Does Bore Matter, Part II

This guide details a field repair and troubleshooting process for a Walther P38, focusing on a common failure point: the loaded chamber indicator. Expert Karl Kasarda demonstrates how to diagnose and resolve malfunctions, including short-stroking, by removing problematic parts and testing ammunition compatibility. The insights provided are valuable for owners of vintage firearms facing similar issues.

This video explores the Caesar Guerini Revenant, a premium shotgun known for its aesthetics and performance. It highlights the versatility of the combo gun setup, allowing for quick barrel changes between 20 and 28 gauge. The instructors emphasize how a well-fitting gun, custom stocks, and the ability to adapt to different gauges significantly enhance the shooting experience for both clay and game shooting scenarios. The review touches on the aesthetic appeal, handling characteristics, and the practical benefits of investing in a multi-gauge shotgun system.

This video reveals surprising truths about the AR-15 platform, debunking the myth of over-cleaning and highlighting its modularity. It explains how standard AR-15 lowers can accept larger caliber uppers like .450 Bushmaster, .458 SOCOM, and .50 Beowulf, offering increased versatility. A critical warning is issued regarding the dangers of mixing 5.56mm and .300 Blackout ammunition due to potential catastrophic failures. Finally, it emphasizes that building an AR-15 requires more than just parts, stressing the importance of proper assembly, tools, and headspace verification, advising caution for DIY builders.

This video details a process for comparing the velocity differences between two 18-inch 6.5 Grendel barrels from different manufacturers (Bear Creek Arsenal and Diamondback Firearms). The presenter outlines a methodical barrel swap procedure, emphasizing the importance of consistent components and proper torque. The testing involves chronographing two different bullet weights (123gr SST and 90gr Varmageddon) to illustrate how barrel variations can affect muzzle velocity.

This episode of Gunwerks' Instructor's Corner focuses on improving long-range shooting skills through deliberate practice and equipment management. Instructors emphasize the importance of structured range days, practicing shooting from various positions like tripods, and understanding cold bore shot dynamics. They also delve into practical techniques for wind calling, using ballistic calculators, and developing instinctive aiming for hunting scenarios, advocating for consistent, high-volume practice with an emphasis on fundamentals.

This video demonstrates a rudimentary test of the Terminus Zeus action's return-to-zero capability. The presenter removes and re-installs the switch barrel multiple times, firing groups at 100 yards after each reinstallation to assess point-of-impact shift. The results suggest a very close return to zero, making it suitable for hunting scenarios.

This guide details the inspection and assembly of a 1917 DWM Artillery Luger, emphasizing its exceptional condition and matching components. Expert insights cover historical context, proof marks, and accessory integration, highlighting the importance of meticulous firearm preservation.

This video provides an expert look at a rare Japanese Baby Nambu pistol, presented by a specialist in historical firearms. The demonstration covers the original accessories, including a leather holster, cleaning rod, spare magazine, and period-correct 7mm Nambu ammunition. The speaker highlights unique features like Kanji inscriptions, suggesting a presentation model possibly linked to Emperor Hirohito, and discusses the estimated production total of approximately 10,000 units, noting their issuance to Japanese officers.

This video, presented by Tom Whiteman of Legacy Collectibles, addresses the misconception that Luger production ended in 1942. It provides an expert-level overview of late-war Lugers, focusing on identifying Mauser 'Black Widow' variants and Krieghoff production from 1943-1945. The authoritative tone and detailed knowledge of factory codes and historical variants highlight high expertise.

This video provides an expert look at a rare 'Un-Quality' marked M1 Carbine variant, explained by Tom Whiteman of Legacy Collectibles. The 'Un-Quality' stamp indicates a specific production partnership between Union Switch & Signal and Quality Hardware during WWII. With only about 30,000 produced, these carbines are highly sought after by collectors, commanding a premium price due to their rarity and unique historical context.