Geissele's Standard Lower Parts Kit includes all the internal parts necessary to complete or rebuild your lower receiver and grip. This quality mil-spec kit features an improved safety detent and Geissele's specially designed Posi-Lock safety, which provides the end user a satisfying and positive tactile feedback when engaging the safe or fire position.

This Kit Includes:

• Takedown Pin & Pivot Pin Detents (2)
• Takedown Pin & Pivot Pin Springs (2)
• Takedown Pivot Pin
• Bolt Catch Plunger
• Bolt Catch Spring
• Bolt Catch Coiled Pin
• Bolt Catch
• Safety Detent
• Buffer Retainer
• Buffer Retainer Spring
• Safety Detent Spring
• Takedown Pin
• Magazine Release Button
• Magazine Release Spring
• Geissele Posi-Lock Safety
• Magazine Catch
• Coiled Trigger Guard Pin
• Mil-Spec Trigger Guard
• Grip Screw
• Grip Screw Washer
• Grip
• Hex Key