hop up??

[ALIHISGREAT]

one person reccomend i use thread along the whole length of the barrel in this topic from a while ago.

http://www.spudfiles.com/forums/hop-up-t11238.html

and noname commented

All you need to is cut a tiny slot in the end of your barrel (perpendicular to end of barrel, about 1 cm from the end) and put an O-ring in it. It works great, and replacement O-ringas are only like $0.10 at that size.

there we go so i guess thats how he did it

[nsane-spuds]

i usually use a 3d animation software (3dsmax) but when im in a rush i use ms paint