AR-15 AR15 AR Rifle Upper And Lower Receiver Replacement Parts Complete 13 Piece Set Spring Kit Combo

AR-15 lower and upper receiver spring replacement kit includes 13 important springs that are commonly replaced or easily lost when building stripped AR-15 lower and upper receivers. The 9-Piece lower kit includes springs for the bolt catch, disconnector, buffer retainer, trigger, hammer, magazine catch, selector, and two detents.The 4-piece upper kit includes an ejector spring, forwar More »