D-10 tank gun

D-10 tank gun
D-10S gun on an SU-100 tank destroyer
Type	Rifled tank/antitank gun
Place of origin	Soviet Union
Service history
In service	1944 – present
Wars	see SU-100 and T-54
Production history
Designer	F. F. Petrov
Variants	D-10S, D-10T, D-10TG, D-10T2S
Specifications
Mass	1,438 kg (3,170 lbs)
Length	5.608 m (18 ft 4.8 in)
Barrel length	5.35 m (17 ft 7 in) L/53.5
Shell	Fixed QF 100 × 695 mmR
Calibre	100 mm (3.93 in)
Breech	horizontal sliding wedge (semi-automatic)
Recoil	hydraulic buffer and hydropneumatic recuperator
Carriage	vehicle mount
Elevation	+18°, –3°
Rate of fire	4 rounds/min avg 5–6 rounds/min max.
Muzzle velocity	1,000 m/s (3,281 ft/s)
Maximum firing range	14,600 m[1] (16,000 yds), or 16,000 m[2] (17,500 yds)

The D-10 is a Soviet 100 mm tank gun developed in late World War II. It originally equipped the SU-100 tank destroyers and was later selected for the T-55 tank, equipping these as late as 1979. On the T-55 the D-10 continues to be in active service in many countries.