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  1. Hard Air Magazine - Technical Editor
  2. What Effect Does Dwell Have
  3. .257 bullets and Moulds for AirForce Texan
  4. Chamber Reamers
  5. Cast Bullet Database - A Work In Progress
  6. NOE Cast Pellet Weights
  7. Question about fragmentation
  8. End plugs for HPA reservoirs
  9. Basic efficiency question
  10. Bob’s Bullet Database
  11. Airgun valves and using a cam to open them
  12. Happy Birthday Bob!
  13. Buying firs break barrel
  14. Can someone explain how heavier pellets "buck the wind" better?
  15. Plenum Size
  16. war vavle
  17. Huma regulator for my Gamo Urban .22
  18. Tuning a Regulated PCP
  19. Internal threading Strength Requirements
  20. Building Fill Adapters
  21. Hatsan Air Stripper Adjuster
  22. Shear strength of fasteners
  23. Polycase ammo
  24. 1752 fps (yes > Mach 1.5) with a .25 cal Disco
  25. Tank sizes
  26. .22 Mrod slug shooter tuning help
  27. BC by Labradar
  28. .17?
  29. Correct thread sized tap?
  30. SSG ?
  31. Tuning 101
  32. MOVED: Walkthrough on tuning a pcp and huma reg.
  33. How Barrel Harmonics Can Affect POI
  34. A Decade Passes
  35. Tensioned barrels
  36. Balanced valves in pcp's
  37. SS valve annd Huma Reg
  38. How Unregulated PCPs Work
  39. TP hole alignment ?
  40. DAYSTATE AIRWOLF BOLT
  41. Hybrid pellet/bullets possible???
  42. Spring weight?
  43. BSA Scope from China
  44. Ever Wonder Why Heavier Pellets in a PCP Tend to be More Efficient?
  45. I don't know what to expect?
  46. Transfer port diameter
  47. Regulators and Valves, oh my
  48. Revised CUPS
  49. What is a Reasonable FPE Goal for PCPs ?
  50. How to determine air density?