Barnitzke machine gun

Machine gun

Barnitzke machine gun
Type	Machine gun
Place of origin	Nazi Germany
Specifications
Cartridge	7.92×57mm
Caliber	7.92mm
Action	delayed blowback
Feed system	Belt
Sights	Iron

The Barnitzke machine gun is a prototype machine gun of late World War II German origin. The weapon uses an unusual delayed blowback operation, where during firing the bolt opening is delayed by the rotational inertia of two flywheels, which are driven by a rack and pinion arrangement on the bolt carrier.^[1]^[2]

References

^ "Archive Photo". Archived from the original on 14 September 2014. Retrieved 13 September 2014.
^ "Archive Photo 2". Archived from the original on 14 September 2014. Retrieved 13 September 2014.

Delayed blowback firearms

Lever delayed

AA-52
Benelli B76
Cristóbal Carbine
Danuvia 43M
Dlugov
FAMAS
FN Five-seven
FNAB-43
Garanin
MAC-58
Sterling 7.62
ST Kinetics CPW
TKB-517
AVB-7.62

Roller delayed

Gas delayed

Hesitation locked

Flywheel delayed

Barnitzke machine gun
MGD PM-9

Radial delayed

CMMG Mk 45 Guard

Toggle delayed

Vector delayed

v t e German firearms and light weapons of World War II
Sidearms	Mauser C96 Luger Walther P38 Walther PP and PPK Sauer 38H Mauser HSc Sturmpistole Dreyse M1907 Pistol Volkspistole
Rifles and carbines	FG 42 G 98/40 Gewehr 41 Gewehr 43/Karabiner 43 Grossfuss Sturmgewehr Karabinek wz. 1929 Karabiner 98k M30 Luftwaffe drilling MKb 42(W) / MKb 42(H) MP 43/MP 44/StG 44 StG 45(M) VG 1-5
Submachine guns	MP 18/MP 28 MP 34 MP35 MP 38/MP 40 MP 41 MP 3008 Erma EMP EMP 44
Machine guns and other larger weapons	MG 08 Schwarzlose MG M.07/12 MG 13 MG 15 MG 17 MG 26 MG 30 MG 34 MG 39 Rh MG 42 MG 45 MG 131 IMG 28 MG 35/36A Faustpatrone Raketen-Panzerbüchse 43 Panzerfaust Panzerschreck Fliegerfaust/Luftfaust Flammenwerfer 35 Flammenwerfer 41 Einstossflammenwerfer 46 Panzerbüchse 39 Solothurn S-18/1000 VMG 1927
Infantry mortars	5 cm leGrW 36 8 cm GrW 34 kz 8 cm GrW 42 12 cm GrW 42
Grenade launchers	Kampfpistole Leuchtpistole 34 Leuchtpistole 42 Schiessbecher Sturmpistole
Grenades	Blendkörper 1H Blendkörper 2H Fallschirm Leuchtpatrone Gewehr-Panzergranate Gross Gewehr-Panzergranate Gewehr-Granatpatrone 40 Gross Panzergranate 46 & 61 Gewehr-Sprenggranate Hafthohlladung Model 1924 Stielhandgranate Model 1939 Eihandgranate Model 1943 Stielhandgranate Multi-Star Signal Cartridge Nebelpatrone Panzerwurfkörper 42 Panzerwurfmine Propaganda-Gewehrgranate Shaving Stick Grenade Splitterring Sprengpatrone Wurfgranate Patrone 326 Wurfkörper 361
Notable foreign-made weapons	Modele 1935A as Pistole 625(f) Kongsberg Colt as Pistole 657(n) Browning Hi-Power as Pistole 640(b) M1911 as Pistole 660(a) PPSh-41 as MP 717(r) Radom wz. 35 Vis as Pistole 645(p) Puška vz. 24 as Gewehr 24(t) Puška vz. 33 as Gewehr 33/40(t) Lewis gun as leMG 137(e) Bren light machine gun as leMG 138(e) Kulomet vz. 37 as leMG 148(j)/MG 37(t) Browning wz. 1928 (BAR) as leMG 154/2(p) Beretta Model 38/42 as MP 738(i) ZB vz. 26 as leMG 146/1(j) Sten MK I-III as MP 748-750(e) PPS-43 submachine gun as MP 719(r) SVT-40 as Sl.-Gewehr 259(r) M1 Garand as Sl.-Gewehr 251(a) Kb ppanc wz. 35 as PzB 770(p) Bazooka as RPzB 788(a) M1917 Enfield as Gewehr 250(a) M1903 Enfield as Gewehr 249(a) M1 carbine as Karabiner 455(a) Thompson Model 1928 as MP 760/2(r)
German cartridges of the Wehrmacht	7.63×25mm Mauser 7.65×17mmSR Browning 7.65×21mm Parabellum 7.92×33mm Kurz 7.92×57mm Mauser 7.92×94mm Patronen 9×19mm Parabellum 13.2×92mmSR 20×138mmB

v t e General-purpose machine gun (GPMG)
AA-52 AEK-999 Barnitzke C6A1 FLEX Denel DMG-5 FN MAG Garanin Heckler & Koch HK21 Heckler & Koch MG5 Hispano Suiza HSS 808 IWI Negev NG-7 KGK M60 M240 Madsen-Saetter Mekanika Uirapuru MG 3 machine gun MG 34 MG 39 Rh MG 42 MG 45 MG 51 MK 48 PK/PKM PKP Pecheneg QJY-201 Rheinmetall MG 60 SIG MG 50 SIG MG 710-3 S&T Motiv K16 Sumitomo Type 62 T24 TKB-015 TKB-464 TKB-521 Type 67 Type 80 Uk vz. 59 UKM-2000 Vektor SS-77 Zastava M53 Zastava M84

General-purpose machine gun (GPMG)