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M4 AR-15 Lower Receiver Spring Kit

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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.

COMPATIBILITY: Mil-Spec AR-15 and typically most AR-10 lower receivers

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