The Ghost Gunner is a small CNC milling machine that costs a mere $1200 and is capable of spitting out an aluminum lower receiver for an AR-15 rifle ... one foot on each side.

Still, I made a fully metal, functional, and accurate AR-15. To be specific ... When I pried the finished lower receiver off the print bed, one side was covered in support material meant to ...

The FLR is billed as “…the world’s first folding AR-15 lower receiver – no adapter required.” The Folding Lower Receiver (FLR) features a folding stock mechanism machined and built ...