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  1. thammer

    PCP Rifle $500 TYD New Tuned Kral Jumbo Tactical

    New Kral Puncher Jumbo Tactical for sale. Tensioned barrel, enlarged ports, hammer modification and new spring, new delrin poppet with increased return pressure on spring. 425cc 200bar fill. 40 shots at 47fpe average. Chrograph slip and test target at 45 yards shown below. 5 shots with AA...
  2. thammer

    PCP Rifle WTS Airforce .457 Carbine

    Airforce .457 Carbine. It's used but good condition. See pictures. Holds air, functions and shoots normally. $650 OBO PayPal/ Venmo/cashapp. I'll cover all fees and shipping to lower 48 only!
  3. thammer

    Steyr info?

    Got a chance at RMAC to check out the Steyr guns. Brian from Edgun West is involved as many know but they are on their own site separate from the Edguns. Had hoped to see more people share their experience with them as they seemed to have started or been in the mix when quality semi-auto...
  4. thammer

    KRAL Bighorn Maxflow valve

    A few mods to the factory valve turns it in to a much more powerful platform. Open the dropblock port to 1/4" ream and polish the valve throat to 5/16" turn a new peek poppet on a 1/8" drillrod stem and no valve return spring. Drill/tap the original valve stem hole and thread in a brass screw...
  5. thammer

    EBR setup

    Been 3 months in the making fitting in a few minutes here and there. Removed the shim in the reg and dropped the pressure to about 2400psi. Added a sidelever. Made a new hammer with a longer stroke so the bolt locks back and I can mag swap without holding the lever. 28" TJ hammerforged barrel...
  6. thammer

    Quick power up!

    Other than enlarging the port from barrel to valve this is all you need to greatly improve performance of the Kral guns. Power adjuster and barrel ported to 3/16" on both the .22/.25 Valve ported at an angle (20°) .22 (5/32") = 30-35fpe .25 (11/64 - 3/16") 45-60fpe Kral Pro500 tune kit...
  7. thammer

    Magazine or singleshot for 50/100 yard benchrest?

    If the magazine isn't causing a noticeable difference on accuracy I think that's a better system so you can knock out shots faster during a consistent/lull wind timeframe. I'm planning to build a custom from scratch .22 bench gun and looking for input from those familiar with shooting these matches.
  8. thammer

    Other Kral Tuners?

    I'm going to be offering several additional tuning parts and upgrades for Kral along with several additional pcp guns. Benjamin Craftsman, Airacuda, Umarex, Gamo and Avengers along with slug barrels for most of the commonly owned guns out there. These will be available to tuners and customers...
  9. thammer

    Gamo Arrow

    Ordered a Gamo Arrow Monday from PA. Got here today. Came doubleboxed from GAMO already. I knew from the YouTube reviews it was a 40 shot at 16fpe gun in .22 so didn't bother shooting it stock. Takes about 90 seconds to disassemble and another 5 minutes on the lathe opening up the TP to .147"...
  10. thammer

    FX barrels

    When measuring an FX barrel say 600mm is that just the liner length or the full length with port thimble and housing?
  11. thammer

    Barrel diameter by models

    Looking to compile a list of guns by the largest section of their barrels so I can get blanks made for slug barrel drop-ins. Edgun Leshiy classic = 12mm Kral Family including the new Benji = 14mm Kral Bighorn = 15mm FX = 14mm Veteran = 15mm What else is out there?
  12. thammer

    I hate regulators

    One of the reasons why I try to talk people out of regulating an unregulated gun. Not only is the gun set up to open at full pressure meaning the hammer is probably too heavy and valve return spring to light but also usually needs a different hammer spring to actually perform at the intended...
  13. thammer

    First outing for the Kral Bighorn "MOUFLON"

    As per my normal. I mounted and zeroed my scope this morning then headed out to a 100yd BR comp. New gun never shot at 100 with a new scope. Took high card of the day at 229/250 and a 3 card score of 661 for 3rd place overall. Kral Bighorn .30 with a double bottle and tensioned TJ hammer forged...
  14. thammer

    Why dry air is so important

    Customer gun. 5 years old. He couldn't belive that I found this and and why I couldn't finish the tune. Blamed me somehow. This is why customer tunes are so stressful. 
  15. thammer

    Tensioned barrel nut with built in air stripper!

    I've never claimed to be a machinist and my lathe and mill are both manual but still fun to build on. May not be the prettiest but hopefully very functional. Going on my HFT rifle. 
  16. thammer

    Heavy hitting compact!

    Unfortunately I won't be able to share many stock performance figures as this will go under the knife rather quickly to get ready for RMAC. Will be my Precision/Speed rifle. What I can tell you the trigger is fantastic and the cocking lever is in perfect position. Will tune out to 20 shots at...
  17. thammer

    Tensioned steel shroud RMAC build

    Using a thick walled DOM steel tube since weight is good on a bench gun. Not much practical use for a carry gun but the premise is the same. Used 4 heavy bellville washers at the breech in hopes they will absorb any shrink/expand from temperature fluctuations plus 3 internal spacers as well. At...
  18. thammer

    Don't feel left out!

    For those of us not shooting 80 to 100 ft lb in 22 caliber hopefully this will be a new option for still shooting slugs accurately. I have been watching the slug Market growing and I had an idea that it would become the new normal. A lot of us are shooting 22 caliber at under 50 ft lb so I...
  19. thammer

    I finally have the OK to share this!

    Now that the .30 gauntlet has been seen in the wild the guys at Umarex cleared me to share the story. It started just over two years ago. I had tuned a few gauntlet guns, had done a few custom .357 QB builds and was doing .30 conversions on Kral guns when I decided to reach out to Umarex. I had...
  20. thammer

    What are you shooting at RMAC/EBR this year?

    First part of my build. Double bottle adapter for the Kral. Going on a .30 Bighorn with a tensioned TJ barrel and topped with 46x60 fixed powered scope.