The AR-STONER Complete Lower Receiver Parts Kit for the AR-15 platform is the perfect choice if you are looking to build your next AR-15. This kit includes all the standard mil-spec parts used in an AR-15 lower receiver to ensure smooth and reliable operation. The AR-STONER complete lower parts kits offers an economical way to build a complete lower, less a stock assembly of your choice and a stripped lower receiver.

Kit Includes:

• Bolt Catch
• Bolt Catch Plunger
• Bolt Catch Roll Pin
• Bolt Catch Spring
• Buffer Retainer
• Buffer Retainer Spring
• Disconnector
• Disconnector Spring
• Hammer
• Hammer Pin
• Hammer Spring
• Magazine Catch
• Magazine Catch Button
• Magazine Catch Spring
• A2 Pistol Grip
• Pistol Grip Lock Washer
• Pistol Grip Screw
• Pivot Pin
• Pivot Pin Detent
• Pivot Pin Detent Spring
• Selector
• Selector Detent
• Selector Detent Spring
• Takedown Pin
• Takedown Pin Detent
• Takedown Pin Detent Spring
• Trigger
• Trigger Guard
• Trigger Guard Roll Pin
• Trigger Pin
• Trigger Spring

Note: If you experience problems with the j clip inside the hammer, the clip can be pushed in using punch or other device to relieve tension on the spring while installing the hammer pin.