ABSOLUTE MACHINE TOOLS’ portfolio of machine tools and automation systems includes machines specifically engineered for drilling, reaming, and rifling of small-caliber gun barrels. These Precihole ...

U.K.-based Sabre Defense Industries initially launched its U.S. operations in Nashville, Tenn., to produce barrels for XR15/16 rifles, premium variants of the AR15 and M16 rifles. However, the start ...

Automatic hone helps machine gunners hit their mark. HTB-2000 tube hones from Sunnen Products Co., St. Louis, let a maker of .50-caliber machine gun barrels beat MIL-Spec accuracy by a factor of two ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

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