AR15 Lower Receiver Spring Kits

The R&B Arms 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 both detents.

Package include:
– 1 x Bolt Catch Spring
– 1 x Buffer Retainer Spring
– 1 x Trigger Spring
– 1 x Hammer Spring
– 1 x Disconnector Spring
– 1 x Magazine Catch Spring
– 1 x Selector Spring
– 2 x Detent Spring