Dirty Bird AR-15 Lower Receiver Pin and Spring Kit

Dirty Bird AR-15 Lower Receiver Pin and Spring Kit Dirty Bird Industries' pin and spring kits are everything builders need and nothing they don't. The most minimal of lower parts kits, this kit allows builders to select their controls (bolt catch, mag catch assembly, and safety selector), trigger group, trigger guard, and grip. As a bonus, this kit includes an extra pivot/takedown pin detent and spring. Includes Trigger / Hammer Pins (x2) Takedown Pin Pivot Pin Takedown / Pivot Pin Springs (x3) Takedown / Pivot Pin Detents (x3) Safety Selector Detent Safety Selector Detent Spring Magazine Catch Spring Trigger Guard Roll Pin Bolt Catch Detent Bolt Catch Detent Spring Bolt Catch Roll Pin Buffer Retainer / Detent Buffer Retainer / Detent Spring Backed by Dirty Bird Industries' Limited Lifetime Warranty 100% American Made