Thumb Triggers Presented by Larry Potterfield | MidwayUSA Gunsmithing

This video demonstrates a dangerous experiment involving the detonation of shotgun primers in a frying pan. The results show significant cratering and near penetration of the pan, highlighting the explosive power of primers. The presenter, from Tática Civil, emphasizes the danger and advises against replicating the experiment, while also promoting SDI's online firearm technology degree.

This guide details the precise steps for mounting a rifle scope, emphasizing accuracy and longevity. Key steps include proper receiver preparation, using Loctite for base screws torqued to 30 inch-pounds, and ensuring ring alignment with lapping for 75% contact. The process concludes with leveling the reticle and torquing ring screws to 15 inch-pounds for secure, damage-free mounting.

This video provides a comprehensive guide to accurately measuring firearm barrel lengths, crucial for compliance with the National Firearms Act (NFA). Larry Potterfield demonstrates the official ATF procedure using a dowel rod, explaining the specific techniques for break-open shotguns, pump/semi-auto shotguns, rifles, revolvers, and semi-auto pistols. Understanding these precise measurement points ensures legal compliance and proper firearm identification.

This video details the complex process of converting a Winchester 1885 Low Wall from .32 Rimfire to .357 Magnum. It covers plugging the original firing pin hole, fabricating a new centerfire pin and bushing, drilling a safety vent, modifying the extractor, and re-reaming the chamber. Crucially, it addresses timing issues by fabricating a custom link to adjust breech block height for proper primer strikes.

This video details the complex gunsmithing process of reboring a Winchester 1885 Low Wall rifle from a pitted .32 Rimfire to a .357 Magnum. It covers barrel removal, sending it to a specialized shop for reboring and rifling, precise chambering and crowning on a lathe, and converting the action from rimfire to centerfire. The process concludes with barrel marking and finishing.

This video showcases a comprehensive gunsmithing project on a Winchester Model 67 rifle, transforming it into a 'Deluxe' version. Larry Potterfield demonstrates advanced techniques like stock reshaping, recoil pad installation, glass bedding, barrel shortening, recrowning, custom sight work, bolt jeweling, and trigger gold plating. The project highlights how fundamental gunsmithing skills can be learned and applied to improve an affordable firearm.

This video showcases advanced Cowboy Action Shooting techniques demonstrated by The Lever Action Kid. It highlights rapid engagement with a lever-action rifle, followed by a high-speed transition to dual single-action revolvers. The stage concludes with efficient manual reloading of a side-by-side shotgun.

This video provides an in-depth look at the Mosin-Nagant M91/30 PU Sniper rifle, showcasing its historical significance and operational features. It details the firearm inspection, loading procedures for 7.62x54R rounds, and a live-fire demonstration. The expert handling and clear visuals highlight the rifle's characteristics and performance.

This video details the complex gunsmithing process of reboring a Winchester 1885 Low Wall rifle from a pitted .32 Rimfire to a .357 Magnum. It covers barrel removal, sending it to a specialized shop for reboring and rifling, precise chambering and crowning on a lathe, and converting the action from rimfire to centerfire. The process concludes with barrel marking and finishing.

This video details the internal mechanics and cycle of operation for the Winchester Model 12 pump-action shotgun using a cutaway model. It explains the loading process into the magazine tube, the function of the safety mechanism, and the sequence of firing, extraction, and chambering. The demonstration highlights the hammerless design and the interaction of key components like the extractor and ejector.