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7.5cm leichtes Infanteriegeschutz 18

Light Infantry Gun

Armor / Land Systems

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Image from the Federal German Archive; Photographer: Dieck

The 7.5cm le.IG 18 series infantry gun was adopted in 1932 by the German Army and saw service throughout World War 2 into 1945.

Authored By: Staff Writer | Last Edited: 5/2/2017 | Content ©www.MilitaryFactory.com
While no longer a major component of today's infantry units, the infantry support gun was a battlefield staple since the advent of the cast barrel. The infantry support gun proved a major player in the fighting of World War 2 and, in 1932, the expanding German Army adopted the 7.5cm leichtes Infanteriegeschutz 18 (7.5cm le.IG 18) ("Light Infantry Gun") infantry support gun system. Design work on the type began in 1927 and manufacture was headed by the storied concern of Rheinmetall. Production spanned from 1932 into 1945, the last year of the war, with manufacture allowing for some 12,000 units to be delivered.

Weighing some 880lbs, the IG 18 was not a light artillery piece. It required a crew of five for general operation and relied on a mover vehicle for towing. It could be moved about by the crew when short distances were covered in battle - of course the terrain would play a major role. The weapon, as a complete, system, consisted of a short barrel and gun mount, a small angled shield for basic ballistics protection and a heavily-spoked solid wheel pairing. The mounting carriage was of a split trail type to which the legs opened and added recoil support when firing. The barrel measured three feet long and was 75mm in caliber.
The IG 18 fired a 75mm cased-cartridge type projectile weighing 13lbs with loading by the crew through a shotgun-style block breech mechanism. The gun mounting allowed for an elevation span of -10 to +73 degrees with traversal to either side of 12-degrees. An experiences, well-trained crew could reach a rate-of-fire of eight to twelve rounds per minute. Muzzle velocity was rated at 690 feet per second while maximum range was out to nearly 4,000 yards.

One notable variant of the IG 18 line was the 7.5cm le.GebIG 18 "mountain gun" which was the same artillery piece though designed to be broken down into six pieces for ease of travel. In this way, the weapon could be taken through the awkward mountain passes and fired from uneven ground. They proved valuable to lightly-armed forces such as German paratroopers as well.

The IG 18 series managed an active existence through all of World War 2 across countless campaigns where its short-/medium-ranged, relative light weight design and heavy hitting firepower were used alongside infantry maneuvers. The weapons could also be dug in and utilized in the defensive role.


Rheinmetall - Nazi Germany
12,000 Units
National flag of Germany National flag of Nazi Germany Nazi Germany
- Fire Support / Assault / Breaching
8.20 ft (2.5 m)
0 tons (400 kg; 882 lb)
(Showcased structural values pertain to the 7.5cm leichtes Infanteriegeschutz 18 production model)
None. This is a towed artillery piece.
(Showcased powerplant information pertains to the 7.5cm leichtes Infanteriegeschutz 18 production model)
Maximum Range:
2 miles (4 km)
(Showcased performance values pertain to the 7.5cm leichtes Infanteriegeschutz 18 production model; Compare this entry against any other in our database)
1 x 7.5cm (75mm) barrel

Dependent upon ammunition carrier.
(Showcased armament details pertain to the 7.5cm leichtes Infanteriegeschutz 18 production model)
7.5cm leichtes Infanteriegeschutz 18 (7.5cm le.IG 18) - Base Series Designation; infantry gun variant.
7.5cm le.GebIG 18 - Mountain Gun Variant
7.5cm le.IG 18F - Airborne Infantry Gun Variant with improved transportability.
7.5cm Infateriegeschutz L/13 - Proposed improved replacement for 7.5cm le.IG 18 series; available only in prototype form.

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