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  1. Don_Fabb

    25 cal slugs vs. 22LR

    I'm relatively new to this addicting PCP world. I'm aware the 22LR projectiles have more power. But, in general which has more accuracy out to 100 yards, and which has more drop/rainbow?
  2. Don_Fabb

    Any issues with your GX CS4?

    Hi, Have any of you had any issues with your GX CS4 compressor after operating it for a few weeks, month, or year? (note: I'm a bit concerned with the 5 hours per turn of the grease pot since I don't have an integrated timer)
  3. Don_Fabb

    Benjamin Tuning - Benjamin Marauder 0.25 Cal 40 shots/40 FPE tune

    Hi, I am attempting to fine tune my Benjamin Marauder 25 caliber with the famous 40 shots/40 FPE tune. I have modified the air rifle with the Tim Hill modifications by widening the transfer port, changing the valve, hammer, hammer springs, and lighter hammer striker. I've also added a huma...
  4. Don_Fabb

    Compressor - New GX CS4 Performance Issues!

    Hi, I have recently purchased a GX CS4. I have about 4-5 hours of use with it. When I first purchased the unit I did upgrade the connecting hose for charging to a longer one (about ~3 feet long) and the dead head tests were about 1 minute for 300 bar fill (vs. the 38 seconds per the...
  5. Don_Fabb

    Umarex Umarex Gauntlet 0.30 caliber w/ 44.75g JSB!

    Hello airgun nation community, I recently purchased an Umarex Gauntlet 2, 30SL for a great bargain price. This is an extremely powerful, loud, and large air rifle. I am testing out different pellets and slugs and after many tests with multiple projectiles (ex. pellets, and slugs) contrary to...
  6. Don_Fabb

    Huma-Air Regulator

    Hi, I have recently purchased a Huma-Air regulator with the integrated pressure gauge inside my Marauder 25 caliber. When I received the regulator it had to be screwed into the cylinder housing that contains the pressure gauge hole. I tightened the regulator as much as I could with my hands...
  7. Don_Fabb

    Tuning Regulator Set Pressure (internal) vs. Pressure Gauge Reading (external)

    Hi Group, I recently installed a brand new Huma-Air regulator with integrated pressure gauge on my Benjamin Marauder 25 caliber. After successfully installing it I am getting outstanding performance out of it. The regulator is set at 130 BAR with consistent velocities of 842 FPS with the...
  8. Don_Fabb

    Benjamin Benjamin Marauder 25 Cal - BP2564 - Gen 2 (Modification)

    Airgun Nation Community, All I have to say is wow, wow, and wow. Phenomenal performance from Tim Hill of Hill Airgun. I started with the "Max Power Match Parts Kit - Rifle" and figured out quickly I rather have a balance between efficiency and power and gained interest in the famous 40/40 tune...
  9. Don_Fabb

    Hill Airgun - Product & Service (5/5 Stars!)

    Airgun Nation Community, All I have to say is wow, wow, and wow. Phenomenal performance from Tim Hill of Hill Airgun. I started with the "Max Power Match Parts Kit - Rifle" and figured out quickly I rather have a balance between efficiency and power and gained interest in the famous 40/40...