as per my intro post I've hit a snag with my build and need a hand..
Please bear with me I'll try and list everything properly.
base rifle:spr a5m
madbull sniper Red 60 bucking
AA hop unit
6.04 430mm kn head (I think) vsr barrel
aa Teflon piston
airsoft pro trigger v4
Hi. I've got a Bar-10 Vsr-10 clone and whenever I pull the bolt back the piston sear sort of catches the piston, you can hear and feel a click but as soon as you let go the bolt slams back forward.
Any suggestions on how to fix this?
Inside my gun I currently have a Action Army piston, a...