PTG Barrel Twist Gauge – 30 Caliber

The PTG Barrel Twist Gauge for .338 caliber barrels is a precision measuring tool designed to determine barrel rifling twist rate quickly and accurately. Ideal for gunsmiths, barrel makers, and precision rifle builders, it provides a simple way to verify twist specifications during barrel inspection, identification, or build work.

Caliber: .338

Tool Type: Barrel Twist Gauge

Manufacturer: Pacific Tool & Gauge (PTG)