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  1. Dave S Nothere

    Hatsan blitz mods

    I had to use a rubber strap wrench to get mine off the first time. https://www.harborfreight.com/rubber-strap-wrench-set-2-piece-69373.html
  2. Dave S Nothere

    Hatsan blitz mods

    Once the system is degassed 100% the bottle should spin off as you'd expect. You must loosen and move the barrel band out of the way of course. I put my old 580cc OEM 310 Bar tank into service as a portable refill tank for my 25 cal Diana Bandit (50cc 100-200 bar). I get about 8 refills out of it.
  3. Dave S Nothere

    Hatsan blitz mods

    Tuning results: 16 different models of ammunition, including 5 different weights of the H&N .249 Cal slugs, the FX Hybrids, JSB's, H&N's and Seneca pellets. Every round was shot ten times each at three regulator settings. My Blitz is the late model 25 Cal version. I ported the transfer port in...
  4. Dave S Nothere

    Hatsan blitz mods

    You can view the port/barrel connection through the hex screw plug that sits under the action and just forward of the screw hole for the stock securing screw. It's secured with thread locker/sealant. You will have to take the valve out to see all the way past it and up into the port. I use...
  5. Dave S Nothere

    Hatsan blitz mods

    Thanks for the input. My spring feels like it can't take anymore preload without binding. How old is yours? Does it have the newer spring mechanism? The old cap was blank, the new one has a hole in the middle with a large adjustment screw. I was actually leaning to the idea of easing it up a...
  6. Dave S Nothere

    Hatsan blitz mods

    I ran it set to 170 Bar and I ended up with poor accuracy and pellets in the Ronin but little extra speed. I then ported it and set the reg down to 140 and retested for this posting. It's been slow going as I had to take a break for heart surgery on Friday. I just got home but now I feel much...
  7. Dave S Nothere

    Hatsan blitz mods

    Here's the early testing of my modded Blitz 25.