Videos tagged with Bore Measurement

This video demonstrates an expert-level technique for identifying unknown calibers on antique firearms using Brownells Cerrosafe. Lead Firearms Instructor Eric methodically guides viewers through safety checks, including sounding Damascus barrels, and the precise process of creating muzzle and chamber casts. The analysis of these casts allows for accurate determination of bore and chamber dimensions, crucial for assessing firearm safety and potential use. The instruction highlights the importance of meticulous gunsmithing skills when handling historical artifacts.

This guide details the process of slugging a rifle barrel, a crucial step for determining precise bore diameter to ensure optimal bullet fit, especially for cast bullets. The video demonstrates using a lead ball, oil, case lube, and a mallet to drive the slug through the barrel, followed by precise measurement with digital calipers. The speaker, demonstrating high expertise, emphasizes the importance of this measurement for selecting the correct bullet size to maximize accuracy and performance.