i have built one with my friends but barrel is at my friends shed with my pneumatic chamber. you need longer arms.. just get 3 T connectors. and 4 90's in 1.5 inch pvcMike_D202 wrote:http://www.youtube.com/watch?v=VBoNSo0Feig

i have built one with my friends but barrel is at my friends shed with my pneumatic chamber. you need longer arms.. just get 3 T connectors. and 4 90's in 1.5 inch pvcMike_D202 wrote:http://www.youtube.com/watch?v=VBoNSo0Feig