Making a Foam Dart Gun (check Legality in Your State, Ages 18+ Only Please) : 6 Steps - Instructables
Ballistic Dart Launcher
PNEU DART RIFLE AIR GUN – MODEL 178B DART GUN | Western Ranch Supply
Amazon.com : HUAAO Ballistic Dart Launcher, Stainless Steel Forged, Accurate Shooting within 16ft for Hunting Camping Shooting Self-Defense and Survival, Best Gift for Men : Sports & Outdoors