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.
- Finish:
- Black
- Type:
- Spring Kit
- FireArm:
- No
- Model:
- Lower Receiver Spring Kit
- Material:
- Various
- Requires FFL:
- False
- Series Description:
- Lower Receiver Spring Kit