DPMS

This DPMS AP4 A3 AR-15 Upper Receiver Assembly comes fully assembled and ready to install on any standard small pin mil-spec lower receiver. Perfect for those searching for a lightweight economical...

Kit Includes: UR-31 Rear Base Elevation Knob Spring UR-05 Ejection Port Cover Spring LR-32 Hammer Spring UR-07 Forward Assist Spring LR-22 Trigger Spring LR-16 Magazine Catch Spring FS-04 Front Sight...

Includes the following lower receiver parts in a Retail Display Package: Pistol Grip Trigger Hammer Disconnector Selector Bolt Catch Spring Detent Spring Bolt Catch Buffer Take Down Detent Bolt...