How to Build an HPA Bullpup - Project LUX

**Airsoft not real

Download Files Here:
https://cults3d.com/en/3d-model/game/...

Video Chapters
0:00 Intro
0:19 Gameplay
1:46 Rear Half
10:49 Front Half & Wiring
20:07 Final Assembly
28:02 Tuning

Specs
Weight - 800 grams (1.75 lbs)
Features Bluetooth tuning with a Gate Aster II V3 Bluetooth
Compatible with all m4 internals (hop, barrels, grip,s and triggers)
Rps (engine dependent but usually 40-50 rps)
Joule output is also dependent on the engine, but can be 2+ joules easily

Print settings
Pla + or nylon sls
0.2 mm layer height
5 walls on all parts
15% infill or more

Hardware
1.5 inch (od) x 12 inch aluminum round tube (.08 inch wall)
https://www.amazon.com/dp/B0DLW8NC6D?...
15 m4 x 12 mm screws
1 m3 x 30 mm screw
2 AEG trigger switch screws
11mm cw to 14mm ccw adapter
1 Cut down aeg spring
1 Cut down pen spring

Internals
310mm inner barrel (can be shorter, 310mm is just max w/ 12 inch aluminum)
M4 hop-up & bucking
M4 trigger (ideally Maxx)
M4 grip (no beaver tail)
Hpa engine (V2 or V3, just not fusion or mechanical)
Gate Aster II V3 (must be Bluetooth to enable HPA mode)

Electrical
Heat shrink
24-gauge speaker wire or other 24 AWG wire
JST connector female
JST-PH 2-pin connector male (for solenoid)
Optionally, JST On/Off switch
https://www.amazon.com/Pack-ShareGoo-...