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The weapon was based on the earlier Soltam M-68 and uses the same recoil system, breech and carriage but had a longer gun barrel (39 calibre versus 33 calibre of M-68). It is fitted with a compressed air-driven rammer to permit rapid and ease of loading at all angles of elevation as well as having a rechargeable battery mounted on the right trail for auxiliary power. It can fire a 43.7 kilograms (96 lb) high-explosive shell up to a maximum range of 23.5 kilometers (14.6 mi) at a muzzle velocity of 820 meters per second (2,700 ft/s).
In addition to Israel, this weapon is in service with Chile, Singapore, Thailand, South Africa, Slovenia and Myanmar. A version of this weapon was developed to mount on a modified Centurion chassis (M-72), but this vehicle never reached production.
L-39 - An M4 Sherman chassis based self-propelled artillery piece mounting the Soltam M-71 155 mm L/39 howitzer in large enclosed superstructure, design of vehicle did not progress beyond the drawing board.