How to Color Case Harden Presented by Larry Potterfield | MidwayUSA Gunsmithing

This video details the initial assessment of a recently acquired auction firearm. The presenter notes a potential issue with the articulated trigger spring, specifically that it sometimes ejects the entire cartridge from the left barrel. This is identified as a problem that a service or gunsmithing intervention should be able to resolve, suggesting the gun is not beyond repair despite its condition.

This video details a highly unusual Enfield revolver modification featuring a significantly extended 25-inch barrel. The expert explains the process of chopping the original barrel and threading in a custom-made smoothbore barrel, noting the machining and finishing details. The discussion also touches on UK firearms law regarding barrel length and bore type, and the proofing marks indicating the modification was officially inspected.

This video provides an in-depth tour of the Ordnance.com restoration shop, detailing the comprehensive process of bringing antique and military firearms and components back to life. It covers essential stages from initial disassembly and abrasive blasting to bodywork, painting, polishing, and final assembly. The shop utilizes specialized equipment like sandblasting cabinets, CNC water jets, and a paint booth, emphasizing meticulous attention to detail for museum-quality results.

This video demonstrates advanced techniques for removing severe rust and converted oxide from a firearm. It highlights the use of carding wheels and more aggressive abrasive tools, emphasizing the potential need for re-bluing due to the aggressive nature of the cleaning process. The instructor also touches on the challenges of pitting and the correct order of operations for metal finishing.

This guide details the process of restoring a Chinese Type 56 SKS 'Letter Series' rifle to its original 'jungle stock' configuration. It covers the preparation and installation of a fiberglass jungle stock, emphasizing the importance of proper fitment for improved accuracy. The host, an experienced collector, highlights the challenges and rewards of preserving historical firearm configurations.

This guide details the use of vintage Brownell's Natural Refined Sperm Oil, a historical firearm lubricant. The video highlights its discovery in Bill Lockridge's shop and its past applications for metal treatment and lubrication. While sperm oil was once a primary lubricant, its use is now limited due to legal restrictions. Proper application involves using a small amount on a cloth for metal parts and actions to prevent rust and corrosion.

This guide details a high-speed Cowboy Action Shooting stage, demonstrating expert transitions between a lever-action rifle, dual single-action revolvers, and a side-by-side shotgun. It highlights efficient manual shotgun reloading techniques from a belt carrier, showcasing advanced proficiency in competitive shooting disciplines. The video emphasizes speed and accuracy across multiple firearm types.

This video provides an expert-level demonstration of the Mosin-Nagant M91/30 PU Sniper rifle. It covers visual inspection, the proper loading procedure for 7.62x54R ammunition, and live fire at an outdoor range, showcasing bolt manipulation and recoil control. The demonstration is presented in a silent, ASMR-style format by an authoritative demonstrator.

This guide details the complex process of reboring a Winchester 1885 Low Wall rifle from .32 Rimfire to .357 Magnum, addressing a pitted bore. Expert gunsmith Larry Potterfield demonstrates disassembly, barrel removal, specialized reboring at Delta Gun Shop, chambering, crowning, action conversion, and final marking/finishing. The process highlights advanced machining techniques and specialized tools required for such a conversion.

This guide details the cycle of operation for the Winchester Model 12 shotgun, as explained by Larry Potterfield of MidwayUSA using a cutaway model. It covers loading, safety engagement, firing, extraction, and chambering. The explanation highlights the hammerless pump-action design and internal component interactions, offering valuable insights for gunsmithing and understanding firearm mechanics.