Lathe Machine Gun

This guide details the process of stamping steel upper receivers for the Diabolos rifle, as demonstrated by Mark Serbu of Serbu Firearms. It covers the use of a 200-ton hydraulic press, specialized lubricants like Super Draw 150, precision machining of dies, and TIG welding for assembly. The method highlights the efficiency of stamping over traditional machining for receiver production.

Mark Serbu, a gun designer, details the complex machining process for the BFG-50A trunnion, a critical component housing the serial number and barrel extension. He discusses challenges with tapping hardened alloy steel, including tap breakage, and the successful implementation of using a larger drill size with molybdenum disulfide grease. The video also covers thread milling techniques for various holes, including the gas cylinder boss, and highlights the importance of precise tolerances for accuracy.

This video demonstrates the advanced machining process for the BFG-50A rifle receiver, specifically focusing on creating the scope base holes. Gun designer Mark Serbu details the use of CNC machinery, touch probing, and specialized tooling like carbide center drills and 5/16 inch endmills to achieve precise tolerances on the complex weldment receiver. The process highlights the importance of accurate fixturing and the capabilities of modern machining for firearm manufacturing.

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 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 in-depth look at the manufacturing process for bolts and bolt carriers at Centurion Arms. It highlights the use of advanced CNC machinery, including twin-spindle lathes and mills, integrated with collaborative robots for efficient, high-volume production. The emphasis is on a multi-stage process involving precise machining, rigorous quality control at multiple checkpoints, and specialized finishing techniques like heat treating and chrome plating to ensure mil-spec compliance and durability. The video also details critical steps like carrier key staking to prevent loosening, showcasing Centurion Arms' commitment to producing high-quality firearm components.

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.

This video provides an expert-level look at the Serbu Butt-Master, a unique .22 LR pen-style firearm designed by Mark Serbu. Serbu, the original designer and manufacturer, details its technical specifications, NFA classification, and operational mechanism. The content includes live-fire analysis, a demonstration of a custom suppressor, and a showcase of the Olight PL-3 Valkyrie weapon light. The video highlights Serbu's deep technical knowledge and offers insights into firearm design and regulation, particularly concerning its controversial ban in Canada.