Swapping barrel and hop on my KWA MP7

[gwr3850]

Hey Guys,
So i have recently bought the ESD KSC-KWA Evo II hop system for MP7
Which includes a TBB and a "Monster hop up"

Now I have seen videos of people dis-assembling the MP7 itself, but looking at this set up, I am not sure the correct way to install it. There seems to be a small valve in the barrel so obviously I can't shoot BB's.
Has anyone got experience of fitting this design and what is needed?

Many thanks

[Elliot211]

Re: Swapping barrel and hop on my KWA MP7

I suggest phoning a guy called Ian jack at a retailer that will give you solutions of a mil spec style if you catch my drift. He fitted mine and he's a top bloke who is often more than happy to give advice out to anybody. Couldn't recommend him more.


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[gwr3850]

Re: Swapping barrel and hop on my KWA MP7

Yeah thanks, it was the guy I bought it off. Well his website. I'll give him a ring
Thanks