Airsoft homemade 3D printed HPA sniper rifle BiG V2 with integrated hopup chamber Octagon hopup mod + B.i.G. TDC for bridged and unbridged inner barrels with VSR type buckings.

Download .STL files from here:
https://cults3d.com/en/3dmodel/game/...

Valve model:
TAC2 31V

Music:
Game Over by ASHUTOSH |   / grandakt  
Music promoted by https://www.chosic.com/freemusic/all/
Creative Commons CC BYSA 3.0
https://creativecommons.org/licenses/...

For more detailed informations regarding HPA system build, magazine assembly, or any other, watch BiG Airsoft sniper rifle V1 video here:
   • Airsoft homemade DIY 3D printed HPA s...  

Special thanks to Siege Paintball Sport Club for supporting shooting test video:
  / siegepaintballro