How To Measure the Twist Rate of a Barrel

This guide details the disassembly and reassembly of a Ruger Mini-14 trigger group, prompted by a failure where the trigger group "flew apart." It covers identifying broken parts and reassembling the receiver. The speaker, demonstrating experienced authority, highlights a common failure point and the process of repair.

This video delves into the specific engineering behind a firearm's pinpoint accuracy, focusing on barrel specifications and gas block design. It highlights the critical role of a 1:5 twist rate in a stainless steel barrel for optimal performance and discusses a proprietary jam nut style gas block system that simplifies installation and ensures precise alignment.

This guide details the updated cleaning and bolt release features on the new Ruger 10/22, as presented by Sootch00 at Shot Show 2026. Key improvements include a receiver cleaning port for easier maintenance and a slingshot bolt release for more intuitive operation. The video highlights how these factory enhancements simplify common user tasks.

This guide details the field stripping process for a Japanese Type 30 infantry rifle, as demonstrated by an experienced instructor from C&Rsenal. It covers the removal of the bolt from the action, followed by the disassembly of the bolt head and rear components, including the firing pin and sear. The instruction emphasizes careful handling of small parts and suggests appropriate tools for safely compressing springs and removing the firing pin.

This guide details the field stripping and reassembly process for the HK MR308/HK417 rifle, as demonstrated by FrenchGunGuy in a speed test. The process emphasizes safety checks before disassembly and reassembly, culminating in a function check and live fire. The video showcases an experienced instructor's proficiency in a timed challenge.

This video focuses on the intricate lens assembly within rifle scopes, a crucial component for long-range precision. While specific rifle models or calibers are not detailed in the title or description, the content is highly relevant to rifle owners and enthusiasts interested in the technical aspects of their optics. The mention of "long shots" and "tough shots" in the subscription prompt suggests practical application of these scopes in demanding shooting scenarios.

This video provides an expert-level overview of a heavily customized AR-15, nicknamed the 'Zombie Destroyer', built for a thematic zombie apocalypse scenario. The build features an extensive accessory loadout including multiple optics, lasers, and flashlights, along with a high magazine capacity. The demonstration includes rapid fire, engagement of Tannerite targets, and unique shooting techniques, showcasing the rifle's capabilities and the instructor's proficiency.

This video details an extreme AR-15 meltdown test, pushing a custom build to its limits. Expert instructor Eric demonstrates the process, highlighting component durability and failure points under sustained fire. The test concludes with a catastrophic barrel failure after 830 rounds, providing valuable insights into the platform's resilience.

This guide details the process of conducting an extreme durability test on an AK-47 variant, specifically the Definitive Arms VEPR, as demonstrated by Iraqveteran8888. The test involves sustained full-auto fire to induce critical heat failure, followed by inspection of components like the barrel and gas block. The expert assessment highlights the rifle's resilience, lasting 895 rounds before failure, and compares its performance to other platforms.

This guide details a 700-round rapid-fire stress test on a Yugo M92 PAP AK-47 variant, demonstrating the platform's legendary durability under extreme heat. Performed by Eric from Iraqveteran8888, the test highlights safe handling of overheated firearms and concludes with a tribute to Mikhail Kalashnikov's engineering legacy. The firearm successfully completed the test despite significant heat buildup.