Because the build process is thoroughly covered ... This project originally began with a plan to assemble a full-custom, gas-impingement AR pistol chambered in 5.56 NATO/.223 Rem.

finish and quality as expected for any other custom AR-15 build. Next was the question of caliber. Installing a rifle-caliber pistol barrel much shorter than 7" is a challenging proposition.

Pistol grips are among the biggest purchases ... even when you’re looking to create a custom AR build. Brownells sells Magpul rail covers for $11.35 while Cabela’s has an ambidextrous sling ...

Pistol grips are among the biggest purchases ... even when you’re looking to create a custom AR build. Brownells sells Magpul rail covers for $11.35 while Cabela’s has an ambidextrous sling ...

HaveBlue's custom creation (Opens in a new window) is a .22-caliber pistol, formed from a 3D-printed AR-15 (M16) lower receiver, and a normal, commercial upper.

Snapchat is launching a new feature called “Custom Landmarkers” that lets creators build unique AR experiences for local places they care about, the company announced on Wednesday. The company ...