The Strike Industries AR-15 Lower Receiver Spring Replacement Kit (bulk pack) supplies high-volume spares for builds and servicing—20× of each spring type (detents 40×).
- Compatibility: Mil-Spec AR-15; typically fits most AR-10 lower receivers
- Package includes: 20× bolt catch spring; 20× buffer retainer spring; 20× trigger spring; 20× hammer spring; 20× disconnector spring; 20× magazine catch spring; 20× selector spring; 40× detent spring
- Features: replaces worn springs; commonly used set for lower receivers; essential for gunsmiths and high-volume builders
