ICS M4 Inner Barrel

[Bannnaman]

Right so this afternoon i bought my new hop up have taken the old unit apart and off have started with the new but i didnt pay attention when i took apart to which way up the inner barrel locates is it with the cutout at the top or bottom please

[Opossum]

Re: ICS M4 Inner Barrel

The hole goes at the top

Don't forget the little rubber tube bit that presses down on the hop rubber itself. I found out mine had been running without for years...

[RastaBlasta]

Re: ICS M4 Inner Barrel

cutout faces up in the ICS hop unit. The little bit of rubber goes in the little hole.