Strike ARLRSK Lower Receiver Spring Kit AR-15/M4 Black AR-Platform

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Strike Industries ARLRSK Lower Receiver Spring Kit AR-15/M4 Black AR-Platform

The Strike Industries m?4AR-15 lower Receiver spring replacement kit includes 9 important springs that are commonly replaced or easily lost when building stripped lower receivers. The 9-Piece kit includes springs for the bolt catch, disconnector spring, buffer retainer spring, trigger spring, hammer spring, magazine catch spring, selector spring and two detent springs.