The TacFire AR-15 Parts Kit contains one of each :

• A2 Pistol Grip Pistol Grip Screw
• Pistol Grip Lock Washer
• Trigger Trigger Pin Trigger Spring
• Flat Trigger Guard
• Hammer Hammer Spring Hammer Pin
• Bolt Catch Roll Pin Bolt Catch Spring
• Detent Spring Bolt Catch Plunger Take Down Detent Bolt Catch
• Front Pivot Pin
• Detent Selector
• Take Down Pin Buffer Retainer Pin Buffer Retainer Spring
• Disconnector Spring Disconnector Selector and Selector Spring
• Weight: 7.70 oz