Happily, the company is no longer hiding its light under a bushel and is now marketing its actions and custom rifle builds directly to the ... toolless bolt takedown; and M16-style extractor. Mack ...

Over the years, the word “custom” has grown to mean “expensive ... The bolt features an M16-style extractor. Buyers have their choice of titanium or stainless steel construction and ...

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.