Specifications for the
Heckler & Koch HK G3
Assault Rifle / Carbine / Designated Marksman Rifle / Sniper Rifle
Country of Origin: Germany
Manufacturer: Heckler & Koch GmbH (among others, see text) - West Germany / Germany
Initial Year of Service: 1959
Overall Length: 1025 mm (40.35 in)
Barrel Length: 450.00 mm (17.72 in)
Weight (Empty): 9.70 lb (4.40 kg)
Caliber*: 7.62x51mm NATO
Action: Roller-Delayed Blowback
Feed: 20-Round Detachable Box Magazine
Muzzle Velocity: 2,625 ft/sec (800 m/sec)
Rate-of-Fire: 500 rounds per minute
Range: 1,312 ft (400 m; 437 yds)
Sights: Adjustable Iron Front and Rear; Optional Optics
* Listed caliber(s) for firearms may be model dependent if more than one model type/chambering was produced. Always consult official manufacturer's information or a licensed dealer.
G3 - Base production model with wooden buttstock; largely based on the Spanish CETME Modelo B model series.
G3A1 - Retractable buttstock
G3A2 - Rotary rear-sight
G3A3 - Final production model; Front sight modification; Improved flash suppressor.
G3A3A1 - Ambidextrous fire selector; brass ejection port deflector.
G3A3Z 'zielfernrohr' - Telescopic sights added.
G3A4 - Similar to 3A3 with collapsible stock.
G3A4A1 - Ambidextrous fire selector; brass ejection port deflector.
G3KA4 - Carbine Form of the G3; collapsible stock.
G3KA4A1 - Similar to G3KA4; ambidextrous fire selector; brass ejection port deflector.
G3A5 - Danish-produced G3A3 models
G3A6 - Iranian-produced and licensed variant.
G3A7 - Turkish-produced and licensed variant.
G3A7A1 - Turkish-produced and licensed variant of German G3A4 model.
G3A3ZF - Optics Support across upper receiver
G3SG/1 - Special accurized sniper rifle version of the G3.
HSG1 - Luxembourg-produced and licensed variant.
Gv M/75 - Leased Danish versions from German Army
AG-3 - Norwegian-produced variant
AG-3F1 - Norwegian-produced variant; collapsible stock.
AG-3F2 - Norwegian-produced variant; improved AG-3F1; Picatinny rail support; integrated foregrip.
Ak 4 - Swedish-produced variant based on G3A3.
G3P4 - Pakistani-produced variant of G3A4
DIO G3 - Iranian-produced variant in bullpup form.
G3TGS - HK79 40mm underslung grenade launhcer support.
MSG3 - Revised scope mount
PSG-1 - Dedicated sniper rifle form for police use; free-floating barrel; ergonomic comforts; semi-automatic fire only.
MSG-90 - Cost-effective military version of the PSG-1; semi-automatic fire only.
HK41 - Police/Civilian version; semi-automatic fire only.
HK91 - Civilian Version
HK911 - Revised HK91 for US civilian gun market
SR9 (T) "Target" - Revised US civilian market sporting form.
SR9 (TC) "Target Competition" - Revised US civilian market sporting form.
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