In the case of the USA, while the M60 tank was being developed they tested various guns. 105mm Royal Ordnance L7 The main armament of the Vickers MBT is the widely used 105mm L7 rifled cannon. The L7 is a 105 mm L/52 rifled design by the Royal Ordnance Factories intended for use in armoured fighting vehicles, replacing the earlier 20-pounder (84 mm) tank gun mounted on the Centurion tank. Royal Ordnance Factory, Birtley: 105 mm tank (TK) gun L7 and ammunition product improvement; evaluation of options available for 105 mm TK gun L7 and ammunition product improvement. Manufactured by the Royal Ordnance Factory (later Royal Ordnance), the 105-mm (4.13-in) L7 was the baseline version of the UKs most successful tank gun, and was created as what was in essence a development of the 20-pdr weapon with a re-bored barrel. While the initial models of the M1 were armed with a licensed-produced 105 mm Royal Ordnance L7 gun, later variants feature a licensed Rheinmetall 120 mm L/44 for increased firepower. It was first introduced in the U.S. Armed Forces in 2000 [ citation needed ] , designated as the M68 Close Combat Optic (M68 CCO; NSN: 1240-01-411-1265). While its basic armor is unknown, it was to be upgradeable with a new dynamic armor that was in development. Both the United Kingdom and the United States had been developing projects for large calibered guns during WWII in order to compete with increasingly heavily armored German tanks, and later for Cold War Soviet tanks. It was the first of NATO's 120mm tank guns which became the standard calibre for Western tanks in the later period of the Cold War.A total of 3,012 L11 guns were produced at a reported unit cost of US $227,000. The M1 Abrams was developed from the failure of the MBT-70 project to replace the obsolescent M60 Patton. The system came about through a specialized need by British law enforcement to replace generally ineffective anti-riot weapons then in use. The Royal Ordnance L7 is a British chariot cannon . The British Centurion Tank FV 4007, has gone down in history as the most successful Post-World War 2 British Tank. The L7 is a 105 mm L/52 rifled design by the Royal Ordnance Factories intended for use in armoured fighting vehicles, replacing the earlier 20-pounder (84 mm) tank gun mounted on the Centurion tank. 105mm L7: L64A4 APFSDS-T. View Write Review 11.99 Noncommon items like ammunition, ordnance, and signal and engineer stores were delivered by the Red Ball Express or by rail to No. Date: 1976 Jan 01 - 1976 Dec 31 Held by: The National Archives, Kew: Former reference in its original department: Report No BLY 1/76: Legal status: Currently there is no British tank in game than can carry APFSDS ammo the L7 and L11 guns could use it but due to the design of the ammo racking in the Mk,10 Cent and the MK.3 Chieftain they could not carry APFSDS ammo. It was therefore not an L7 copy, as many sources claim in fact, it resembled the American M68 105mm rifled gun. Related stuff: Panzer 58 (Pz 58) Land Systems. The L7 is a 105 mm L/52 rifled design by the Royal Ordnance Factories intended for use in armoured fighting vehicles, replacing the earlier 20-pounder (84 mm) tank gun mounted on the Centurion tank. It was also used by other military forces, particularly those that acquired the early Cold War British 105 mm Royal Ordnance L7, including US, Germany, Israel and Sweden. The Royal Ordnance L7, officially designated Gun, 105 mm, Tank, L7, is the basic model of the United Kingdom's most successful tank gun. 120 mm L/55 rifled tank gun design. The M1 Abrams was developed from the failure of the MBT-70 project to replace the obsolescent M60 Patton. The M1 Abrams tank was first fielded by the U.S. Army in the 1980s. Royal Ordnance L11A5. Work began in 1950s and first trials were in mid-1956. The Army had preferred the 105-millimeter gun, the British-designed Royal Ordnance L7, also known in the United States as the M68. Initial models of the M1 were armed with a licensed-produced 105 mm Royal Ordnance L7 gun, while later variants feature a licensed Rheinmetall 120 mm L/44. L30 (EXP 32M1) The latest variant of the L11 design, developed under the Challenger Armament program. The breech mechanism is a downward sliding semi-automatic breechblock. The gun was equipped with a hydro-pneumatic recoil system using two buffers. The tank would be armed with the 105 mm M68 gun, a licensed version of the Royal Ordnance L7, along with a coaxial 20 mm version of the Bushmaster. The US foresaw difficultie Normally found as part of a two-entry headstamp with date being the only other entry. The ammunition it can fire includes: JM33 APFSDS (460mm of penetration at 2km) The first M1 tank was produced in 1978, the M1A1 in 1985 and the M1A2 in 1986. The Royal Ordnance L7, officially designated Gun, 105 mm, Tank, L7, is the basic model of the United Kingdom's most successful tank gun. Wikipedia. The M68 had armed the M60 series of tanks for decades and was considered a Beyond this is an optional 12.7mm Heavy Machine Gun (HMG). The US developed several heavy tank designs during this period, notable were the US 105 mm Gun T5 (later renamed 105 mm Gun Motor Carriage T95) as well as the 32-pdr mounted on the British A39 Tortoise heavy tanks. The M68 had armed the M60 series of tanks for decades and was considered a The basic component of the Rheinmetall 105 mm rifled tank family is the Rh 105-60, a development of the British Royal Ordnance L7 series capable of firing the normal group of 105 mm tank gun ammunition. Royal Ordnance L7. The Royal Ordnance L7, officially designated Gun, 105 mm, Tank, L7, is the basic model of the United Kingdom's most successful tank gun.The L7 is a 105 mm L/52 rifled design by the Royal Ordnance Factories intended for use in armoured fighting vehicles, replacing the earlier 20-pounder (84 mm) tank gun mounted on the Centurion tank. L7 QF 201950 The Royal Ordnance L7, officially designated Gun, 105 mm, Tank, L7, is the basic model of the United Kingdom's most successful tank gun.The L7 is a 105 mm L/52 rifled design by the Royal Ordnance Factories intended for use in armoured fighting vehicles, replacing the earlier 20-pounder (84 mm) tank gun mounted on the Centurion tank. 6 Army Roadhead at Grammont. List price was US $227,000 (1990). M1 Abrams main battle tank is manufactured by General Dynamics Land Systems (GDLS). The tank carries 68 rounds of ammunition for its 105 mm L7 rifled main gun, which is fitted with a thermal sleeve. While the initial models of the M1 were armed with a licensed-produced 105 mm Royal Ordnance L7 gun, later variants feature a licensed Rheinmetall 120 mm L/44 for increased firepower. Soviet espionage reports about the L7 described (and rightfully so) a weapon of extraordinary quality, capable of tearing through contemporary Russian armor with ease. The L7 succeeded the Ordnance QF 20 Poun The Royal Ordnance L7 was fitted on the British Centurion tanks, the later German Leopard I tanks, the American M60 Patton tanks, and even the early models of the M1 Abrams tanks. The Army had preferred the 105-millimeter gun, the British-designed Royal Ordnance L7, The APDS ammo of the Royal Ordnance L7 105 gun on the Leopard 1 and M60 has 288 mm of pen vs a flat plate at 0m. Ammunition: 56 x 105mm projectiles. blindgjenger; Examples . Dont be shy if youre new to e-bay! 120mm Royal Ordnance L30. However, the 60 mm gun weighed 700 kg with a total projectile weight of only 6 kg and a length of 62 cm, while the Royal Ordnance L7 weighed 1,200 kg with projectiles weighing around 18 kg and a length of about 95 cm. While retaining the Soviet 115 mm gun, more powerful ammunition allows engaging a target at greater range. M1 Abrams Main Armament It was fielded chiefly by the British Army as the main explosive round of its MBTs during the Cold War. While retaining the Soviet 115 mm gun, more powerful ammunition allows engaging a target at greater range. The ammunition to be used was the 105 mm Fd Mk 2 ammunition used in the L13 ordnance of the "Gun Equipment 105 mm L109" (better known as the Abbot self-propelled gun).

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