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 WarrantyÂ
100% American Made





Alfred DiBartolomeo (verified owner) –
Great product!
Works as described and have ordered multiple sets.
Patrick (verified owner) –
It gets the job done
Came with the springs and pins I needed to build my lower.
Juan Arizpe –
Perfect for my build.
This spring and pin kit fit great on my AR build. My rifle fired like a champ!
Donald Austin –
I love the…
good deal
James –
Great service and…
Parts came in fast and fit true.