L16 81mm Mortar

🇬🇧United Kingdom
Royal Ordnance
1965 – Present
Overview
L16 81mm Mortar
The L16 81mm mortar is the standard mortar used by the British armed forces, providing indirect fire support with high explosive, smoke, and illumination rounds.
Specifications

General

Crew3
Weight Kg35.3 kg
Caliber Mm81 mm
Max Range M5,500 m
Self PropelledNo
Rate Of Fire Rpm15 rounds/min
Research Notes

British-origin 81 mm infantry mortar

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The L16 is a widely used 81 mm smoothbore mortar fielded by British, Commonwealth, and allied forces.

The L16 81 mm mortar is a British-origin smoothbore mortar family used by many armies. The New Zealand Defence Force lists the L16A2 as an 81 mm mortar in service, while Weaponsystems.net describes the L16 as a Cold War-era UK-origin mortar. The current mortar-system category is appropriate.

Portable battalion-level indirect fire

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The weapon provides high-angle fire support with a crew-served tube, bipod, baseplate, sight, and ammunition loads.

Mortars are valued because they provide infantry units with responsive indirect fire without requiring large artillery systems. The L16 can be broken into crew-portable components or vehicle-carried depending on unit type. It can fire high-explosive, smoke, and illumination rounds, giving small units flexible support across terrain that blocks direct fire.

Simple, durable, and still relevant

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The L16 remains useful because infantry still need quick indirect fire for suppression, screening, and illumination.

Modern sensors and drones can make mortar crews more vulnerable, but they also improve target spotting. The L16's value depends on trained crews, ammunition supply, fire-control procedures, and displacement discipline. It is a mature system whose effectiveness comes from integration with infantry tactics rather than technical novelty.

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