How to Repair Damaged Screw Heads Using Hand Tools | MidwayUSA Gunsmithing

This guide details how to inspect AR-15 Bolt Carrier Groups (BCGs) for critical manufacturing defects, specifically focusing on peening marks and burrs on the carrier rails. Instruction from School of the American Rifle highlights how these imperfections, often resulting from attempts to correct loose carrier key pockets, can cause significant damage to the aluminum upper receiver. Proper inspection is crucial for ensuring BCG longevity and firearm reliability.

This guide details the advanced gunsmithing process of inletting a wooden buttstock for a Remington Rolling Block Rifle. It covers using a milling machine for initial cuts and a chisel for hand-fitting, with specific mention of Miles Gilbert Inletting Black for precise fitting. The instruction is provided by Larry Potterfield, founder of MidwayUSA, demonstrating a high level of expertise.

This video demonstrates an expert gunsmithing technique for performing a chamber cast on a rare Galland Revolver to accurately identify its caliber when ammunition is unavailable. Mark Novak meticulously details the disassembly, the use of Cerrosafe alloy for casting, precise measurement techniques with Lyman calipers, and even a specialized screw head repair method. The process successfully identifies the revolver as chambered in .44 Russian, highlighting the importance of objective measurement over assumptions.

This guide details the expert process of fabricating a mainspring for an 1812 Springfield Musket, as demonstrated by master gunsmith Mark Novak. It covers analyzing original springs, designing new geometry, shaping and welding spring steel, and critical heat treatment processes including hardening via quenching and tempering in a lead pot to achieve the correct tension and durability. The guide emphasizes avoiding stress risers and ensuring proper material properties through precise temperature control.

This video details an expert-level repair of a chipped 'toe' on an 1891 Argentine Mauser stock, performed by Mark Novak. The technique emphasizes meticulous wood grain matching, precise surface preparation, and the use of Acraglas gel for bonding. A key reinforcement step involves inlaying a 'dog bone' fastener to prevent recurrence. The final finishing ensures the repair is nearly invisible, showcasing advanced gunsmithing skills.

This guide details the process of glass bedding a rifle to enhance accuracy, as demonstrated by GunBlue490. The technique focuses on creating a stable, consistent interface between the rifle's action and stock, preventing movement during recoil. It emphasizes proper preparation, material selection (Devcon Plastic Steel Putty), and application to ensure a precise fit, ultimately improving barrel harmonics and shot consistency. The speaker, exhibiting high authority, cautions that this is a difficult and time-sensitive procedure.

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.