Videos tagged with Machining Tolerances

Roy Huntington, an expert gunsmith, demonstrates how to modify an RCBS powder measure bushing using a lathe for precise cartridge case fit. This guide details the measurement, calculation, and machining steps required to achieve a spill-free powder charging setup, highlighting the importance of precision in reloading.

This video details the disassembly and comparison of a captured North Vietnamese variant of the Ithaca Model 1911 pistol. The presenter highlights significant differences in craftsmanship, machining, and tolerances between the original Ithaca and the captured firearm, which is believed to be either Chinese-made or North Vietnamese-reworked. Key observations include crude finishing, reversed sights, and poor part fitment, indicating a counterfeit or heavily modified weapon.

This expert analysis from BERETTA9mmUSA provides a detailed comparison of the Magnum Research Desert Eagle 1911C and the Devil Dog Arms 1911 Commander. The review highlights differences in machining, fit and finish, barrel systems, and trigger quality, offering a critical assessment of each pistol's value. The host's high authority level is evident through detailed analysis of internal components and manufacturing tolerances.

This video provides an expert-level guide to boring and honing Harley-Davidson Shovelhead and Panhead cylinders, led by Dragonman, a master machinist. It details the precise steps for achieving correct bore sizes, increasing compression by machining cylinder height, and the importance of cross-hatching for ring seal. The instruction emphasizes meticulous measurement and the use of specialized industrial machining equipment for optimal engine performance.

This episode of The QA features discussions on duty ammunition for SBRs, AR-15 manufacturing cost differences, red dot sight usage with iron sights, and preferred concealed carry holsters. The host, Dave, emphasizes the importance of quality control in AR-15 manufacturing and shares his experience with Speer Gold Dot 75-grain ammunition for SBRs. He also advises on red dot sight usage, noting that the target and dot become the primary focus, making front sights less critical unless the red dot fails.