The Smith & Wesson M&P AR-15 Rifle Complete Lower Parts Kit includes everything you need to build your finished lower receiver. All you need is a stripped lower receiver and stock assembly of your choice, and we provide you with the rest.

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
• Pistol Grip
• Pistol Grip Lock Washer
• Pistol Grip Screw
• Pivot Pin
• Pivot Pin Detent
• Pivot Pin Detent Spring
• Selector
• Selector Detent
• Selector Detent Spring
• Trigger
• Trigger Guard
• Trigger Guard Roll Pin
• Trigger Pin, Trigger Spring