List of delayed-blowback firearms

Below is a list of delayed-blowback firearms.

Lever delayed blowback

Name Manufacturer Image Cartridge Country Type Year
AA-52 machine gun Manufacture d'armes de Saint-Étienne 7.62×51mm NATO
7.5×54mm French 		 France General-purpose machine gun 1952
Danuvia 43M Danuvia Gepgyar 9×25mm Mauser  Hungary Submachine gun 1939
FAMAS Nexter 5.56×45mm NATO  France Bullpup assault rifle 1978
FNAB-43 Fabbrica Nazionale d'Armi di Brescia 9×19mm Parabellum  Italian Social Republic Submachine gun 1943
Garanin general-purpose machine guns 7.62×54mmR  Soviet Union General-purpose machine gun 1957
MAC-58 Manufacture d'armes de Saint-Étienne .50 BMG  France Heavy machine gun 1958
San Cristobal Carbine Armería San Cristóbal Weapon Factory .30 Carbine  Dominican Republic Carbine 1950
ST Kinetics CPW ST Kinetics 9×19mm Parabellum
FN 5.7×28mm
HK 4.6×30mm 		 Singapore Submachine gun Personal defense weapon 2008
TKB-517 Tula State Plant 7.62×39mm  Soviet Union Assault rifle 1952
VAHAN 7.62×39mm  Armenia Assault rifle 1952

Roller delayed blowback

Name Manufacturer Image Cartridge Country Type Year
BW20 Pakistan Ordnance Factories 7.62x51mm NATO  Pakistan Assault rifle 2021
BW21 Pakistan Ordnance Factories 7.62x51mm NATO  Pakistan Assault rifle 2021
Calico M960 Calico Light Weapons Systems 9×19mm Parabellum  United States Submachine gun Carbine 1990
CEAM Modèle 1950 Centre d'Etudes et d'Armement de Mulhouse .30 Carbine
7.92×33mm Kurz 		 France Assault rifle 1949
CETME Ameli CETME 5.56×45mm NATO  Spain Light machine gun 1974
CETME Model L CETME 5.56×45mm NATO  Spain Assault rifle 1981
CETME rifle CETME 7.62×51mm CETME  Spain Battle rifle 1957
CW56 Pakistan Ordnance Factories 5.56×45mm NATO  Pakistan Assault rifle 2022
DUG Rexim S.A. 7.62×51mm NATO   Switzerland Battle rifle 1956
Heckler & Koch G3 Heckler & Koch 7.62×51mm NATO  West Germany Battle rifle 1959
Heckler & Koch G41 Heckler & Koch 5.56×45mm NATO  West Germany Assault rifle 1984
Heckler & Koch HK21 Heckler & Koch 7.62×51mm NATO  West Germany General-purpose machine gun 1961
Heckler & Koch HK33 Heckler & Koch 5.56×45mm NATO  West Germany Assault rifle 1968
Heckler & Koch MP5 Heckler & Koch 9×19mm Parabellum  Germany Submachine gun 1964
Heckler & Koch P9 Heckler & Koch 9×19mm Parabellum
.45 ACP
7.65×21mm Parabellum 		 West Germany Semi-automatic pistol 1965
Heckler & Koch PSG1 Heckler & Koch 7.62×51mm NATO  West Germany Semi-automatic sniper rifle 1972
Korth PRS Korth .45 ACP  Germany Semi-automatic Pistol 2010s
MDP-9 Angstadt Arms 9×19mm Parabellum  United States Submachine gun Carbine
REAPR Ohio Ordnance  United States Medium machine gun 2023
SIG 510 Schweizerische Industrie Gesellschaft 7.62×51mm NATO   Switzerland Battle rifle 1957
SIG MG 710-3 Schweizerische Industrie Gesellschaft 7.62×51mm NATO   Switzerland General-purpose machine gun 1955
SRM Arms Model 1216[1] SRM Arms 12 gauge  United States Semi-automatic shotgun 2011
Sturmgewehr 45 Mauser 7.92×33mm Kurz  Germany Assault rifle 1944
Grand Power Stribog SP9A3

Gas delayed blowback

Name Manufacturer Image Cartridge Country Type Year
Arsenal P-M02 Arsenal Firearms 9×19mm Parabellum  Bulgaria Semi-automatic pistol 1999
BFD 1911 Better Firearms Designs .45 ACP  United States Semi-automatic pistol
Grossfuss Sturmgewehr Grossfuss 7.92×33mm Kurz  Germany Assault rifle 1945
Heckler & Koch P7 Heckler & Koch 9×19mm Parabellum
.22 Long Rifle
.32 ACP
.380 ACP
.40 S&W
.45 ACP 		 West Germany Semi-automatic pistol 1976
Kevin ZP98 Zbrojovka Brno .380 ACP  Czech Republic Semi-automatic pistol 2000
Laugo Alien Ján Lučanský 9×19mm Parabellum  Czech Republic Semi-automatic pistol 2019
Krag–Jørgensen pistol 9×19mm Parabellum  Norway Semi-automatic pistol
PCC Sureshot Armament Group .45 ACP  United States Semi-automatic pistol
Steyr GB Steyr Mannlicher 9×19mm Parabellum  Austria Semi-automatic pistol 1968
Type 77B Norinco 9×19mm Parabellum  China Semi-automatic pistol 1981
Volkssturmgewehr Gustloff-Werke 7.92×33mm Kurz  Germany Semi-automatic rifle 1944
W+F P47 Waffenfabrik Bern 9×19mm Parabellum   Switzerland Semi-automatic pistol 1947
Walther CCP Walther 9×19mm Parabellum  Germany Semi-automatic pistol 2014

Flywheel delayed blowback

Name Manufacturer Image Cartridge Country Type Year
Barnitzke machine gun 7.92×57mm Mauser  Germany General purpose machine gun 1944

Hesitation lock

Name Manufacturer Image Cartridge Country Type Year
M50 Reising H & R Firearms .45 ACP  United States Submachine gun 1940
Remington Model 51 Remington Arms .32 ACP
.380 ACP 		 United States Semi-automatic pistol 1917
Remington R51 Remington Arms 9×19mm Parabellum  United States Semi-automatic pistol 2014
Rudd Arms AR-180 Rudd Arms 5.56×45mm NATO  Canada Assault rifle
SIG MKMO SIG Sauer 9×19mm Parabellum   Switzerland Submachine gun 1930

Radial delayed blowback

Name Manufacturer Image Cartridge Country Type Year
CMMG MkG CMMG .45 ACP  United States Submachine gun 2017
CMMG Banshee CMMG 9×19mm
.40 S&W
.45 ACP
FN 5.7×28mm
10mm Auto 		 United States Semi-automatic pistol 2021
MP-A2 A Squared Armament 9x19mm Parabellum  United States Submachine gun 2020
NPC-9 9x19mm Parabellum  United States Submachine gun 2020
PGS15 Preppers Gun Shop MFG 9x19mm Parabellum  United States Submachine gun 2020

Screw/Turnbolt delayed blowback

Name Manufacturer Image Cartridge Country Type Year
BSA Autorifle Birmingham Small Arms .303 British
7.92×57mm Mauser
7.62×54mmR 		 United Kingdom Semi-automatic rifle 1924
Demro TAC-1 Demro Products Inc. 9x19mm Parabellum
.45 ACP 		 United States Submachine gun 1974
Kalashnikov Model 1942 Mikhail Kalashnikov 7.62x25mm Tokarev  Soviet Union Submachine gun 1942
Krnka-Hirtenberg Hirtenberg Ammunition Factory 7mm Krnka experimental  Austria-Hungary Semi-automatic rifle 1908
Mannlicher Model 1893 Mannlicher Patrone 88  Austria-Hungary Semi-automatic rifle 1893
Salvator-Dormus M1893 Škoda Works 8x50mmR Mannlicher  Austria-Hungary Semi-automatic rifle 1893
Sheppard Autorifle U.S. Ordnance Co. .30-06 Springfield  United States Semi-automatic rifle 1921
Thompson Autorifle Auto Ordnance .30-06 Springfield  United States Semi-automatic rifle 1923

Toggle delayed blowback

Name Manufacturer Image Cartridge Country Type Year
Pedersen rifle Frankford Arsenal .276 Pedersen  United States Semi-automatic rifle 1926
Schwarzlose machine gun Steyr 8×50mmR Mannlicher  Austria-Hungary Medium machine gun 1907

Vector delayed blowback

Name Manufacturer Image Cartridge Country Type Year
Jatimatic Tampereen Asepaja Oy 9×19mm  Finland Submachine gun 1983–1986
KRISS Vector KRISS USA, Inc. 9×19mm
9×21mm
.357 SIG
.40 S&W
10mm Auto
.45 ACP 		 United States Submachine gun 2006

Detent delayed blowback

Name Manufacturer Image Cartridge Country Type Year
Show Low Manufacturing Black-Jack Show Low Manufacturing 10mm Auto  United States Carbine 2025

References

  1. ^ 1216 BULLISH HEAT - Tactical-Life.com
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