This is the improved version of my older design, Printing is much easier with zero fails this time. (BTW) This thing kicks like a Mule, so be careful .

List of items required:

1 X 10MM X 15MM NEODYMIUM MAGNET (EJECTOR) 

1 X 25MM OD, 23MM ID X 280MM L BARREL

1 X M5 X 22MM L BOLT HANDLE

2 X M3 X 35MM L TRIGGER AND SEAR (+ 2 NYLOC NUTS + ELASTICS)

3 X M3 X 10MM L BARREL BUSHING (+ ELASTICS)

1 X M4 X 35MM L GRIP

1 X M3 X 35MM L FIRING PIN (+ 6X WASHERS, KNURLED NUT, 5MM X 12MM L COMPRESSION SPRING) NOTE! LOOK AT PICTURE FOR THE SETUP

https://www.youtube.com/watch?v=WnpOis10NyQ

*IF YOU USE 5 ELASTICS FOR THE TRIGGER USE 2 LESS FOR THE BUSHING



Don't forget to try out my other designs Enjoy ;)