This video details the removal of a unique rifled insert from a 20mm Mark-11 Autocannon revolver cylinder. These short, rifled inserts impart spin to projectiles before they enter the weapon's smoothbore main barrel, a distinctive design feature for this naval autocannon. The process showcases specialized tools and expert knowledge of rare military firearms.
The 20mm Mark-11 Autocannon uses a unique design with smoothbore main barrels and short, rifled inserts within its revolver cylinder chambers. These inserts impart spin to the projectile before it enters the main barrel, compensating for the lack of internal rifling.
This review covers the Finnish L-39 Lahti, a formidable 20mm anti-materiel rifle nicknamed 'Norsupyssy' or Elephant Gun. It highlights the rifle's massive scale, unique ski-style bipod, and the challenging process of loading its 10-round magazine with 20x138mmB Solothurn cartridges. The demonstration showcases the rifle's powerful live fire, emphasizing its significant muzzle blast and recoil.
This video showcases a 127-year-old U.S. Army 3.2-inch Model 1897 Field Gun, highlighting its historical significance and operational mechanics. Key details include its 1898 Watervliet Arsenal manufacture and a live-fire demonstration revealing its recoil and smoke characteristics. The content emphasizes the historical context and engineering of vintage artillery.
This video unboxes a sealed 'spam can' containing 25 inert 20mm M18A3 drill cartridges manufactured in March 1950. The presenter demonstrates opening the vintage container using its integrated key and inspects a cartridge, noting its headstamp. The can's interior includes a warning against food storage.
