammer Spring
  • 1 x Trigger Spring