Videos tagged with Gain Twist Rifling

This video, presented by firearms expert Ian McCollum of Forgotten Weapons, delves into the mechanics and historical application of gain twist (progressive twist) rifling in small arms. McCollum explains how this rifling technique, characterized by an increasing rate of twist from breech to muzzle, aims to improve bullet stability and prevent jacket separation, citing examples from early revolvers to modern high-powered handguns. The discussion highlights its use in specific firearms like the Carcano 1891 and S&W 460 X-frame, while also touching upon its effectiveness and historical context.

This video provides an expert-level overview of the Carcano Moschetto M91 carbine and its unique folding bayonet, presented by Ian McCollum of Forgotten Weapons. It details the carbine's development for specialized troops, its mechanical differences from the long rifle, and the evolution of its bayonet latching system through three distinct iterations. The comparison between the M91 and the later M91/38 highlights production efficiencies and sight differences.

This Q&A session from Forgotten Weapons covers a range of firearms topics, including the mechanics of gain twist rifling and its applications, comparisons of various rifle cartridges, historical firearm decisions like the US adoption of the M1903 Springfield over the M1917 Enfield, and the design philosophy behind the AR-15. It also delves into the surplus market, collectible firearm acquisition, and the rationale behind certain firearm designs and their perceived reputations.

This video provides an in-depth look at the Spiller & Burr revolver, a significant Confederate martial firearm. Ian McCollum, a recognized expert, details its complex origins, design evolution from Colt to Whitney patterns, and the material challenges faced during production. The analysis highlights production failures, material shortages leading to the use of twisted iron for cylinders, and eventual government acquisition. A specific high-condition specimen is examined, showcasing its markings and unique features like gain twist rifling and a conical brass front sight.

This video provides an expert overview of the Italian Carcano rifle, detailing its history, technical specifications, and notorious association with the JFK assassination. Mark A. Keefe IV and other firearm historians discuss its design, including the unique gain twist rifling and en-bloc clip system, its service life, and its place in the collector market. The segment highlights the rifle's practical, albeit unrefined, nature and its controversial historical significance.