General Lukin’s force had two battalions of South African infantry, plus the Dorset Yeomanry, Bucks Hussars, Royal Scots and guns of the 1st Nottinghamshire Battery Royal Horse Artillery.
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The gun was used by Royal Horse Artillery batteries of Territorial Force cavalry units (Yeomanry) early in World War I, most notably in the campaign in Egypt against the Senussi by A Battery, Honourable Artillery Company and the Nottinghamshire RHA.