Come funziona un revolver #s&w

This video showcases a custom 1911 cut-away pistol, expertly modified by the speaker to visually demonstrate its internal mechanics. The demonstration highlights the sear and hammer interface, grip safety function, barrel lockup, and recoil spring behavior during cycling. A notable modification allows for safer loading and unloading by enabling slide manipulation with the manual safety engaged, a technique inspired by Novak's work.

This guide provides an expert overview of the Detonics MkVI's disassembly and maintenance, drawing on detailed technical explanations. It covers the unique internal mechanics, such as the triple recoil spring and bushingless barrel, highlighting the complexities involved in maintaining this compact .45 ACP pistol. The information is presented with the authority expected from a seasoned firearms instructor.

This guide provides an overview of the Soviet PPS-43 submachine gun, highlighting its simple, full-auto-only operation and efficient design. Expert analysis from Ian McCollum details the stamped steel construction, the dual-purpose guide rod/ejector, and the unique magazine release. The video emphasizes the practical engineering behind this iconic firearm.

This guide details the disassembly and operational mechanics of the FN P90, as explained by Ian McCollum of Forgotten Weapons. It covers the simple blowback action, the unique rotary magazine feeding system, ambidextrous controls, and the bottom-ejection port. The P90's design emphasizes a compact, lightweight platform for its intended role as a Personal Defense Weapon.

This guide details the disassembly of the Colt SMG 9mm AR, highlighting its unique blowback operation and modified AR-15 components. Expert Ian McCollum explains the internal differences from standard AR-15s, including the magazine adapter, gas deflector, and shortened dust cover, crucial for understanding its historical context and mechanical function.

This guide details the disassembly of the URZ prototype rifle, focusing on its unique roller-delayed blowback action, massive recoil spring, and 50-round drum magazine. Expert insights from Ian McCollum highlight the internal mechanics and design intent of this Czechoslovakian modular weapon system.

This guide details the one-handed disassembly of a Beretta 92 Series pistol, a process that can be performed even with a magazine inserted, unlike many other semi-automatic designs. The video emphasizes the mechanical possibility of this action, contrasting it with firearms like Glocks that require clearing first. Instruction is provided by an expert demonstrating advanced manipulation techniques.

This expert guide breaks down the fundamental components of a 9x21 cartridge, including the casing, bullet, primer, and powder. It details the critical firing sequence, emphasizing the primer's detonation and the powder's deflagration to launch the bullet. The instructor highlights that only the bullet is fired, while the casing is ejected and reusable.

This guide details the fundamental safety procedure for checking the chamber of a Beretta 98 semi-automatic pistol, as demonstrated by Vampire Guns. It emphasizes the critical steps of removing the magazine first, then cycling the slide, and finally performing a visual and physical inspection of the chamber to ensure it is clear. This technique is essential for safe firearm handling and is presented with an educational and safety-oriented tone by a professional instructor.

This video provides a technical explanation and visual demonstration of a squib load failure, specifically focusing on a damaged Glock barrel. An expert gunsmith or instructor uses cutaway models to illustrate the physics of a bullet obstruction and the resulting pressure spike. The demonstration highlights the visible external bulge and internal deformation of the barrel, emphasizing the dangers of firing a subsequent round into an obstructed bore and the potential for severe firearm damage.