ULT and Pressure input

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  • dstud2000
    Demon Slayer

    • Aug 2007
    • 491

    #1

    ULT and Pressure input

    So I have a Pro V2 SHP reg on my tank that I use for my Tac One with standard rt on/off. On my new setup I am building I will be running an xvalve with ULT. What pressure range should I look for to run a ULT and not get any bounce but still be able to shim for some bounce if wanted or needed. Will 850 psi be a good middle of the road pressure to go for, maybe the AGD/powerhouse reg? Or lower like 700 to 650 psi, say like a Pro V2 adjustable.


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  • Sandman
    AGD
    • Feb 2011
    • 405

    #2
    ULT's were designed for 750 to 850. Lowers pressures will just cause the gun to feel "sloppy". This is generally typical of all mags at a lower pressure. Higher pressures you run the risk of damaging the ULT pin. ULT's are a very delicate two piece pin set, that are loctited together. I'm not saying you can't run the ULT at high pressure. People do. I'm saying it wasn't designed for SHP input. People do all kinds of things with mags they they were not designed for......That's what makes them fun. But the pinset is expensive. If you run SHP I suggest stock on/off always.
    AGD is in the house!
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    • dstud2000
      Demon Slayer

      • Aug 2007
      • 491

      #3
      Originally posted by Sandman View Post
      ULT's were designed for 750 to 850. Lowers pressures will just cause the gun to feel "sloppy". This is generally typical of all mags at a lower pressure. Higher pressures you run the risk of damaging the ULT pin. ULT's are a very delicate two piece pin set, that are loctited together. I'm not saying you can't run the ULT at high pressure. People do. I'm saying it wasn't designed for SHP input. People do all kinds of things with mags they they were not designed for......That's what makes them fun. But the pinset is expensive. If you run SHP I suggest stock on/off always.

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      • dstud2000
        Demon Slayer

        • Aug 2007
        • 491

        #4
        Well I ordered an AGD powerhouse haymakr this morning and an hk aerolite 68/4500 tank. I guess we will find out next week how it goes.


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        • AGDRetro
          AGD Enthusiast
          • Feb 2006
          • 764

          #5
          I had always run mine with tanks in the 800 to 850 psi range, properly tuned with a good trigger you'd have a walkable but still controlled ROF. ULT tigger'd Mags are still my favorite way of shooting them, Overgass'd RTs and Battery powered E-Mags were never my "jam". That Powerhouse reg looks sweet, can't wait to here your review of the gun + reg combo!
          Steve Shuey , Team Crimson Reign
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          • dstud2000
            Demon Slayer

            • Aug 2007
            • 491

            #6
            Originally posted by AGDRetro View Post
            I had always run mine with tanks in the 800 to 850 psi range, properly tuned with a good trigger you'd have a walkable but still controlled ROF. ULT tigger'd Mags are still my favorite way of shooting them, Overgass'd RTs and Battery powered E-Mags were never my "jam". That Powerhouse reg looks sweet, can't wait to here your review of the gun + reg combo!
            Yeah I will definitely put up a review.


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