Overview [ ]
HK 91 A3
Designer Companies
Heckler & Koch
Manufacturer
Heckler & Koch
Period Produced
1970s - 1990s
Action
Roller-delayed blowback
Feed System
Detachable box magazine
Ammunition Loading
HK G3 compatible magazines: • 5-rnd • 20-rnd • 30-rnd
Stock Type
Collapsible stock
Rail Type
HK "claw mount" socket
The HK 91 A3 is a German civilian firearm developed in the 1970s.
Variants [ ]
HK 91 A2
Model with fixed stock.
HK 91 A3
Model with collapsible stock.
HK 91 A4
Model with fixed stock and select polygonal bore.
HK 91 A5
Model with collapsible stock and select polygonal bore.
Foreign
SAR-8
Greek license copy imported into the USA by Springfield Armory, Inc. .
Heckler & Koch Products
Firearms
File:HK.svg
Military Rifles
31 • 32 • 33 (A2 • A3 ) • 36 • 50 • 53 • 237 • 241 • 337 • 416 (A5 • A7 • A8 • C ) • 417 (A2 ) • 433 • 437 • G 3 (A1 • A2 • A3 • N A3 • A3 A1 • A4 • K A4 • A4 A1 • K A4 A1 • A5 • A6 • A7 • A7 A1 ) • G 11 (K1 • K2 ) • G 36 (A1 • A2 • C • C3 • E • K • KE • KV • V ) • G 41 (A1 • A2 • A3 • K ) • GR2 (C • S ) • MSG 90 (A1 • SDN ) • PSG 1 (A1 ) • XM8 • XM29
Civilian Rifles
91 (A2 • A3 ) • 93 (A2 • A3 ) • 94 (A2 • A3 ) • 243 • 293 • 770 • 940 • MR 308 • MR 556 (A1 ) • MR 762 (A1 ) • SL6 • SL7 (Match ) • SL8 • USC
Submachine Guns
54 • MP 5 (A1 • A2 • A3 • A4 • A5 ) • MP 7 (A1 • A2 ) • UMP (9 • 40 • 45 )
Machine Guns
11 (A1 • E ) • 13 (E ) • 21 (A1 • E ) • 23 (E ) • 25 • 121 • 123 • GR6 (C • S ) • GR9 (C • S ) • MG 4 (E • K • KE ) • MG 5 (A1 • A2 • S ) • MG 36
Shotguns
512 • CAWS • FP6 • M27 IAR
Pistols
4 • HK 45 (Compact • Compact Tactical • Tactical ) • 1911 • Mark 23 • Mk 23 • P 2 (A1 ) • P 7 • P 9 • P 11 • P 30 (L • SD • SK • SK S ) • P 46 • P 2000 (SK ) • SFP (9 • 9 L • 9 L OR • 9 M • 9 Match OR • 9 OR • 9 SK • 40 ) • UCP • USP (9 • 9 Custom Sport • 9 Elite • 9 Expert • 40 • 40 Custom Sport • 40 Expert • 45 • 45 Custom Sport • 45 Elite • 45 Expert • 45 Tactical ) • VP (9 • 40 • 45 )
Grenade Launchers
69 (A1 ) • 79 • 169 • AG 36 • GMG • M320 • XM25 • XM29
Ammunition
Cartridges
4.6x30mm HK • 4.6x36mm HK
Infantry Weapons
Melee Weapons
Bayonet
[[]]
Survival Weapon
[[]]
Sidearms
Pistol
HK 45 (Compact • Compact Tactical • Tactical ) • Mark 23 • P 8 • P 30 (L • SD • SK • SK S ) • P 46 • P 2000 • SFP (9 • 9 L • 9 L OR • 9 M • 9 Match OR • 9 OR • 9 SK • 40 ) • UCP • USP (9 • 9 Custom Sport • 9 Elite • 9 Expert • 40 • 40 Custom Sport • 40 Expert • 45 • 45 Custom Sport • 45 Elite • 45 Expert • 45 Tactical )
Revolver
[[]]
Machine Pistol
[[]]
Close Quarters
Personal Defense Weapon
MP7 (A1 • A2 )
Submachine Gun
HK PDW • MP 5 (A1 • A2 • A3 • A4 • A5 ) • MP 60 • MP 61 • MP 64 • UMP (9 • 40 • 45 ) • USC
Shotgun (automatic)
[[]]
Shotgun (semi-automatic)
[[]]
Shotgun (manual-action)
HK FP6
Primary Weapons
Assault Rifle (5.45/5.56)
CR223 • HK 50 • HK 237 • HK 337 • HK 416 (A5 • A7 • A8 ) • HK 433 • HK 437 • G36 (A1 • A2 ) • XM8 • XM29
Assault Rifle (other)
[[]]
Assault Carbine (5.45/5.56)
HK 416C
Assault Carbine (other)
[[]]
Battle Rifles
HK 417 • G 3 (A1 • A2 • A3 • N A3 • A4 • A5 • A6 • A7 • A7 A1 ) • G 28
Battle Carbine
[[]]
Automatic Support Weapons
Light Support Weapon
[[]]
Light Machine Gun
HK GR6 (C • S ) • HK GR9 (C • S ) • HK MG 36
General Purpose Machine Gun
HK 121 • HK 123 • MG 3 (A1 ) • MG 4 • MG 5 (A1 )
Heavy Machine Gun
[[]]
Long Range
Anti-Materiel Rifle
[[]]
Bolt-Action Rifle
[[]]
Designated Marksman Rifle
[[]]
Launchers
Grenade Launcher (Attachment)
[[]]
Grenade Launcher (Standalone)
XM25
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
[[]]
Infantry Equipment
Clothing
Backpacks
[[]]
Body Armour
[[]]
Bomb Suit
[[]]
Elbow and knee pads
[[]]
Signals & IFF
[[]]
Suits
[[]]
Vests & Webbing
[[]]
Headwear
Communication
[[]]
Gas Masks & Rebreathers
[[]]
Goggles
[[]]
Helmets
[[]]
Vehicle Headwear
[[]]
Optics, Detection and Surveillance
Man-Portable Radar
[[]]
Mine Detectors
[[]]
Night Vision Goggles
[[]]
Periscopes
[[]]
Rangefinders
[[]]
Surveillance
[[]]
Artillery
Anti-Aircraft Guns
[[]]
Anti-Tank Guns
[[]]
Anti-Tank Guided Missile Launchers
[[]]
Anti-Tank Guided Missiles
[[]]
Grenade Machine Guns
[[]]
Howitzers
[[]]
Mortars
[[]]
Railroad Artillery
[[]]
Recoilless Guns
[[]]
Rocket Artillery
[[]]
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
[[]]