
How to Build an AR-15 Upper Receiver: Ultimate Visual Guide
See how easy it is to build your own AR-15 upper receiver. Step-by-step with pictures, plus essential tools, recommended parts, tips/tricks, and two full builds.

See how easy it is to build your own AR-15 upper receiver. Step-by-step with pictures, plus essential tools, recommended parts, tips/tricks, and two full builds.

Grab your helmet and strap in as we shoot the H&R M16A1 to see if this retro rifle performs as good as it looks.