List of delayed-blowback firearms

Below is a list of delayed-blowback firearms.

Lever delayed blowback NameManufacturer ImageCartridgeCountryTypeYear AA-52 machine gun Manufacture d'armes de Saint-Étienne 7.62×51mm NATO7.5×54mm French General-purpose machine gun 1952 Danuvia 43M Danuvia Gepgyar 9×25mm Mauser Submachine gun 1939 Dragon Rideout Arsenal 9×19mm Parabellum Semi-automatic pistol 2025 FAMAS Nexter 5.56×45mm NATO Bullpup assault rifle1978 FNAB-43 Fabbrica Nazionale d'Armi di Brescia 9×19mm Parabellum Submachine gun 1943 Garanin general-purpose machine guns 7.62×54mmR General-purpose machine gun 1957 MAC-58 Manufacture d'armes de Saint-Étienne .50 BMG Heavy machine gun 1958 San Cristobal Carbine Armería San Cristóbal Weapon Factory .30 Carbine Carbine 1950 ST Kinetics CPW ST Kinetics 9×19mm ParabellumFN 5.7×28mmHK 4.6×30mm Submachine gun Personal defense weapon 2008 TKB-517 Tula State Plant 7.62×39mm Assault rifle 1952 VAHAN 7.62×39mm Assault rifle 1952

Roller delayed blowback NameManufacturer ImageCartridgeCountryTypeYear BW20https://www.thefirearmblog.com/blog/pakistan-army-trials-and-the-resurgence-of-the-roller-delayed-blowback-44822362 Pakistan Ordnance Factories 7.62x51mm NATO Assault rifle 2021 BW21 Pakistan Ordnance Factories 7.62x51mm NATO Assault rifle 2021 Calico M960 Calico Light Weapons Systems 9×19mm Parabellum Submachine gun Carbine 1990 CEAM Modèle 1950 Centre d'Etudes et d'Armement de Mulhouse .30 Carbine7.92×33mm Kurz Assault rifle 1949 CETME Ameli CETME 5.56×45mm NATO Light machine gun 1974 CETME Model L CETME 5.56×45mm NATO Assault rifle 1981 CETME rifle CETME 7.62×51mm CETME Battle rifle 1957 CW56 Pakistan Ordnance Factories 5.56×45mm NATO Assault rifle 2022 DUG Rexim S.A. 7.62×51mm NATO Battle rifle 1956 Heckler & Koch G3 Heckler & Koch 7.62×51mm NATO Battle rifle 1959 Heckler & Koch G41 Heckler & Koch 5.56×45mm NATO Assault rifle 1984 Heckler & Koch HK21 Heckler & Koch 7.62×51mm NATO General-purpose machine gun 1961 Heckler & Koch HK33 Heckler & Koch 5.56×45mm NATO Assault rifle 1968 Heckler & Koch MP5 Heckler & Koch 9×19mm Parabellum Submachine gun 1964 Heckler & Koch P9 Heckler & Koch 9×19mm Parabellum.45 ACP7.65×21mm Parabellum Semi-automatic pistol 1965 Heckler & Koch PSG1 Heckler & Koch 7.62×51mm NATO Semi-automatic sniper rifle 1972 Korth PRS Korth .45 ACP Semi-automatic Pistol 2010s MDP-9 Angstadt Arms 9×19mm Parabellum Submachine gun Carbine PTR rifle PTR Industries, Inc. 7.62×51mm NATO Semi-automatic rifle 2000 REAPR Ohio Ordnance Medium machine gun 2023 SIG 510 Schweizerische Industrie Gesellschaft 7.62×51mm NATO Battle rifle 1957 SIG MG 710-3 Schweizerische Industrie Gesellschaft 7.62×51mm NATO General-purpose machine gun 1955 SRM Arms Model 12161216 BULLISH HEAT - Tactical-Life.com SRM Arms 12 gauge Semi-automatic shotgun 2011 Sturmgewehr 45 Mauser 7.92×33mm Kurz Assault rifle 1944 Grand Power Stribog SP9A3

Gas delayed blowback NameManufacturer ImageCartridgeCountryTypeYear Arsenal P-M02 Arsenal Firearms 9×19mm Parabellum Semi-automatic pistol 1999 BFD 1911 Better Firearms Designshttps://betterfirearmsdesign.com/ .45 ACP Semi-automatic pistol Grossfuss Sturmgewehr Grossfuss 7.92×33mm Kurz Assault rifle 1945 Heckler & Koch P7 Heckler & Koch 9×19mm Parabellum.22 Long Rifle.32 ACP.380 ACP.40 S&W.45 ACP Semi-automatic pistol 1976 Kevin ZP98 Zbrojovka Brno .380 ACP Semi-automatic pistol2000 Laugo Alien Ján Lučanský 9×19mm Parabellum Semi-automatic pistol2019 Krag–Jørgensen pistol 9×19mm Parabellum Semi-automatic pistol PCC Sureshot Armament Group .45 ACP Semi-automatic pistol Steyr GB Steyr Mannlicher 9×19mm Parabellum Semi-automatic pistol 1968 Type 77B Norinco 9×19mm Parabellum Semi-automatic pistol 1981 Volkssturmgewehr Gustloff-Werke 7.92×33mm Kurz Semi-automatic rifle 1944 W+F P47 Waffenfabrik Bern 9×19mm Parabellum Semi-automatic pistol 1947 Walther CCP Walther 9×19mm Parabellum Semi-automatic pistol 2014

Flywheel delayed blowback NameManufacturer ImageCartridgeCountryTypeYear Barnitzke machine gun 7.92×57mm Mauser General purpose machine gun 1944

Hesitation lock NameManufacturer ImageCartridgeCountryTypeYear 701 rifle 208th Research Institute 7.62x39mm Assault rifle 1966 M50 Reising H & R Firearms .45 ACP Submachine gun 1940 Remington Model 51 Remington Arms .32 ACP.380 ACP Semi-automatic pistol 1917 Remington R51 Remington Arms 9×19mm Parabellum Semi-automatic pistol 2014 Rudd Arms AR-180 Rudd Arms 5.56×45mm NATO Assault rifle SIG MKMO SIG Sauer 9×19mm Parabellum Submachine gun 1930 Star Si 35 Star Bonifacio Echeverria 9mm Largo.38 Auto Submachine gun 1935

Radial delayed blowback NameManufacturer ImageCartridgeCountryTypeYear CMMG MkG CMMG .45 ACP Submachine gun 2017CMMG BansheeCMMG9×19mm.40 S&W.45 ACPFN 5.7×28mm10mm AutoSemi-automatic pistol2021 MP-A2 A Squared Armament 9x19mm Parabellum Submachine gun 2020 NPC-9 9x19mm Parabellum Submachine gun 2020 PGS15 Preppers Gun Shop MFG 9x19mm Parabellum Submachine gun 2020

Screw/Turnbolt delayed blowback NameManufacturer ImageCartridgeCountryTypeYear BSA Autorifle Birmingham Small Arms .303 British7.92×57mm Mauser7.62×54mmR Semi-automatic rifle 1924 Demro TAC-1 Demro Products Inc. 9x19mm Parabellum.45 ACP Submachine gun 1974 Kalashnikov Model 1942 Mikhail Kalashnikov 7.62x25mm Tokarev Submachine gun 1942 Krnka-Hirtenberg Hirtenberg Ammunition Factory 7mm Krnka experimental Semi-automatic rifle 1908 Mannlicher Model 1893 Mannlicher Patrone 88 Semi-automatic rifle 1893 Salvator-Dormus M1893 Škoda Works 8x50mmR Mannlicher Heavy machine gun 1893 Sheppard Autorifle U.S. Ordnance Co. .30-06 Springfield Semi-automatic rifle 1921 Thompson Autorifle Auto Ordnance .30-06 Springfield Semi-automatic rifle 1923

Toggle delayed blowback NameManufacturer ImageCartridgeCountryTypeYear Pedersen rifle Frankford Arsenal .276 Pedersen Semi-automatic rifle 1926 Schwarzlose machine gun Steyr 8×50mmR Mannlicher Medium machine gun 1907

Vector delayed blowback NameManufacturer ImageCartridgeCountryTypeYear Jatimatic Tampereen Asepaja Oy 9×19mm Submachine gun 1983–1986 KRISS Vector KRISS USA, Inc. 9×19mm9×21mm.357 SIG.40 S&W10mm Auto.45 ACP Submachine gun 2006 Piranha pistol Piranha International Inc. Corp of NV 9×19mm Semi-automatic pistol 1969

Detent delayed blowback NameManufacturer ImageCartridgeCountryTypeYear Show Low Manufacturing Black-Jackhttps://www.thefirearmblog.com/blog/2024/01/26/shot-2024-show-low-black-jack-is-a-9mm-mashup/ Show Low Manufacturing 10mm Auto Carbine 2025

References