This version has a capacity of 3 short-darts, and only really functions as an inline if you're pulling back halfway. If you go full power it has a tendency to shotgun 2 short-darts at a time. I plan to keep reiterating on the design a bit, and will try to make the 3 and 5 elite dart attachments into short dart inlines as well so you can get more than one shot off before reloading the shotgun.
(PS. Don't mind the Mega dart still embossed on the attachment, I used that as the core and forgot to remove it lol.)
EDIT: Added a V2 with more capacity (should be 5) and more functional barrel that should hopefully reduce accidental double shots.
The author remixed this model.
Used the TKO Printed Barrel as the core of a Titan Barrel Attachment, with changes to it's model to change how darts are loaded into it.