125 mm smoothbore rounds

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The following is a list of ammunition fired by 125 mm Smoothbore guns series used in the T-64, T-72, T-80 and T-90 tanks as well as the 2A45 Sprut Anti-Tank gun.

Contents 1 APFSDS-T 1.1 3VBM3/3BM9/10 1.2 3VBM6/3BM12/13 1.3 3VBM7/3BM15/16 1.4 3VBM8/3BM17/18 1.5 3VBM9/3BM22/23 1.6 3VBM10/3BM29/30 1.7 3VBM11/3BM26/27 1.8 3VBM13/3BM32/33 1.9 3VBM17/3BM42(3BM44) 1.10 3VBM19/3BM42M(3BM44M) 1.11 3VBM??/3BM46 (3BM48 "Svinets") 2 HEAT-FS 2.1 3VBK7/3BK12 2.1.1 3BK12M 2.2 3VBK10/3BK14 2.2.1 3BK14M 2.3 3VBK16/3BK18 2.3.1 3BK18M 2.4 3VBK17/3BK21 2.4.1 3BK21B 2.5 3VBK21/3BK25 2.6 3VBK25/3BK29 2.6.1 3BK29M 3 HE-FRAG-FS 3.1 3VOF22/3OF19 3.2 3VOF36/3OF26 4 References

[edit] APFSDS-T

Armour-piercing fin-stabilized discarding sabot or APFSDS rounds. Typically used against tanks.

[edit] 3VBM3/3BM9/10

Entered service in 1962. The projectile is Maraging steel.

• Country of origin: Soviet Union
• Projectile dimension: 410 mm 10: 1 L/d
• Projectile weight (including sabot): 5.67 kg
• Projectile weight: 3.6 kg
• Muzzle velocity: 1800 m/s
• Muzzle energy: 5.8 MJ
• Penetration: 245 mm at 0° at 2000 m, 80 mm at 60° at 2000 m, (energy at 2000 m is 4.2 MJ [1])

[edit] 3VBM6/3BM12/13

Entered service (estimated) in 1968. Essentially the same as the 3BM9 projectile with a tungsten-carbide plug.

• Country of origin: Soviet Union
• Projectile dimension: 410 mm 10: 1 L/d
• Projectile weight (including sabot): 5.67 kg
• Projectile weight: 3.6 kg
• Muzzle velocity: 1800 m/s
• Muzzle energy: 5.8 MJ
• Penetration: 280 mm at 0° at 2000 m, 110 mm at 60° at 2000 m, (energy at 2000 m is 4.2 MJ [2])

[edit] 3VBM7/3BM15/16

Entered service (estimated 1972). A slightly longer 3BM12 projectile.

• Country of origin: Soviet Union
• Projectile dimension: 435 mm 12: 1 L/d
• Projectile weight (including sabot): 5.9 kg
• Projectile weight: 3.9 kg including 2.9 kg and 0.27 kg tungsten carbide plug
• Muzzle velocity: 1780 m/s
• Muzzle energy: 6.2 MJ
• Penetration: 310 mm at 0° at 2000 m, 120 mm at 60° at 2000 m,

[edit] 3VBM8/3BM17/18

Entered service (estimated 1972). An export version of the 3BM-15 without the tungsten carbide plug.

• Country of origin: Soviet Union
• Projectile dimension: 450 mm 12: 1 L/d
• Projectile weight (including sabot): 5.9 kg
• Projectile weight: 3.9 kg
• Muzzle velocity: 1760 m/s
• Muzzle energy: 6.2 MJ
• Penetration: 290 mm at 0° at 2000 m, 110 mm at 60° at 2000 m,

[edit] 3VBM9/3BM22/23

Entered service 1976. tungsten carbide penetrator core sheathed in steel.

• Country of origin: Soviet Union
• Projectile dimension: 400 mm 11: 1 L/d
• Projectile weight (including sabot): 6.55 kg
• Projectile weight: 4.485 kg
• Muzzle velocity: 1760 m/s
• Muzzle energy: 7.0 MJ
• Penetration: 380 mm at 0° at 2000 m, 170 mm at 60° at 2000 m,

[edit] 3VBM10/3BM29/30

Entered service 1982. Depleted Uranium-nickel-iron alloy sheathed in steel.

• Country of origin: Soviet Union
• Projectile dimension: 450 mm 12: 1 L/d - including 250 mm core.
• Projectile weight (including sabot): 6.55 kg
• Projectile weight: 4.85 kg
• Muzzle velocity: 1700 m/s
• Muzzle energy: 7.0 MJ
• Penetration: 430 mm at 0° at 2000 m, 210 mm at 60° at 2000 m,

[edit] 3VBM11/3BM26/27

Entered service 1983. tungsten-nickel-iron alloy core sheathed in steel.

• Country of origin: Soviet Union
• Projectile dimension: 395 mm 11: 1 L/d
• Projectile weight (including sabot): 7.05 kg
• Projectile weight: 4.8 kg
• Muzzle velocity: 1720 m/s
• Muzzle energy: 7.5 MJ
• Penetration: 410 mm at 0° at 2000 m, 200 mm at 60° at 2000 m,

[edit] 3VBM13/3BM32/33

Entered service in 1985. The projectile is a depleted uranium-nickel-zinc alloy, sheathed in steel.

• Country of origin: Soviet Union
• Projectile dimension: 380 mm 13: 1 L/d
• Projectile weight (including sabot): 7.05 kg
• Projectile weight: 4.85 kg
• Muzzle velocity: 1700 m/s
• Muzzle energy: 7.0 MJ
• Penetration 500 mm at 0° at 2000 m, 250 mm at 60° at 2000 m,

[edit] 3VBM17/3BM42(3BM44)

Entered service in 1986. The projectile is a tungsten alloy core sheathed in steel.

• Country of origin: Soviet Union
• Projectile dimension: 452 mm 15: 1 L/d
• Round weight: 20.4 kg
• Projectile weight: 4.85 kg [3]
• Projectile weight (including sabot): 7.05 kg
• Muzzle velocity: 1700 m/s
• Muzzle energy: 7.0 MJ
• Penetration: 450 mm at 0° at 2000 m, 220 mm at 60° at 2000 m,

[edit] 3VBM19/3BM42M(3BM44M)

Entered service in 1994 Utilising an improved penetrator and a new Sabot. Reported to be tungsten alloy.

• Country of origin: Russia
• Projectile dimension: 570 mm 22: 1 L/d
• Round weight: ?
• Projectile weight (including sabot): 6.95 kg
• Muzzle velocity: 1750 m/s
• Muzzle energy: 7.4 MJ (estimated - assuming 4.85 kg projectile)
• Penetration: 600 mm to 650 mm at 2000 m

[edit] 3VBM??/3BM46 (3BM48 "Svinets")

Entered service in 1991 Utilising a new Sabot. Reported to be tungsten alloy.

• Country of origin: Russia
• Projectile dimension: 546 mm : 22 L/d
• Round weight: 4.85 kg
• Projectile weight (including sabot): ?.?? kg
• Muzzle velocity: 1700 m/s
• Muzzle energy: ?.? MJ
• Penetration: 600 mm at 0° at 2000 m, 300 mm at 60° at 2000 m

[edit] HEAT-FS

High-explosive anti-tank fin stabilised or HEAT-FS rounds. Typically used against tanks and Armoured personnel carriers.

[edit] 3VBK7/3BK12

Entered service 1962.

• Country of origin: Soviet Union
• Projectile dimension: 680 mm
• Projectile weight: 19 kg
• Max dispersion: 0.21 mil (0.21 mrad)
• Muzzle velocity: 905 m/s
• Charge: shaped charge, Steel liner, A-IX-1 (RDX phlegmatized with 5% wax), I-238 detonator
• Penetration: 420 mm RHA at 0 degrees.

[edit] 3BK12M

Entered service 1968. Uses improved 3V-15 detonator.

• Country of origin: Soviet Union

[edit] 3VBK10/3BK14

Entered service 1968.

• Country of origin: Soviet Union
• Projectile dimension: 680 mm
• Projectile weight: 19 kg
• Max dispersion: 0.21 mil (0.21 mrad)
• Muzzle velocity: 905 m/s
• Charge: shaped charge, Steel liner, phlegmatized 75% HMX, 25% TNT; 3V-15 detonator
• Charge weight: 1.62 kg
• Penetration: 450 mm RHA at 0 degrees.

[edit] 3BK14M

Improved version, replacing steel liner with a copper liner [4].

[edit] 3VBK16/3BK18

Entered service estimated 1975.

• Country of origin: Soviet Union
• Round weight: 29.0 kg
• Projectile dimension: 680 mm
• Projectile weight: 19 kg
• Max dispersion: 0.21 mil (0.21 mrad)
• Muzzle velocity: 905 m/s
• Charge: shaped charge, copper liner, phlegmatized 75% HMX, 25% TNT; 3V-15 detonator
• Penetration: 500 mm RHA at 0 degrees.

[edit] 3BK18M

Improved warhead. Entered service estimated 1978. Introduces wave shaping booster.

• Country of origin: Soviet Union
• Projectile weight: 19.02 kg
• Muzzle velocity: 905 m/s
• Penetration: 550 mm RHA at 0 degrees.

[edit] 3VBK17/3BK21

Entered service estimated 1980. Enhancements to improve reliability of the copper jet formation.

• Country of origin: Soviet Union
• Projectile dimension: 680 mm
• Projectile weight: 19 kg
• Max dispersion: 0.21 mil (0.21 mrad)
• Muzzle velocity: 905 m/s
• Charge: shaped charge, copper liner, phlegmatized 75% HMX, 25% TNT; 3V-15 detonator
• Penetration: 550 mm RHA at 0 degrees.

[edit] 3BK21B

Entered service estimated 1982. Depleted uranium Liner to enhance penetration of advanced composite armours like Chobham.

• Country of origin: Soviet Union
• Projectile dimension: 680 mm
• Projectile weight: 19 kg
• Muzzle velocity: 905 m/s
• Penetration: 750 mm RHA at 0 degrees [5].

[edit] 3VBK21/3BK25

Entered service estimated 1985.

• Country of origin: Soviet Union
• Muzzle velocity: 905 m/s

[edit] 3VBK25/3BK29

Entered service estimated 1988.

• Country of origin: Soviet Union
• Round weight: 28.4 kg
• Projectile dimension: 680 mm
• Projectile weight: 18.4 kg
• Muzzle velocity: 915 m/s
• Penetration: Estimated at 650 mm tandem charge

[edit] 3BK29M

First seen publicly in 1998. Reportedly a triple charge warhead [6].

• Country of origin: Russia
• Projectile weight: 18.4 kg
• Charge weight: 1.62 kg
• Muzzle velocity: 915 m/s
• Penetration: Estimated at 800 mm triple charge HEAT [7] [8].

[edit] HE-FRAG-FS

High Explosive Fragmentation Fin Stabilised. General purpose rounds, for use against infantry, bunkers and vehicles.

[edit] 3VOF22/3OF19

Entered service in 1962. Uses the 3V-21 detonator (mass = 0.431 kg, reliability = 0.98). The 90% lethal zone for infantry is reported to be 40 m wide and 20 m deep [9].

• Country of origin: Soviet Union
• Round weight: 33.0 kg
• Projectile weight: 23.0 kg
• Muzzle velocity: 850 m/s
• Max dispersion: 0.23 mil (0.23 mrad)
• Charge weight: 3.148 kg
• Charge: TNT

[edit] 3VOF36/3OF26

Entered service in 1970 Uses the 3V-21 detonator (mass = 0.431 kg, reliability = 0.98). The projectile creates between 600 and 2,000 fragments.

• Country of origin: Soviet Union
• Round weight: 33.0 kg
• Projectile weight: 23.0 kg
• Muzzle velocity: 850 m/s
• Max dispersion: 0.23 mil (0.23 mrad)
• Charge weight: 3.148 kg
• Charge: A-IX-2 (73% RDX, 23% aluminium powder, phlegmatized with 4% wax) 3.4 kg

[edit] References

• http://armor.kiev.ua/fofanov/Tanks/ - Extensive information
• (German) http://www.kotsch88.de/m_125_mm_d-81.htm
• http://www.knoe.odgw.net/Military/125.htm - table of data culled from various sources see http://63.99.108.76/forums/index.php?showtopic=8450&hl=3bk29&st=20 for discussion on the data.
• http://www.milparade.com/catalog/pdf/687.pdf
• http://www.milparade.com/catalog/pdf/688.pdf
• http://www.milparade.com/catalog/pdf/689.pdf
• http://www.geocities.com/Pentagon/Base/1852/Headstamp.html - Explosive compositions and designations