Strike Industries AR-15 Lower Receiver Spring Kit

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Complete The Look

The Strike Industries AR-15 lower Receiver spring replacement kit includes 9 important springs that are commonly replaced or easily lost when building stripped AR-15 lower receivers. The 9-Piece kit includes springs for the bolt catch, disconnector, buffer retainer, trigger, hammer, magazine catch, selector, and two detents.


  • Optional 20 piece gunsmith box also available
  • Replace worn springs
  • Commonly used springs
  • Essential for a gunsmith or AR owner


  • 1 x Bolt Catch Spring
  • 1 x Buffer Retainer Spring
  • 1 x Trigger Spring
  • 1 x Enhanced Hammer Spring (For better trigger pull!)
  • 1 x Disconnector Spring
  • 1 x Magazine Catch Spring
  • 1 x Selector Spring
  • 2 x Detent Spring