This is a mostly-complete guide to every weapons system and variant made or imported by HK, current and past. Obviously this is an ambitious task, so feedback on things that are missing or wrong would be welcome. Or, if you know of a good online article about an HK product, write to me and I'll add a link.
Sorry there are no pictures of the guns on this page. Wanted to keep the page where it would load quickly. Follow the links to see what the guns look like.
G3A1
Select-fire 7.62 NATO rifle, side-folding stock, flip over rear sight (discontinued)
G3A2
Select-fire 7.62 NATO rifle, side-folding stock, rotating rear sight (discontinued)
G3A3
Select-fire 7.62 NATO rifle, fixed stock
G3A3Z
Select-fire 7.62 NATO rifle, fixed stock, scope
G3A4
Select-fire 7.62 NATO rifle, retractable stock
G3A4Z
Select-fire 7.62 NATO rifle, retractable stock, scope
G3K
Select-fire 7.62 NATO rifle, retractable stock, short-barreled (12.4 inch)
G3SG/1
Select-fire 7.62mm NATO sniper rifle. Set trigger, optical sight, adjustable cheekpiece. Developed for the German Army.
The HK G3SG/1 (HK Pro)
HK Sniper and Target Rifles (Unofficial H&K Home Page)
G3-TGS
G3 rifle with attached HK79 grenade launcher
HK81
Select-fire 7.62 NATO police tactical rifle, similar to G3 with HK21 buttstock, telescopic sight (x1.5-6), and integral bipod.
MSG3
Semi-auto 7.62 NATO rifle, sniper. Non-strengthened receiver. Optical and iron sights. Adjustable cheekpiece. Developed for the German Army.
The HK MSG3 (HK Pro)
MSG90
Semi-auto 7.62 NATO rifle, sniper. Strengthened receiver. Optical sights. Adjustable cheekpiece.
Special Application Products (Heckler & Koch USA)
The HK MSG90 (HK Pro)
HK MSG90 (Remtek)
HK Sniper and Target Rifles (Unofficial H&K Home Page)
PSG1
Semi-auto 7.62 NATO rifle, sniper. 600mm polygonal barrel. Strengthened receiver. Optical sights (x6). Adjustable cheekpiece. Banned from US import.
Special Application Products (Heckler & Koch USA)
The HK PSG1
H & K Takes Aim With New PSG1 - John Satterwhite (Remtek)
HK Sniper and Target Rifles (Unofficial H&K Home Page)
HK PSG-1 High Precision Marksman's Rifle (Fountain Firearms)
HK91A2
Semi-auto 7.62 NATO rifle, fixed stock. Banned from US import 1989.
HK91A3
Semi-auto 7.62 NATO rifle, retractable stock. Banned from US import 1989.
HK911
Semi-auto 7.62 NATO rifle. HK91 with name change to comply with 1989 US weapons ban. Fewer than 1000 made. (discontinued)
HK41
Semiautomatic 7.62 NATO rifle. Predecessor to the HK91. Three variants exist, manufactured 1965, 1966, and 1974. 1965 and 1966 variants have push-pin
lowers, and were available in both select-fire and semiautomatic models.
1974 variant does not have a push-pin lower and was only available as a semiautomatic. Duncan Long's "Assault Pistols, Rifles, and Submachine Guns" incorrectly refers to the G41 as HK41.
SR9
Semi-auto 7.62 NATO rifle. "Sporterized" rifle designed to comply with US "sporting purpose" restrictions. No flash hider. Thumbhole stock. Polygonal barrel. Enhanced buffer system.
SR9(T)
Semi-auto 7.62 NATO rifle, MSG90 buttstock, PSG1 trigger group, PSG1 handgrip. Was deemed by ATF to have sufficient "sporting purpose" to have pistol grip when the standard SR9 was not.
SR9(TC)
Semi-auto 7.62 NATO rifle, PSG1 buttstock, PSG1 trigger group, PSG1 handgrip
HK33A2
Select-fire 5.56 NATO rifle, fixed stock
HK33EA2
HK33A2, export version
HK33EA3
HK33A3, export version
HK33ESA3
HK33A3, export version, desert camouflage
HK33A3
Select-fire 5.56 NATO rifle, retractable stock
HK33K
Select-fire 5.56 NATO rifle, retractable stock, short-barreled
HK33KEA3
HK33K, export version
HK33KA2
Select-fire 5.56 NATO rifle, fixed stock, short-barreled
HK33KA2 Technical Specifications (Remtek)
HK33SG1 / HK33SG/1
Select-fire 5.56mm NATO sniper rifle. Set trigger, optical sight, adjustable cheekpiece.
The HK 33SG/1 (HK Pro)
HK Sniper and Target Rifles (Unofficial H&K Home Page)
HK33-TGS
HK33 rifle with attached HK79 grenade launcher
HK33E-TGS
Export version of HK33-TGS
HK53A3
Select-fire 5.56 NATO rifle, retractable or no stock, short-barreled
G41A2
HK33 modified for NATO SS-109 round, uses 1/7 twist and M-16 mags (discontinued)
G41K / G41KA3
G41 rifle, short barreled (380mm) (discontinued)
G41-TGS
G41 rifle with attached HK79 grenade launcher (discontinued)
HK93A2
Semi-auto 5.56 NATO rifle, fixed stock. Banned from US import 1989.
HK93A3
Semi-auto 5.56 NATO rifle, retractable stock. Banned from US import 1989.
HK43
Semiautomatic 5.56 NATO rifle. Predecessor to the HK93. Manufactured and sold in US only in 1974. Fewer than 400 produced. Does not have push-pin lower. Subject to a recall by SACO for not having the flash-hider permanently affixed to the barrel resulting in it being considered a "short barrel rifle."
HK32A2
Select-fire 7.62 Soviet rifle, fixed stock
HK32A3
Select-fire 7.62 Soviet rifle, retractable stock
HK32KA1
Select-fire 7.62 Soviet rifle, retractable stock, short-barreled
HK32KA2
Select-fire 7.62 Soviet rifle, fixed stock, short-barreled
HK32KA3
Select-fire 7.62 Soviet rifle, retractable stock, short barreled
G36E
Select-fire 5.56 NATO rifle
G36K
Select-fire 5.56 NATO carbine
MG36
Select-fire 5.56 NATO light support weapon
SL8
Semi-auto 5.56 NATO rifle, fixed stock, civilian version of G36
SL8-1
U.S. version of SL8. Modified to use a single-stack magazine to comply with a 1999 ATF decree prohibiting import of firearms accepting magazines of over 10 rounds
MP5A2
Select-fire 9mm submachine gun, fixed stock. Developed 1964.
MP5A3
Select-fire 9mm submachine gun, retractable stock
MP5A4
Select-fire 9mm submachine gun, fixed stock. 4-position trigger group.
MP5N
Select-fire 9mm submachine gun, retractable stock, threaded barrel, tritium front sight, ambidextrous trigger group. Navy Seal version
MP5SF / MP5SFA2
Semi-automatic 9mm carbine, fixed stock
HK54
Select-fire, 9mm submachine gun, based on MP5A2 and A3, used by German police. The term HK54 also is used by other sources to refer to the original MP5 prototype.
MP5K
Select-fire 9mm submachine gun, short-barreled, stockless, vertical foregrip. Introduced 1976.
MP5KA1
MP5K with small post front sight, no rear sights.
MP5KA4
Select-fire 9mm submachine gun, short-barreled. 4-position trigger group.
MP5KA5
MP5KA1 with 4-position trigger group.
MP5KN
Select-fire 9mm submachine gun, short-barreled, threaded barrel, Navy Seal version
MP5K-PDW
Select-fire 9mm submachine gun, short-barreled, side-folding stock, threaded barrel, has foregrip. Introduced 1991.
HK MP5K PDW (Remtek)
MP-5K PDW (Gil's Guns)
MP5KPDW (rec.guns FAQ)
MP5SD1
Select-fire 9mm submachine gun, stockless, surpressed
MP5SD2
Select-fire 9mm submachine gun, fixed stock, surpressed
MP5SD3
Select-fire 9mm submachine gun, retractable stock, surpressed
MP5/10A2
Select-fire 10mm submachine gun, fixed stock, bold hold-open, 4-position trigger group. Used by FBI.
MP5/10A3
Select-fire 10mm submachine gun retractable stock, bold hold-open, 4-position trigger group. Used by FBI.
MP5/40A2
Select-fire .40 S&W submachine gun, fixed stock
MP5/40A3
Select-fire .40 S&W submachine gun, retractable stock
HK94A2
Semi-auto 9mm carbine, 16" barrel, fixed stock. Banned from US import 1989.
HK94A3
Semi-auto 9mm carbine, 16" barrel, retractable stock. Banned from US import 1989.
SP89
Semi-auto 9mm large frame pistol. "Sport Pistole 1989". Banned from US import 1993.
HK SP89 (Remtek)
SP89 (HK Pro)
SP-89 Pistol (Gil's Guns)
SP89 (rec.guns FAQ)
HK UMP SMG (UMP45)
.45 ACP select-fire submachinegun. Introduced in 1999.
HK USC45
.45 ACP semi-automatic carbine. "Sporterized" civilian counterpart to UMP45. Scheduled for introduction February 2000.
USC .45 ACP Carbine (Heckler & Koch USA)
HKPRO Page Updates (includes picture of USC45) (HK Pro)
HK4 (P11)
.22 LR / .25 ACP / .32 ACP, .380 handgun. Developed 1962. Produced 1964-1972.
HK4 - James Bardwell (Remtek)
The HK4 (HK Pro)
VP70Z
9mm NATO or 9mm x 21 handgun. The VP70 was the first polymer frame pistol. Designed 1968. Produced 1970-1989.
HK VP70Z Technical Specifications (Remtek)
VP70M
9mm NATO or 9mm x 21 handgun. Had a detachable stock, and could fire fully automatic with the stock attached. Designed 1968. Produced 1970-1989.
P7M8
9mm semiautomatic handgun
The P7 M8 / P7 M13 (Heckler & Koch Germany)
P7M10
.40 S&W semiautomatic handgun
P7M13
9mm semiautomatic handgun
The P7 M8 / P7 M13 (Heckler & Koch Germany)
P7K3
.380 semiautomatic handgun. Similar to 9mm P7 but with a smaller caliber and different buffer system.
PSP (Polizei Selbstlade Pistole)
9mm NATO handgun. HK's first squeeze-cocking design, and predecessor to the P7.Produced 1976-1978.
PSP/P7
9mm NATO handgun. Intermediate design between the PSP and P7. Produced 1978.
P9S
Handgun introduced in 1974 in 9mm Luger with .30 Luger conversion available from HK. Offered in .45 ACP beginning in 1975.
P9S (Remtek)
USP (and USP Stainless)
9mm / .357 SIG / .40 S&W / .45 ACP handgun
HK USP Pistols (Heckler & Koch USA)
The USP (Heckler & Koch Germany)
USP (Remtek)
HK USP Pistols (Tactical Assault Specialists)
Heckler and Koch: Universal Self-loading Pistol (Gil's Guns)
USP Compact (and USP Compact Stainless)
9mm / .357 SIG / .40 S&W / .45 ACP handgun
HK USP Compact Pistols (Heckler & Koch USA)
HK USP Compact Pistols (Heckler & Koch Germany)
USP Expert
.45 ACP handgun
HK USP Expert (Heckler & Koch USA)
The Heckler & Koch USP Expert (Heckler & Koch Germany)
USP Tactical
.45 ACP handgun, threaded barrel
HK USP45 Tactical Pistol (Heckler & Koch USA)
HK USP45 Tactical Pistol (Tactical Assault Specialists)
USP Match / USP Match Stainless
.45 ACP handgun
HK USP Match (Heckler & Koch USA)
The USP Match (Heckler & Koch Germany)
HK USP Match (Fountain Firearms)
USP Custom Sport
9mm / .40 S&W / .45 ACP handgun
HK USP Custom Sport (Heckler & Koch Germany)
P8
9mm semiautomatic handgun. Based on the USP. Used by federal German armed forces.
The P8 (Heckler & Koch Germany)
P10
9mm semiautomatic handgun. German police service weapon based on the USP Compact
The P10 (Heckler & Koch Germany)
MK23 / MK23MOD0 / SOCOM / OHWS
.45 ACP handgun, threaded barrel. Based on the USP.
Mark 23
.45 ACP handgun, threaded barrel, civilian version of MK23. Identical to MK23 except for markings and barrel manufactured to SAAMI specs.
P11 Underwater Pistol
7.62x36 5-shot underwater pistol. Must be sent back to the factory to be reloaded. No relation to the P11 designation of the HK4 pistol.
The P11 (HK Pro)
HK69
Detachable 40mm grenade launcher, mounts under HK rifles except HK53
HK69A1
40mm grenade launcher, single shot
Special Application Products (Heckler & Koch USA)
The HK69A1 (HK Pro)
40mm Grenade Launcher (Unofficial H&K Home Page)
HK79
Detachable 40mm grenade launcher, mounts under G3, HK33, and G41 rifles
HK79 (HK Pro)
MZP-1
40mm grenade launcher, derived from the HK69A1
GMG
40mm grenade machine gun
The Contender: HK's 40mm GMG (Remtek)
The GMG (HK Pro)
P2A1
26.5mm flare pistol
Special Application Products (Heckler & Koch USA)
EFL
19mm emergency flare launcher
Special Application Products (Heckler & Koch USA)
HK11
7.62 NATO light machine gun
HK11E
7.62 NATO light machine gun, 4-position trigger group
G8
7.62 NATO light machine gun, similar to HK11E used by German Border Guard. Uses 50 round HK11E drum and telescopic sight.
The HK21E Machine Gun - Stephen Gearinger (Remtek)
G8A1
G8, feeds from standard G3 magazines or HK11E 50-round drum.
HK12
7.62 Soviet light machine gun
HK13
5.56 NATO light machine gun
HK73
5.56 NATO lightweight drum-fed machine gun. HK23 with a 150-round box-shaped drum magazine.
The HK23E Belt Fed Machine Gun (HK Pro)
HK21
7.62 NATO NATO belt-fed machine gun. Precursor to the HK21A1. Fixed belt feed insertion unit.
HK21A1
7.62 NATO NATO belt-fed machine gun. Precursor to the HK21E. Belt feed insertion unit swings down to acccept cartridges.
HK21E
7.62 NATO belt-fed machine gun, export version. Improved version of HK21A1. 4-position selector switch. Belt feed insertion unit swings down to accept cartridges.
Special Application Products (Heckler & Koch USA)
The HK21E Belt Fed Machine Gun (HK Pro)
The HK21E Machine Gun - Stephen Gearinger (Remtek)
HK22A1
7.62 Soviet lightweight belt-fed machine gun.
HK23A1
5.56 NATO lightweight belt-fed machine gun. Lost out to FN Minimi to be adopted as SAW by U.S. military. Current version is HK23E
HK23E
5.56 NATO lightweight belt-fed machine gun, export version. Improved version of HK23A1
The HK23E Belt Fed Machine Gun (HK Pro)
HK23E Technical Specifications (Remtek)
GR2C / HKGR2C
Select-fire 5.56 NATO rifle. Short barrel. Woodland camouflage. Optical sight. Similar to HK53.
GR2S / HKGR2S
Select-fire 5.56 NATO rifle. Short barrel. Desert camouflage. Optical sight. Similar to HK53.
GR3KC / HKGR3KC
Select-fire 5.56 NATO rifle. Short barrel. Woodland camouflage. Optical sight. Similar to HK33K.
GR3KS / HKGR3KS
Select-fire 5.56 NATO rifle. Short barrel. Desert camouflage. Optical sight. Similar to HK33K.
GR3EA2C / HKGR3EA2C
Select-fire 5.56 NATO rifle. Woodland camouflage. Optical sight. Similar to HK33.
GR3EA2S / HKGR3EA2S
Select-fire 5.56 NATO rifle. Desert camouflage. Optical sight. Similar to HK33.
GR6C / HKGR6C
5.56 NATO light machine gun. Woodland camouflage. Optical sight. Similar to HK13.
GR6S / HKGR6S
5.56 NATO light machine gun. Desert camouflage. Optical sight. Similar to HK13.
GR9C / HKGR9C
5.56 NATO belt-fed machine gun. Woodland camouflage. Optical sight. Similar to HK23.
GR9S / HKGR9S
5.56 NATO belt-fed machine gun. Desert camouflage. Optical sight. Similar to HK23.
ACR
Early experimental caseless bullpup. Became the G11.
CAW / CAWS (Close Assault Weapon System)
Experimental select-fire 12-gauge (non-conventional) bullpup
The CAWS (HK Pro)
G11
Experimental select-fire 4.7mm caseless bullpup
HK G11 (Remtek)
Heckler & Koch G11 (Unofficial H&K Home Page)
HK36
Experimental select-fire 4.56mm rifle, circa 1973.
The HK36 (HK Pro)
HK51
Select-fire 7.62 NATO rifle, short barreled. A shorter barreled (8.9 inch) G3 than the G3K. HK never began production of this firearm, although American companies such as Fleming Firearms have produced clones of it.
HK51 Technical Specifications (Remtek)
Heckler & Koch: Model 51 (Gil's Guns)
HK-51 (rec.guns FAQ)
HK54
The original MP5 prototype, circa 1964. Some sources also use HK54 to describe the current MP5, or the version of the MP5 used by German police.
HK94K
Prototype for SP89. Ten manufactured.
MP5 PIP
Select-fire 9mm NATO submachine gun. Attempted improvement on the MP5.
The MP5 PIP (HK Pro)
MP64
Second-generation prototype of the MP5, circa 1964. Used pin and groove attachment of trigger group to receiver, rather than current pushpin.
MP2000
Select-fire 9mm NATO submachine gun. Developed as an alternative to the MP5, technology from this design can be seen in the UMP.
The MP2000 (HK Pro)
OICW (Objective Individual Combat Weapon)
G36K mounted underneath 20mm cannon
THE OICW: Objective Individual Combat Weapon (HK Pro)
SMG I / SMG1
Select-fire 9mm NATO submachine gun. Developed 1981 for U.S. Navy. Integral silencer, HK21 style rear sight, uses MP5 magazines. Abandoned in favor of MP5N.
The SMG I & II (HK Pro)
SMG II / SMG2
Select-fire 9mm NATO submachine gun. Developed in 1984. Integral silencer, MP5 style rear sight, uses proprietary magazines.
The SMG I & II (HK Pro)
SMG II (Remtek)
Note - Civilian counterparts to military rifles are described in the section with their big sibling. Follow the above links.
SL6
5.56 NATO sporting carbine. Discontinued from US import.
Heckler & Koch Rifles (Heckler & Koch Germany)
The SL6 (HK Pro)
SL6 (Remtek)
SL7
7.62 NATO sporting carbine. Discontinued from US import.
Heckler & Koch Rifles (Heckler & Koch Germany)
The SL7 (HK Pro)
SL7 (Remtek)
BASR (Bolt Action Sniper Rifle)
22-250, 6mm PPC, .308, .30-06 and .300 Winchester Magnum bolt-action rifle
The BASR (HK Pro)
HK270
.22LR semi-automatic hunting rifle. Standard or polygonal barrel available. Discontinued from US import.
The HK270 (HK Pro)
HK300
.22WMR semi-automatic hunting rifle. Polygonal barrel. Discontinued from US import.
The HK300 (HK Pro)
HK512
12-gauge pump-action shotgun.
If you have further details or a picture, please send mail.
HK630
5.56 NATO semi-automatic hunting rifle. Polygonal barrel. Discontinued from US import.
The HK630 (HK Pro)
HK770
7.62 NATO semi-automatic hunting rifle. Polygonal barrel. Discontinued from US import.
The HK770 (HK Pro)
HK940
.30-06 semi-automatic hunting rifle. Polygonal barrel. Discontinued from US import.
The HK940 (HK Pro)
M1 Super 90 (M1S90)
12 gauge semi-automatic shotgun
Technical Specifications (Benelli)
Owner’s Manual (Benelli)
Remtek
M3 Super 90 (M3S90)
12 gauge semi-automatic / pump shotgun
Technical Specifications (Benelli)
Owner’s Manual (Benelli)
Remtek
M3T
Top-folding M3 Super 90
Technical Specifications (Benelli)
More Benellis coming soon
Coming soon