This complete California Compliant CMMG Lower Receiver Parts Kit with bullet button magazine catchwill give you everything needed to build stripped lower, or keep your AR functioning in the toughest conditions. All of the parts are made to be the highest quality parts.

Includes:
AR Hammer with J-Pin
Hammer spring
AR safety selector lever
Safety detent
Safety detent spring
Bolt catch
Bolt catch pin
Bolt catch plunger
Bolt catch spring
Magazine catch
Magazine catch spring
Magazine catch bullet button
Magazine catch bullet button sleeve
2 Takedown/pivot pin detents
2 Takedown/pivot pin springs
Pivot pin; takedown pin
AR trigger
Trigger spring
AR disconnector
Disconnector spring
Trigger guard aluminum
Trigger guard spring pin
2 Hammer/trigger pins
Pistol grip
Pistol grip screw
Pistol grip washer
Buffer retainer
Buffer retainer spring