Range Drum .50 (L8A1)

The .50in range drum (3649) has ballistic optimisation for the current range of in-service .50in. ammunition. The range drum is graduated from 500m to 2200m in 100m increments. It features a Gaseous Tritium Light Source (GTLS) for illumination of the range scale under conditions of low light level. The range drum is fitted with a quick release clamp that allows fitting to a Mil Std 1913 Picatinny rail. The rail for attachments of the optical sight and other electro/optical ancillaries is the Mil Std 1913 Picatinny type. It features a rotary locking device fitted to the range adjusting drum, that when applied prevents inadvertent rotation. There is a high degree of commonality between the various models and a full range of sub-assemblies and component parts are available where required to carry out a repair.