The M&P AR-15 Rifle Customizable Lower Parts Kit is the perfect choice if you want to build a custom AR-15. This kit provides all the minor parts generally used in an AR-15 build but allows the flexibility to add popular common aftermarket upgrades.

Kit Includes:

• Bolt Catch
• Bolt Catch Plunger
• Bolt Catch Roll Pin
• Bolt Catch Spring
• Buffer Retainer
• Buffer Retainer Spring
• Hammer Pin
• Magazine Catch
• Magazine Catch Button
• Magazine Catch Spring
• 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 Pin