>>7933816If you’re just after a full length dart version of the calibern those are totally a thing.
Alternatively if you’re looking for a bullpub, the Chimera has a full length version (pic related). Admittedly it’s a less extensively supported 3d-printed blaster platform though:
https://drive.google.com/drive/mobile/folders/1zXH29nhJa-8IdM_HT-XaQiTWNRviKSTn