Give another look to your Worker Cheetah II blaster, this barrel designed by MaLiang 3D with inline clip design. It stores 4 short darts which could direct load from the mag.
Please make use the blaster face downward to ensure the darts get close to the muzzle.
MaLiang 3D print Inline Clip Barrel for Worker MOD Cheetah II Blaster Modify Toy
Size (LxWxH, mm): 250 x 60
Weight (g): 100
Fomation: 3D Printing
Packing: Carton Box
Packing Size (LxWxH, mm): 270 x 80 x 40