INERT DEACTIVATED. This is a unfired British L1-A1 51mm high explosive (HE) mortar round for the 51mm British L10-A1 mortar. This mortar was a replacement for the 2 inch mortor used in World War 2 and was introduced in the late 1980s until replacement in 2007 by the 60mm mortor. This L1 A1 mortars streamlined steel body retains virtually all of its original dark green finished body and the early alloy full stabilizing fins. The body of the mortar is stamped RLB (Royal Laboratories) 026 over H. The fins are the later split type are anodised in grey. The mortar is fitted with an alloy percussion L127A4 nose fuse and is stamped round its circumference L1217A4 SG 04.09 040 . The nose fuse is complete with its safety wire and has a delay screw on the side. The nose fuse has its alloy gaine fitted. The price includes UK delivery and no licence is required to possess this inert mortor in the UK if retained as part of a collection or display. Sn 19530:6