Below is a list of delayed-blowback firearms.

Lever delayed blowback

NameManufacturerImageCartridgeCountryTypeYear
AA-52 machine gunManufacture d'armes de Saint-Étienne7.62×51mm NATO 7.5×54mm FrenchFranceGeneral-purpose machine gun1952
Danuvia 43MDanuvia Gepgyar9×25mm MauserHungarySubmachine gun1939
DragonRideout Arsenal9×19mm ParabellumUnited StatesSemi-automatic pistol2025
FAMASNexter5.56×45mm NATOFranceBullpup assault rifle1978
FNAB-43Fabbrica Nazionale d'Armi di Brescia9×19mm ParabellumItalySubmachine gun1943
Garanin general-purpose machine guns7.62×54mmRSoviet UnionGeneral-purpose machine gun1957
MAC-58Manufacture d'armes de Saint-Étienne.50 BMGFranceHeavy machine gun1958
San Cristobal CarbineArmería San Cristóbal Weapon Factory.30 CarbineDominican RepublicCarbine1950
ST Kinetics CPWST Kinetics9×19mm Parabellum FN 5.7×28mm HK 4.6×30mmSingaporeSubmachine gun Personal defense weapon2008
TKB-517Tula State Plant7.62×39mmSoviet UnionAssault rifle1952
VAHAN7.62×39mmArmeniaAssault rifle1952

Roller delayed blowback

NameManufacturerImageCartridgeCountryTypeYear
BW20Pakistan Ordnance Factories7.62x51mm NATOPakistanAssault rifle2021
BW21Pakistan Ordnance Factories7.62x51mm NATOPakistanAssault rifle2021
Calico M960Calico Light Weapons Systems9×19mm ParabellumUnited StatesSubmachine gun Carbine1990
CEAM Modèle 1950Centre d'Etudes et d'Armement de Mulhouse.30 Carbine 7.92×33mm KurzFranceAssault rifle1949
CETME AmeliCETME5.56×45mm NATOSpainLight machine gun1974
CETME Model LCETME5.56×45mm NATOSpainAssault rifle1981
CETME rifleCETME7.62×51mm CETMESpainBattle rifle1957
CW56Pakistan Ordnance Factories5.56×45mm NATOPakistanAssault rifle2022
DUGRexim S.A.7.62×51mm NATOSwitzerlandBattle rifle1956
Heckler & Koch G3Heckler & Koch7.62×51mm NATOWest GermanyBattle rifle1959
Heckler & Koch G41Heckler & Koch5.56×45mm NATOWest GermanyAssault rifle1984
Heckler & Koch HK21Heckler & Koch7.62×51mm NATOWest GermanyGeneral-purpose machine gun1961
Heckler & Koch HK33Heckler & Koch5.56×45mm NATOWest GermanyAssault rifle1968
Heckler & Koch MP5Heckler & Koch9×19mm ParabellumGermanySubmachine gun1964
Heckler & Koch P9Heckler & Koch9×19mm Parabellum .45 ACP 7.65×21mm ParabellumWest GermanySemi-automatic pistol1965
Heckler & Koch PSG1Heckler & Koch7.62×51mm NATOWest GermanySemi-automatic sniper rifle1972
Korth PRSKorth.45 ACPGermanySemi-automatic Pistol2010s
MDP-9Angstadt Arms9×19mm ParabellumUnited StatesSubmachine gun Carbine
PTR riflePTR Industries, Inc.7.62×51mm NATOUnited StatesSemi-automatic rifle2000
REAPROhio OrdnanceUnited StatesMedium machine gun2023
SIG 510Schweizerische Industrie Gesellschaft7.62×51mm NATOSwitzerlandBattle rifle1957
SIG MG 710-3Schweizerische Industrie Gesellschaft7.62×51mm NATOSwitzerlandGeneral-purpose machine gun1955
SRM Arms Model 1216SRM Arms12 gaugeUnited StatesSemi-automatic shotgun2011
Sturmgewehr 45Mauser7.92×33mm KurzGermanyAssault rifle1944
Grand Power Stribog SP9A3

Gas delayed blowback

NameManufacturerImageCartridgeCountryTypeYear
Arsenal P-M02Arsenal Firearms9×19mm ParabellumBulgariaSemi-automatic pistol1999
BFD 1911Better Firearms Designs.45 ACPUnited StatesSemi-automatic pistol
Grossfuss SturmgewehrGrossfuss7.92×33mm KurzGermanyAssault rifle1945
Heckler & Koch P7Heckler & Koch9×19mm Parabellum .22 Long Rifle .32 ACP .380 ACP .40 S&W .45 ACPWest GermanySemi-automatic pistol1976
Kevin ZP98Zbrojovka Brno.380 ACPCzech RepublicSemi-automatic pistol2000
Laugo AlienJán Lučanský9×19mm ParabellumCzech RepublicSemi-automatic pistol2019
Krag–Jørgensen pistol9×19mm ParabellumNorwaySemi-automatic pistol
PCCSureshot Armament Group.45 ACPUnited StatesSemi-automatic pistol
Steyr GBSteyr Mannlicher9×19mm ParabellumAustriaSemi-automatic pistol1968
Type 77BNorinco9×19mm ParabellumChinaSemi-automatic pistol1981
VolkssturmgewehrGustloff-Werke7.92×33mm KurzGermanySemi-automatic rifle1944
W+F P47Waffenfabrik Bern9×19mm ParabellumSwitzerlandSemi-automatic pistol1947
Walther CCPWalther9×19mm ParabellumGermanySemi-automatic pistol2014

Flywheel delayed blowback

NameManufacturerImageCartridgeCountryTypeYear
Barnitzke machine gun7.92×57mm MauserGermanyGeneral purpose machine gun1944

Hesitation lock

NameManufacturerImageCartridgeCountryTypeYear
701 rifle208th Research Institute7.62x39mmChinaAssault rifle1966
M50 ReisingH & R Firearms.45 ACPUnited StatesSubmachine gun1940
Remington Model 51Remington Arms.32 ACP .380 ACPUnited StatesSemi-automatic pistol1917
Remington R51Remington Arms9×19mm ParabellumUnited StatesSemi-automatic pistol2014
Rudd Arms AR-180Rudd Arms5.56×45mm NATOCanadaAssault rifle
SIG MKMOSIG Sauer9×19mm ParabellumSwitzerlandSubmachine gun1930
Star Si 35Star Bonifacio Echeverria9mm Largo .38 AutoSpainSubmachine gun1935

Radial delayed blowback

NameManufacturerImageCartridgeCountryTypeYear
CMMG MkGCMMG.45 ACPUnited StatesSubmachine gun2017
CMMG BansheeCMMG9×19mm .40 S&W .45 ACP FN 5.7×28mm 10mm AutoUnited StatesSemi-automatic pistol2021
MP-A2A Squared Armament9x19mm ParabellumUnited StatesSubmachine gun2020
NPC-99x19mm ParabellumUnited StatesSubmachine gun2020
PGS15Preppers Gun Shop MFG9x19mm ParabellumUnited StatesSubmachine gun2020

Screw/Turnbolt delayed blowback

NameManufacturerImageCartridgeCountryTypeYear
BSA AutorifleBirmingham Small Arms.303 British 7.92×57mm Mauser 7.62×54mmRUnited KingdomSemi-automatic rifle1924
Demro TAC-1Demro Products Inc.9x19mm Parabellum .45 ACPUnited StatesSubmachine gun1974
Kalashnikov Model 1942Mikhail Kalashnikov7.62x25mm TokarevSoviet UnionSubmachine gun1942
Krnka-HirtenbergHirtenberg Ammunition Factory7mm Krnka experimentalAustria-HungarySemi-automatic rifle1908
Mannlicher Model 1893MannlicherPatrone 88Austria-HungarySemi-automatic rifle1893
Salvator-Dormus M1893Škoda Works8x50mmR MannlicherAustria-HungaryHeavy machine gun1893
Sheppard AutorifleU.S. Ordnance Co..30-06 SpringfieldUnited StatesSemi-automatic rifle1921
Thompson AutorifleAuto Ordnance.30-06 SpringfieldUnited StatesSemi-automatic rifle1923

Toggle delayed blowback

NameManufacturerImageCartridgeCountryTypeYear
Pedersen rifleFrankford Arsenal.276 PedersenUnited StatesSemi-automatic rifle1926
Schwarzlose machine gunSteyr8×50mmR MannlicherAustria-HungaryMedium machine gun1907

Vector delayed blowback

NameManufacturerImageCartridgeCountryTypeYear
JatimaticTampereen Asepaja Oy9×19mmFinlandSubmachine gun1983–1986
KRISS VectorKRISS USA, Inc.9×19mm 9×21mm .357 SIG .40 S&W 10mm Auto .45 ACPUnited StatesSubmachine gun2006
Piranha pistolPiranha International Inc. Corp of NV9×19mmUnited StatesSemi-automatic pistol1969

Detent delayed blowback

NameManufacturerImageCartridgeCountryTypeYear
Show Low Manufacturing Black-JackShow Low Manufacturing10mm AutoUnited StatesCarbine2025