Bill Reynolds takes the group on a tour of the museum’s gun exhibit, which focuses on the Vincent Gunsmithing legacy. (Photo by Madeline Scarborough) MARIETTA — Campus Martius and the Ohio River ...

Machines and production cells perform deep drilling, reaming, and rifling for as many as 20,000 small-caliber firearm barrels per month – efficiently. ABSOLUTE MACHINE TOOLS’ portfolio of machine ...

The UNISIG R-4-2-2 fully automated barrel cell is engineered and automated for continuous and synchronous production, capable of gun-drilling four barrels at once, while two gun-drilled barrels are ...

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 ...