Engineering:List of delayed-blowback firearms

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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	Error creating thumbnail: limit.sh: timed out executing command "convert -background "#ffffff00" -thumbnail 250x65\! '/tmp/svg_e24c3d8b5a5a890b6f7a64e7/KorobowTKB-517.svg' PNG:'/tmp/transform_e0704cb53657.png'"	7.62×39mm	Soviet Union	Assault rifle	1952

Roller delayed blowback

Name	Manufacturer	Image	Cartridge	Country	Type	Year
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
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
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	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
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
Steyr GB	Steyr Mannlicher		9×19mm Parabellum	Austria	Semi-automatic pistol	1968
Volkssturmgewehr	Gustloff-Werke		7.92×33mm Kurz	Germany	Semi-automatic rifle	1944
Walther CCP	Walther		9×19mm Parabellum	Germany	Semi-automatic pistol	2014
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

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
SIG MKMO	SIG Sauer		9×19mm Parabellum	Switzerland	Submachine gun	1930

Radial delayed blowback

Name	Manufacturer	Image	Cartridge	Country	Type	Year
CMMG Mk 45 Guard	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

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