This video demonstrates the use of Pacific Tool & Gauge (PTG) function gauges for inspecting firearm chambers and throats. The instructor explains how these gauges differ from standard headspace gauges, providing insights into chamber dimensions, neck areas, and throat lengths. The video highlights their utility in identifying potential issues before live fire, especially in build classes.
This guide details the process of installing a short-chambered barrel on a Remington Model 700 action, as demonstrated by expert gunsmith Larry Potterfield. It covers essential tools, precise measurements, and the critical steps of chambering and headspacing using specialized gauges and reamers. The instruction emphasizes methodical work and safety, crucial for achieving proper firearm function and accuracy.
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