SKS Yugo Blank Firing Adapter Fits Only Yugoslavian SKS Rifles With Grenade Launcher [FC-SKS-012] - Cheaper Than Dirt
Laser work with blanks and tags at Milsim West : r/airsoft
U.S. Vietnam War Airsoft M79 Grenade Launcher – International Military Antiques
Matrix Full Metal 40mm Airsoft Grenade Launcher | SCHEELS.com
A member of the 101st Airborne Division fires an M16A1 rifle equipped with an M203 40 mm grenade launcher and a blank firing attachment from a prone position during Exercise SOLID SHIELD
Lancer Tactical GBR Spring Powered Impact Airsoft Grenade130 US Seller Fast! | eBay
Next generation of 40 mm | Article | The United States Army