Installing Hop up Help

Discussion in 'Gun Building, Modifications & Repairs' started by TheLostCause, Aug 8, 2012.

  1. TheLostCause

    TheLostCause New Member

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  2. cysko

    cysko New Member

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    What you have is called a "two piece hop-up" and what you want is a "one piece hop-up". In order for you to change them you will need to get metal upper/lower receivers for your gun. Which then you would also need to buy a new barrel and change a couple other internal stuff to correctly put in the "guts" from your other gun + the new hop-up unit into the metal receivers. So I'd reccomend just getting a better hop-up top(that looks like the one you have, so it fits) if you just need/want replace that, other wise it will cost alot of money and time.

    2 Timothy 2:14
     

  3. marine121496

    marine121496 Wahahaha~ Supporting Member

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    cysko is right for the most part however you don't need a metal body for a one piece hop up, don't get me wrong you still need to buy a different receiver but combat machines and my king arms are both nylon and they have one piece hop ups.
     
  4. cysko

    cysko New Member

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    Ya I'm not sure about other brand M4's but I do know that my friend had to get a new hop-up and the only way he could change his to a 1 piece was to get new receivers( we both have JG m4's. He has the S-system and I have a CQB-R model)