130 mm towed field gun M1954 (M-46)

130 mm towed field gun M1954 (M-46) The 130 mm towed field gun M1954, designated M-46 by its Soviet designers, is a powerful, long-range artillery piece developed in the early years of the Cold War. Entering service with the Soviet Army in 1954, it was designed to provide corps-level fire support, counter-battery fire, and engage deep targets. Renowned for its exceptional range and robust construction, the M-46 saw extensive export and combat use across multiple continents, remaining in service with various militaries for decades.

Development and design

The M-46 was developed at Artillery Plant No. 172 in Perm under the direction of chief designer Fyodor Fyodorovich Petrov, a leading figure in Soviet artillery design. It was intended to replace older pre-war and wartime systems like the 122 mm gun M1931/37 (A-19) and the 152 mm howitzer-gun M1937 (ML-20), offering superior performance for the Soviet Ground Forces. The design utilized a modern split-trail carriage with large wheels for high-speed towing, often by heavy trucks like the Ural-375D. Its most notable feature was its exceptionally long, 55-caliber barrel, which, combined with a large propellant charge, gave it a maximum range far exceeding contemporary NATO guns such as the M59 155mm Long Tom. The breech employed a semi-automatic, vertically-sliding Welin breech mechanism for a sustained rate of fire. For transport, the gun could be configured in a traveling mode with its barrel pulled back over the trails.

Service history

The M-46 entered widespread service with the Soviet Army in the mid-1950s and was soon supplied to numerous allied states and client nations, including members of the Warsaw Pact, Egypt, Syria, India, and North Vietnam. It first saw significant combat during the Vietnam War, where People's Army of Vietnam units used it effectively against U.S. and Army of the Republic of Vietnam positions. It played a major role in the Yom Kippur War, where Egyptian Army and Syrian Army batteries performed counter-battery missions against the Israel Defense Forces. During the Soviet–Afghan War, it was used by both the Soviet 40th Army and Mujahideen forces. The gun saw further action in regional conflicts like the Iran–Iraq War, the Gulf War, and various engagements in the Balkans and Africa. Its longevity is attested by its use in the Syrian Civil War and the 2022 Russian invasion of Ukraine.

Variants

The primary variant is the original M-46. An indigenous Chinese copy, produced without a license, is known as the Type 59-1. In the late 1970s, Finland developed a significantly modified version designated 130 K 54, which featured a muzzle brake and a new sighting system. The most significant evolution of the design was the 130 mm field gun M-46, which served as the direct basis for the famous 130 mm field gun M-46. The Romanian Army also fielded a local variant. The gun's barrel and ballistics were later adapted for use in the Soviet and Russian Navy's AK-130 naval gun system.

Operators

The M-46 has been operated by a vast number of countries worldwide. Major historical and current operators include Algeria, Angola, Cuba, Egypt, Ethiopia, Finland, India, Iran, Iraq, North Korea, Libya, Mongolia, Mozambique, Pakistan, Poland, Romania, Somalia, Sudan, Syria, Vietnam, and Yemen. It was a standard piece within the Warsaw Pact and was widely distributed across the Middle East, Asia, and Africa. Many operators have since retired the gun in favor of more modern 155 mm NATO-standard or self-propelled systems, but it remains in reserve or active service in several nations.

Specifications

* **Caliber:** 130 mm (5.12 in) * **Barrel length:** 7.15 m (55 calibers) * **Weight (combat):** 7,700 kg (16,975 lb) * **Weight (traveling):** 8,450 kg (18,629 lb) * **Crew:** 8 * **Elevation:** -2.5° to +45° * **Traverse:** 50° total * **Muzzle velocity:** 930 m/s (3,050 ft/s) * **Maximum firing range:** 27.15 km (16.87 mi) with standard HE projectile; over 37 km (23 mi) with ERFB ammunition * **Rate of fire:** 5–6 rounds per minute sustained * **Towing vehicle:** Typically a 6x6 or 8x8 heavy truck, such as the KrAZ-255 or Ural-4320

Category:Field artillery Category:Cold War artillery of the Soviet Union Category:130 mm artillery