Not to be confused with Bofors 40 mm Automatic Gun L/70 or other Bofors guns. The Bofors 40 mm Automatic Gun L/60 (often referred to simply as the "Bofors 40 mm gun", the "Bofors gun" and the like, [3][4] see name) is an anti-aircraft autocannon, designed in the 1930s by the Swedish arms manufacturer AB Bofors.

40-mm Automatic Gun M1 (AA) and 40-mm Antiaircraft Gun Carriages M2 and M2A1, TM 9-252, 1944, is an Army technical manual for this widely used anti-aircraft gun of WW II. We offer this manual on the web site because it covers the single 40-mm gun used on many small ships.

TM 9-252 40-mm Automatic Gun M1 (AA) and 40-mm Antiaircraft Gun Carriages M2 And M2A1 1944 by United States. War Department; United States. War Office

40 MM Antiaircraft Gun,TM 9-1252, 1951, is an Army service manual for this widely used anti-aircraft gun of WW II. We offer this manual on the web site because it covers the single 40mm mount M3 used on many small ships. Note that the M1 gun is the same as found in the double and quad mount manuals also on this site.

Bofors 40 mm gun is a name or designation given to models of 40 mm calibre automatic anti-aircraft guns designed and developed by the Swedish company Bofors: Media related to Bofors 40 mm gun at Wikimedia Commons.

40mm Guns on the AC-130 The L-60 40mm gun was first considered for AC-130 use in 1969 during the Vietnam War. It was meant to increase stand-off distance and improve overall combat effectiveness. Contrary to popular belief, the original AC-130A 40mm guns used in flight testing were Army M1 guns not a Navy Mk-series guns pulled from ships.

Jun 28, 2023 · The 40mm Bofors was the standard midsized Allied anti-aircraft gun during WWII. The early US weapons used the M2 carriage, while later guns used the M2A1 carriage shown here. Many of the M2 carriages were subsequently upgraded to the M2A1 standard.

On 15 October 2010, the M2A1 heavy machine gun was type classified by the U.S. Army. Formerly known as the M2E2, the M2A1 incorporates improvements to the design including a quick change barrel (QCB) with a removable carrying handle, a new slotted flash suppressor that reduces muzzle flash by 95 percent, fixed headspace and timing, a modified ...

May 16, 2020 · This Technical Manual supersedes TM 9-252, dated 15 April 1942, including CI, dated 20 October 1942; TB 252-3, dated 13 July 1943; TB 252-4, dated 18 August 1943; TB 252-5, dated 28 October 1943; TC No. 54, dated 1943, section III, in part; and TB 252-6, dated 22 November 1943. Added new book.

The 40-mm Gun Carriages M2 and M2A1 (AA) are of the 2-axle, 4-wheel trailer type. A drawbar with a standard drawbar lunette forms the connection between the carriage and the prime mover. The carriage is equipped with 4-wheel electric brakes operated from the prime mover, and manually operated mechanical brakes on the rear wheels.