Aero Precision’s line of Lower Parts Kits featuring Magpul™ Grips is designed to be versatile for your needs. Each kit is available with MOE® and MOE SL® Grip Options in Black and FDE. Buy with our tried and true mil-spec Fire Control Group or save for an upgraded trigger with our MINUS FCG offerings.

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 SL® Grip. This kit DOES NOT include a trigger guard as the trigger guard is built in to the M4E1 Lower Receiver. See below for a full list of included components.

Includes:

• Magpul MOE SL® Grip in Black or 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)
• Trigger
• Hammer
• Trigger Spring
• Trigger/Hammer Pins
• Hammer Spring
• Disconnector
• Disconnector Spring

Planning to upgrade your trigger? Check out our M4E1 Lower Parts Kit with Magpul™ MOE SL® Grip Minus FCG.

This lower parts kit is also available with a Magpul™ MOE® Grip.