Rifling 4 Teaser. The rifling machine!

This video provides an expert-level overview of Daniel Defense's Cold Hammer Forging (CHF) process for rifle barrels, led by Engineering Team Lead Lee Woody. It details the preparation of precision blanks, the simultaneous forming of chamber and rifling through hammer forging, and the final precision finishing steps. The explanation highlights how CHF creates compressive stresses for enhanced durability and consistency in high-volume production, ensuring precise alignment between the chamber and bore.

Mark Serbu demonstrates a home-shop button rifling process using Chinese and Ukrainian rifling buttons on 4140 and 12L14 steel barrel blanks. The video details the use of a hydraulic press and Moly grease, concluding with a comparison of the 4-groove rifling from the Chinese button and 6-groove from the Ukrainian button. Serbu provides expert insights into material selection and the practicalities of DIY barrel making.

This guide details a DIY attempt at rifling a barrel blank, as demonstrated by Mark Serbu. It covers the critical steps of machining, heat treatment, tempering, and bore preparation. The process highlights the challenges and potential failures associated with using low-quality tooling, emphasizing the need for proper equipment and technique for successful home gunsmithing.

This archive film details the intricate manufacturing process of the Sterling submachine gun at the Royal Ordnance Factory Fazakerley. It covers the detailed steps involved in producing key components like the barrel, breech block, casing, and magazine, highlighting specialized machinery and quality control measures. The film concludes with rigorous proof testing and final packing procedures, showcasing the comprehensive approach to producing this iconic firearm.

This video provides an in-depth look at the manufacturing process at Thompson/Center Arms' headquarters in Farmington, New Hampshire. It details updates in their vertical integration, showcasing advanced CNC machining (Eurotech, Akari, Haas), quality control measures like 100% Magnetic Particle Inspection (MPI), and specific processes for barrels and receivers. The tour highlights the production of popular lines including the Encore, Contender, and Triumph, emphasizing efficiency and precision in their operations.

This video demonstrates the process of transforming raw metal into a finished rifle barrel. The title suggests a focus on the manufacturing and machining aspects of firearm components, highlighting the technical skill and steps involved in creating a crucial part of a rifle. The description's alphanumeric string might be a product code or internal reference, but doesn't add specific context beyond the title.

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.