home made air rifle

Discussion in 'Shooting, Hunting and Fishing' started by cam_up, Mar 17, 2009.

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  1. this may sound mad but i want to make a air rifle with a 100ftlbs power big bore like .50cal can any one give any advice blueprints makeing diagrams and so on
  2. Well, you got that bit right! :D
  3. You're right, it does sound mad. The legal limit for air rifles is somewhere around 12-14 ft lbs; beyond that you need a FAC. You're also quite likely to injure yourself trying to fire a weapon knocked up out of bits of old pipe and Cornflakes packets. What the hell do you plan on doing with it anyway?
  4. an FAC would be a good start if your wanting more than 12 ft lbs.
  5. LancePrivateJones

    LancePrivateJones LE Book Reviewer

    I think you might want to ask advice on the 'Legal' forum about this first.

    Is it a Wah?
  6. Made a potato cannon out of plastic drain pipe once, powered with hairspray, strong enough to blow a hole through a door, will that do??
    • Like Like x 1
  7. Biped

    Biped LE Book Reviewer

    It will be completely illegal. That's not to say it ain't possible of course - the Shin Shung (not sure if it's Korean or Chinese) air rifle comes in .50 calibre 1-shot versions - and the power output is similar.

    Sheeit - you can even get it in 80ft/lb .22 versions!
  8. his sig block explains it all.

    "i have serious anger issues!!!!!"
  9. LancePrivateJones

    LancePrivateJones LE Book Reviewer

    Looks like it may not be a Wah after all.

    Enjoy : http://www.airgundepot.com/shinsung-air-rifles-50cal.html
  10. Biped

    Biped LE Book Reviewer

    aaaaaand here's the spec sheet:

    It's not a one-shot - it's a TEN shot!

  11. Biped

    Biped LE Book Reviewer

    Read above :roll:
  12. 12 ftlbs is deffinately the legal limit. Anything over needs to be on ticket.
  13. Given that, is there any way to test the power at home?
  14. A chronograph, and then some mathematical jiggery pokery involving the calibre of the pellet (i think).