100 mm air defense gun KS-19

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100 mm air defense gun KS-19
KS-19 in Saint Petersburg Artillery Museum.
TypeAnti-aircraft gun
Place of originSoviet Union
Service history
WarsKorean war
Vietnam war
Production history
DesignerL. V. Lulyev
Mass9,550 kg (21,054 lbs)
Length9.45 m (31 ft)
Barrel length5.7 m (18 ft 8 in)[1]
Width2.35 m (7 ft 8 in)
Height1.60 m (5 ft 3 in)

ShellFixed QF 100×695 mm. R[1]
Caliber100 mm (3.94 in)
BreechSemi-automatic horizontal sliding-wedge[1]
Rate of fire15 rounds per minute
Muzzle velocity900-1,000 m/s
Maximum firing rangeHorizontal: 21 km (13 mi)
Vertical: 12,700 m (41,667 ft) timed fuse.
15,000 m (49,213 ft) proximity fuse.

100 mm air defense gun KS-19 (Russian: 100-мм зенитная пушка КС-19) was a Soviet anti-aircraft gun. Initially deployed aboard ships as the B-34 during the Second World War, a ground-mounted version was introduced into service after the war as the KS-19.

The KS-19 is a heavy towed anti aircraft gun that has largely disappeared from front line arsenals due to increased use of more effective surface-to-air missiles. Being a towed weapon an external form of mobility was required, usually an AT-S Medium or AT-T Heavy tracked artillery tractor. The 15 man crew were carried on the tractor along with ready use ammunition for the gun.[2] Ammunition was loaded as a single round into the loading tray and a well trained crew could fire 15 rounds maximum per minute.[2]

Anti Aircraft ammunition includes high explosive, high explosive fragmentation and fragmentation types. The KS-19's onboard sights can be used to engage air targets; however increased accuracy was achieved if used in conjunction with a fire control radar such as the SON 9 (NATO Reporting name 'Fire Can') and PUAZO-6/19 director.[2]

As the KS-19 is a heavy calibre Anti-Aircraft gun it also has some utility in the ground role especially against armored targets. As a result of this two armor piecing rounds were produced: the AP-T (Armour Piercing-Tracer) and APC-T (Armour Piercing Capped-Tracer) with the AP-T round reportedly able to penetrate 185 mm of armor at 1000 m.[2]

The KS-19 was used in action by communist forces in both Korea and Vietnam.

Recently[when?] Iran has built an upgraded automatic version of KS-19 named Sa'ir.[3]


Current operators

Former operators


  1. ^ a b c Foss, Christopher (1977). Jane's pocket book of towed artillery. New York: Collier. p. 257. ISBN 0020806000. OCLC 911907988.
  2. ^ a b c d Bishop C and Drury I. The Encyclopedia of World Military Power (1988). Temple Press/Aerospace publishing.
  3. ^ "Archived copy". Archived from the original on 2012-01-26. Retrieved 2012-12-22.CS1 maint: archived copy as title (link)
  4. ^ Cuban Revolutionary Armed Forces#Towed artillery
  5. ^ [1]
  6. ^ IISS 2007, p.236
  7. ^ a b c d e f Military Factory
  8. ^ Trade Registers. Armstrade.sipri.org. Retrieved on 12 June 2015
  9. ^ Equipment of the Syrian Army#Towed anti-aircraft artillery

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