Stamping Again....Again!

This video details a failed attempt at stamping a firearm component using a 120-ton hydraulic press. Mark Serbu, owner of Serbu Firearms, highlights the critical importance of precise material alignment and die design in sheet metal stamping. The demonstration showcases common pitfalls, such as misalignment leading to skewed parts, and the challenges of achieving complex bends with simple dies. Serbu emphasizes that learning from failures is integral to the engineering process.

This guide details the complex process of converting a lathe into a 12-barrel blank-firing gun, as demonstrated by Mark Serbu. It highlights the critical engineering challenges, including precise alignment, CNC control, and the application of PID theory to overcome firing inconsistencies. The project emphasizes safety and legal considerations, focusing on blank ammunition to avoid machine gun manufacturing regulations.

This guide details the advanced manufacturing process for a custom vented steel tube, likely for a firearm handguard or suppressor component, as demonstrated by Mark Serbu. It covers specialized CNC machining techniques like axis substitution for chamfering curved surfaces, the use of high-cost carbide tooling, and industrial finishing methods such as vibratory deburring and sandblasting. The process highlights efficient G-code programming using loops and variables for complex hole patterns.

This video provides an expert-level analysis of a custom-built 10mm rifle featuring a lever-delayed blowback action, presented by firearm designer Mark Serbu. Serbu dissects the unique construction, inspired by historical designs like the FG42, and delves into the mechanical intricacies of the delayed blowback system. He highlights potential reliability issues stemming from the design's 'gear change' action and discusses possible engineering solutions, offering valuable insights for advanced builders and firearm enthusiasts interested in complex mechanical systems.

This video details a gunsmithing modification to improve the stability of a shotgun's action bars. The presenter, Mark Serbu, explains how to address 'slop' and potential binding issues in a shortened shotgun by welding the action bars to a stabilizing component. This process aims to create a more solid and reliable action, overcoming design choices intended to prevent binding in the original configuration. The modification is presented as a solution for improving the firearm's performance after significant shortening.

This video provides an expert-level look into the design and function of a custom semi-automatic revolver, a unique build originating from New Zealand. Mark Serbu, a professional gun designer, details the firearm's mechanics, drawing parallels to historical designs like the Webley-Fosbery and Mateba Autorevolver. The build showcases advanced machining and CAD work, culminating in a firing demonstration of its recoil-operated slide and cylinder indexing system.

This guide details the complex process of converting a lathe into a 12-barrel blank-firing gun, as demonstrated by Mark Serbu. It highlights the critical engineering challenges, including precise alignment, CNC control, and the application of PID theory to overcome firing inconsistencies. The project emphasizes safety and legal considerations, focusing on blank ammunition to avoid machine gun manufacturing regulations.

This video demonstrates how to rifle a barrel in a home shop using basic tools, bypassing expensive CNC equipment. It covers material preparation, precise drilling and reaming, and the critical process of pushing a rifling button. While a DIY approach is shown to be possible, the video highlights the significant difference in quality and precision achievable with professional CNC machining.

This video provides an expert-level analysis of a catastrophic failure of the Serbu RN-50 rifle, presented by the firearm's designer, Mark Serbu. The examination focuses on the severe damage to the receiver, breech cap, and barrel assembly, offering insights into potential failure points and the effects of extreme forces. The analysis also touches upon the ammunition used, specifically SLAP rounds, and their potential role in the incident.

Mark Serbu, a gun designer, addresses the RN-50 blow-up incident involving Scott from Kentucky Ballistics. Serbu reassures customers that the RN-50 is a safe design, attributing the incident to a counterfeit and faulty ammunition round. He emphasizes the importance of sourcing ammunition carefully and highlights the rifle's extensive safe operational history.