This M4E1 Lower Parts Kit includes the components needed to assemble an Aero Precision M4E1 Lower Receiver or similar mil-spec lower receiver. It features a Magpul MOE® Grip. Our M4E1 specific LPKs do not include a trigger guard as it is built in to the M4E1 Lower Receiver.

• Magpul MOE® Grip in FDE
• Takedown Pin
• Pivot Pin
• Takedown/Pivot Detent
• Takedown/Pivot Spring
• Bolt Catch
• Bolt Catch Buffer
• Bolt Catch Roll Pin
• Bolt Catch Spring
• Magazine Catch Body
• Magazine Catch Button
• Magazine Catch Spring
• Buffer Retainer
• Buffer Retainer Spring
• Safety Selector
• Safety Selector Spring
• Safety Selector Detent
• 4-40 Set Screw (for threaded takedown pin detent hole)

This specific kit does NOT include a fire control group. This is a great option for those planning to buy an upgraded trigger. Need a fire control group? Check out our M5 Lower Parts Kit with Magpul™ MOE® Grip.