Drilling a firing pin hole...amazing speed!

This guide details the disassembly and cleaning of an 1860 Henry Rifle, focusing on the delicate process of removing the side plate and addressing common issues like verdigris and damage from dry firing. Mark Novak, demonstrating advanced gunsmithing techniques, emphasizes careful cleaning of screw heads and proper torque application. The guide highlights the historical significance and mechanical limitations of the toggle link system, advising against restoration for firing due to extensive damage.

This expert-level guide details the disassembly of the Ruger Harrier rifle, emphasizing crucial safety precautions throughout. It covers separating the upper and lower receivers, removing the bolt carrier group and charging handle, and further disassembling the bolt carrier group into its core components. The instructions are clear and actionable, suitable for intermediate users seeking to perform routine maintenance.

This video provides a detailed guide to disassembling and reassembling the Mosin Nagant bolt, focusing on the M39, M38, M44, 91/30, M91, and Dragoon variants. It covers removing the bolt head and connector, unscrewing the firing pin using a block of wood to compress the spring, and reassembling by aligning with factory index marks. The process highlights the Mosin's machining compared to other rifles like the Swiss K31.

This video provides a detailed guide for disassembling and reassembling the Bolt Carrier Group (BCG) of an AR-15. It's aimed at beginners and experienced shooters alike, covering the removal and reinstallation of critical components like the bolt, cam pin, firing pin, extractor, ejector, and gas rings. The tutorial also includes tips on inspection and lubrication, making it a valuable resource for in-depth cleaning, maintenance, or repair work on AR-15 style firearms. The video emphasizes a step-by-step approach for ease of understanding and application.

This YouTube video focuses on a specific maintenance task for the AK-47 platform: replacing the firing pin. The title, "Right into the Kisser! AK47 Bolt Firing Pin Swap!", clearly indicates the subject matter is a technical procedure related to the AK-47's bolt assembly. While not a full review or range test, the video appears to offer practical, hands-on instruction for AK-47 owners looking to perform this common repair or upgrade.

This video from CMMG explains the function and purpose of a floating firing pin in firearms. Mike, the presenter, breaks down what this specific component is and how it operates within a firearm's action. The description also includes promotional links to CMMG's website for insider information and their social media channels on Instagram and Twitter.

Mark Serbu details the complex process of converting a CNC lathe into a 12-barrel blank-firing machine gun. The project highlights the critical role of a lathe's C Axis for precise rotational control and the application of PID control theory to overcome initial firing failures. Modifications were made to ensure the device fires blanks only, avoiding legal issues.

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 in-depth analysis of the Serbu RN-50 rifle that experienced a catastrophic failure during a Kentucky Ballistics test. Mark Serbu, the designer, meticulously examines the damage, noting severely bent steel side plates, sheared-off breech cap ears, and a sheared pivot pin. The inspection also covers the breech cap's condition, barrel threads, and the stuck casing, revealing a case head separation.

Mark Serbu, designer of the RN-50, addresses a catastrophic failure experienced by Kentucky Ballistics. He reassures customers about the RN-50's safety, attributing the incident to counterfeit or over-pressured ammunition. Serbu highlights the rarity of such events and emphasizes industry transparency, noting that his company has produced approximately 1,400 RN-50s since 2016 with hundreds of thousands of rounds fired without issue.