WebNov 15, 2024 · The PaK 40 is one of the most famous German anti-tank guns of the Second World War. They were used by numerous armies, and were also mounted on tanks. Skip to the content. ... – Rifling: 32 grooves, right-hand increasing twist, 1/24 to 1/18. – Weight in firing position: 1,425 kilograms (the US M5 was 2,210kg, the British 17 pounder was 3 ... WebProgressive (gain) twist rifling is harder to manufacture, and AFAIK can only be done by certain rifling methods. There's also debate whether it actually adds anything accuracy wise, or at least enough to merit the trouble of making it. Radical changed in twist rate can distort bullets due to the changing angle of the lands.
Ask Ian: Progressive Twist (Gain Twist) in Small Arms?
WebJul 21, 2024 · Yes, there have been some significant uses of progressive (gain) twist rifling on military and civilian small arms. These include: Colt percussion revolvers (1848, 1849, 1851, 1860, 1861 models) Custom barrels for Sharps, Stevens, and other rifles by Harry Pope Carcano Model 1891 rifles and carbines S&W .460 XVR revolvers WebJul 18, 2008 · 2,113 Posts. #5 · Jul 18, 2008. Gain twist barrels are often used with bullets that have driving bands (small section, or sections of the bullet that are full diamater). If the bullets were not started slowly the driving bands could be … iberville bc54-c-6
Progressive Depth Rifling - British Militaria Forums
Pak 40 seen from the rear Caliber: 75 mm Barrel length: L/46 Rifling: 32 grooves, right-hand increasing twist, 1/24 to 1/18. Length with the carriage: 6.2 metres (20 ft 4 in) Length: 3.70 metres (12 ft 1.7 in) Width: 2.0 metres (6 ft 7 in) Height: 1.25 metres (4 ft 1 in) Weight (combat ready): 1,425 kilograms (3,142 lb) … See more The 7.5 cm Pak 40 (7,5 cm Panzerabwehrkanone 40 - "7.5cm armour defence cannon [19]40") was a German 75 millimetre anti-tank gun of the Second World War. The gun was … See more The weapon was effective against almost every Allied tank until the end of the war, only struggling to penetrate heavier vehicles like the … See more After the war, the Pak 40 remained in service in several European armies, including Albania, Bulgaria, Czechoslovakia, Finland, Norway, Hungary and Romania. In 1955, USSR supplied 33 captured guns to Austria. They were kept in service into the 1960s. See more Development of the Pak 40 began after reports of new Soviet tank designs began to reach Berlin in 1939. The German army was equipped with the See more The Pak 40 was the standard German anti-tank gun until the end of the war, and was supplied by Germany to its allies. Some captured … See more • Caliber: 75 mm • Barrel length: L/46 • Rifling: 32 grooves, right-hand increasing twist, 1/24 to 1/18. See more • 7.5 cm Pak 97/38 - captured French 75 mm anti-tank gun on German carriage • 7.5 cm Pak 41 - 75 mm anti-tank gun based on squeeze bore principle • 7.5 cm Pak 50 - A shortened L/30 version of Pak 40 See more WebJul 22, 2016 · Progressive depth (or decreasing depth) rifling was used in Springfield and Enfield muskets. In Springfields, the grooves are 0.015" deep at the breech and taper to … WebMay 8, 2024 · The 75 millimeter Pak 40 anti-tank gun was a German anti-tank gun developed during WWII from 1939-1941. PAK is the abbreviation for … iberville bank the first