• Trigger spring
• Hammer spring
• 2 Hammer/trigger pins
• 2 Takedown Pin and Pivot Pin detent springs
• 2 Takedown Pin and Pivot Pin detents
• Disconnector spring
• Safety selector detent
• Safety selector spring
• Bolt catch spring
• Bolt catch plunger
• Buffer retainer spring
• Buffer retainer
• Takedown detent
• Trigger Guard Roll Pin
• Bolt Catch Roll Pin

CMMG Lower Spring and Pin Kit provides all of the essential pin and springs needed to complete an AR-15 Lower Receiver. This kit is convenient for putting together a new rifle, rejuvenating an older gun or just keeping on hand for future AR-15 repairs.