M4

Mechanical bottom-feeding device with Rubik square Cappy and smart locking fire button. 

- 3D printed PA12 Nylon body
- 18650 battery space
- equipped with food grade silicone Rubik Cappy R + 1 as gift
- silver plated 510 adjustable pin (Allen key included)
- fire button with smart magnetic locking system
- weight: 36 gr

Please install one of the included o-rings on the catch cup to: 

-avoid scratches 
-prevent the atty stuck on the base
-avoid dangerous high pressure on the pin
-seal the atty base and avoid issues with leaking atties
-give more stability to inaccurate threaded atties

Please download the product data sheet (you can see it under the price, "product data sheet") to get a digital copy of the user manual.