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Overview[]

The HK54, also known as HK9, is a German submachine gun developed by HK in the 1960s.

The HK54 was further developed into the HK MP5.

Nomenclature[]

The name HK54 comes from the HK naming system for firearms. The 5 stands for a combat firearm, and the 4 stands for a weapon chambered in 9x19mm Parabellum.

Prior to the naming scheme being created in 1965, the HK54 was known as HK9.

Variants[]

HK 54
Prototype model.
HK MP5
Original production model from 1966 with SEF trigger group and fixed stock.
HK MP5A1
Original production model with SEF trigger group and collapsible stock. (?)
HK MP5A2
Model with SEF trigger group and fixed stock.
HK MP5NA2
Model with 5-1-0 trigger group and fixed stock.
HK MP5A3
Model with SEF trigger group and collapsible stock.
HK MP5NA3
Model with 5-1-0 trigger group and collapsible stock.
HK MP5A4
Model with 5-3-1-0 trigger group and fixed stock.
HK MP5A5
Model with 5-3-1-0 trigger group and collapsible stock.
HK MP5 MLI
Mid-Life Improvement model from 2013 with rail interface systems and with RAL 8000 default colour scheme.

Suppressed models (SD)
HK MP5SD
Original model from 1974 with SEF trigger group and fixed stock. (?)
HK MP5SD1
Model with 5-1-0 trigger group and no stock.
HK MP5SD2
Model with 5-1-0 trigger group and fixed stock.
HK MP5SD3
Model with 5-1-0 trigger group and collapsible stock.
HK MP5SD4
Model with 5-3-1-0 trigger group and no stock.
HK MP5SD5
Model with 5-3-1-0 trigger group and fixed stock.
HK MP5SD6
Model with 5-3-1-0 trigger group and collapsible stock.
HK MP5SDN1
..?
HK MP5SDN2
..?

Compact models (K)
HK MP5K (Nr. 0001)
Prototype model with unique foregrip.
HK MP5K
Model with SEF trigger group and no stock.
HK MP5KN
Model with 5-1-0 trigger group and no stock.
HK MP5KA1
Model with SEF trigger group and no stock. Low profile iron sights.
HK MP5KA4
Model with 5-3-1-0 trigger group and no stock.
HK MP5KA5
Model with 5-3-1-0 trigger group and no stock. Low profile iron sights.
HK MP5KPDW
Compact model with 5-1-0 trigger group and a folding stock.

Other models
HK MP5/10
Chambered in 10mm Auto. 5-1-0 trigger group and fixed stock.
HK MP5/40
Chambered in .40 S&W. 5-2-1-0 trigger group and fixed stock.
HK MP5PT
..
HK MP5SFA2
..
HK MP5SFA3
..
HK 94 A2
Long barrel semi auto civilian firearm with fixed stock.
HK 94 A3
Long barrel semi auto civilian firearm with collapsible stock.

Derivatives

HK MP5 PT
"Plastic Training" model firing plastic ammunition.
HK SMG
Prototype improved MP 5.
HK SP 5
2019 civilian HK MP 5 N A2.
HK SP 5 K
2016 updated SP 89 with MIL-STD-1913 Picatinny Rail.
HK SP 89
Modified MP 5 K in semi-auto only and with no stock. For export to USA as a pistol, but was banned from import in less than a year.

Foreign

CS/LS3
Chinese clone.
GSG-5
German Sport Guns .22lr conversion.
LDT HSG-94
Luxembourgian semi auto HK MP 5 A2.
LDT HSG-94K
Luxembourgian semi auto HK MP 5 K.
OFB Anamika 9mm
Indian clone.
POF-4 PISTOL
Pakistani POF produced semi auto HK MP 5 K.
POF-5 PISTOL
Pakistani POF produced semi auto HK MP 5 A2 (?).
PTR 9
Series of US civilian firearms.
RDTS MP5KSD
Red Dog Target Supplies custom conversion.
Special Weapons MP-10
US-made compact civilian carbine.
Special Weapons SP-10
US-made civilian carbine.
Submachine Gun, 9mm, L80A1
British service HK MP 5 K.
Submachine Gun, 9mm, L90A1
British service HK MP 5 K A1.
Submachine Gun, 9mm, L91A1
British service HK MP 5 A3.
Submachine Gun, 9mm, L92A1
British service HK MP 5 SD3.
T-94A
Turkish civilian HK MP 5 A2.
T-94K
Turkish civilian HK MP 5 K.
T-94P
Turkish HK 94 A2.
T-94SD
Turkish civilian HK MP 5 SD2.
Tihraga
Sudanese MIC produced Tondar.
Tondar
Iranian DIO produced HK MP 5 A3.
Tondar Light
Iranian DIO produced HK MP 5 K.


Service[]

The HK54 was adopted by the West German Bundespolizei, Bundesgrenzschutz, and limited service with military forces. The weapon was later adopted with changes into the Bundeswehr as the MP 5.

Heckler & Koch Products
Firearms HK
Military Rifles 313233 (A2A3A4EA3SG1)365053237241337416 (A5A7A8C)417 (A2)433437G3 (A1A2A3NA3A3A1A4KA4A4A1KA4A1A5A6A7A7A1)G11 (K1K2)G36 (A1A2CC3EKKEKVV)G41 (A1A2A3K)GR2GR3 (EA2K)MSG90 (A1SDN)PSG1 (A1)XM8XM29
Civilian Rifles 91 (A2A3)93 (A2A3)94 (A2A3)243293770940MR308MR556 (A1)MR762 (A1)SL6SL7 (Match)SL8USC
Submachine Guns 54MP5 (A1A2A3A4A5KKNKA1KA4KA5MLINA2NA3SD1SD2SD3SD4SD5SD6SDN1SDN2/10/40)MP7 (A1A2)UMP (94045)
Machine Guns 11 (A1E)1213 (E)21 (A1E)23 (E)25121123GR6GR9M27 IARMG4 (EEinbauwaffeKKE)MG5 (A1A2S)MG36
Shotguns 512CAWSFP6
Pistols 4HK45 (CCTT)1911Mark 23P2 (A1)P7P9P11P30 (LSDSKSKS)P46P2000 (SK)SFP (99L9LOR9M9MOR9OR9SK40)UCPUSP (99 Custom Sport9 Elite9 Expert4040 Custom Sport40 Expert4545 Custom Sport45 Elite45 Expert45T)VP (94045)
Grenade Launchers 69 (A1)79169269AG36GMGM320XM25XM29
Ammunition
Cartridges 4.6x30mm HK4.6x36mm HK
Flag of Germany Germany
Weapons
Cold War Period (1946 — 1990)
Infantry Weapons
Melee Weapons Bayonet [[]]
Survival Weapon [[]]
Sidearms Pistol CRWPHK4P 80
Revolver [[]]
Machine Pistol [[]]
Close Quarters Personal Defense Weapon CRWPMP7 (A1A2)
Submachine Gun HK54MP5 (A1A2A3A4A5)MP 60MP 61MP 64
Shotgun (automatic) [[]]
Shotgun (semi-automatic) HK 512HK CAWS
Shotgun (manual-action) [[]]
Primary Weapons Assault Rifle (5.45/5.56) HK33 (A2A3)G41 (A1A2A3)
Assault Rifle (other) HK36HK G11IWK G11
Assault Carbine (5.45/5.56) HK53G 41 K
Assault Carbine (other) [[]]
Battle Rifles HK41HK G3 (A1A2A3NA3A4A5A6A7A7A1)G 1G 2G 3 (A1A2A3N A3A4A5A6A7A7 A1)G 4
Battle Carbine G 3 K (A4A4 A1)
Automatic Support Weapons Light Support Weapon HK11HK13G8 (A1)
Light Machine Gun [[]]
General Purpose Machine Gun HK21 (A1E)HK23MG 1MG 2MG 3 (A1)
Heavy Machine Gun HK25
Long Range Anti-Materiel Rifle [[]]
Bolt-Action Rifle [[]]
Designated Marksman Rifle HK33SG1
Launchers Grenade Launcher (Attachment) [[]]
Grenade Launcher (Standalone) [[]]
Disposable Rocket Launcher [[]]
Rocket Launcher [[]]
MANPADS [[]]
Non-Lethal Weapons Pistol [[]]
Underwater Weapons Sidearm P11
Rifle [[]]
Explosives Anti-Personnel Mines [[]]
Anti-Tank Mines [[]]
Offensive Grenades [[]]
Smoke Grenades [[]]
Firearm Accessories
Weapon Sights Collimator [[]]
Holographic [[]]
Iron [[]]
Night BiV • DM 3
Reflector [[]]
Telescopic FERO-Z 24ZF 4xZF G3
Attachments Flashlights & Lasers [[]]
Foregrips & Bipods [[]]
Infantry Equipment
Clothing Backpacks [[]]
Body Armour [[]]
Bomb Suit [[]]
Elbow and knee pads [[]]
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Suits [[]]
Vests & Webbing [[]]
Headwear Communication [[]]
Gas Masks & Rebreathers [[]]
Goggles [[]]
Helmets [[]]
Vehicle Headwear [[]]
Optics, Detection and Surveillance Man-Portable Radar [[]]
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Periscopes [[]]
Rangefinders [[]]
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Artillery
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Anti-Tank Guns [[]]
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Anti-Tank Guided Missiles [[]]
Grenade Machine Guns [[]]
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Mortars [[]]
Railroad Artillery [[]]
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Siege Artillery [[]]
Land Vehicle Weapons
Vehicle Machine Guns HK MG 5A1
40mm Tank Guns [[]]
75mm Tank Guns [[]]
76.2mm Tank Guns [[]]
84mm Tank Guns [[]]
94mm Tank Guns [[]]
105mm Tank Guns [[]]
120mm Tank Guns [[]]
Howitzers [[]]
Vehicle Autocannon [[]]
ATGMs [[]]
Aircraft Weapons & Munitions
7.62mm Machine Guns [[]]
12.7mm Machine Guns [[]]
23mm Cannons [[]]
30mm Cannons [[]]
37mm Cannons [[]]
Rocket Pods [[]]
Rockets [[]]
Air-to-Air Missiles [[]]
Air-to-Ship Missiles [[]]
Air-to-Surface Missiles [[]]
Anti-Radiation Missiles [[]]
Cruise Missiles [[]]
Bombs [[]]
Sources
Books Online Documents
• The G3 Battle Rifle - Leroy Thompson (ISBN 9781472828644)
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