Strike Industries M4 AR-15 Lower Receiver Spring Kit

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.

Package include:

• 1 Bolt Catch Spring
• 1 Buffer Retainer Spring
• 1 Trigger Spring
• 1 Hammer Spring
• 1 Disconnector Spring
• 1 Magazine Catch Spring
• 1 Selector Spring
• 2 Detent Spring