AR MAGLOCK AR-15 (.223 / 5.56) – KINGPIN

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AR MAGLOCK AR-15 (.223 / 5.56) – KingPin


The KingPin allows for minimal separation (action disassembly) of the upper and lower receivers. The new KingPin holds the upper receiver from flying open when disassembling the action.  Just a simple push on the pin with your thumb opens the action for mag changes, then automatically re-locks when you push the receivers together.



  • AR MAGLOCK KingPin for Gen 2 & Gen 4 AR MAGLOCK systems on AR-15 .223 / 5.56 platforms
  • For Gen 1 and Gen 3 locking kits please use the Hyperswitch pin solution
  • AR MAGLOCK products are 100% California legal and DOJ compliant, guaranteed
  • Keeping your critically important bolt catch
  • Seamless double feed clearing
  • Bolt hold back on last round
  • Fast magazine changes (as fast as OEM mag release button)
  • Clear access to your safety selector
  • Easy removal from the receiver to fully open the action

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