Ar15 Lower Parts Starter Kit-black

Trigger Bolt Catch
Trigger Spring Disconnector
Hammer Disconnector Spring
Hammer Spring Magazine Catch Spring
A2 Grip Bolt Catch Roll Pin
Buffer Retainer Pin Magazine Release Button
Buffer Retainer Spring Magazine Catch
Trigger Guard Pivot Pin
Safety Selector 2 Selector Springs
2 Bolt Catch Springs Safety Selector Detent
4 Detent Springs Rear Take Down Pin
Bolt Catch Plunger 4 Takedown Pin Detents

Starter Kits include 4 additional takedown detents and 2 additional takedown springs