Originally posted by crgintx
reply to post by severdsoul
The long proven stability speed limit for diabolo style pellets is between 920-930 fps no matter what the caliber. Most domed pellets are pretty accurate from 700fps up to 920fps. Domed pellets have a little better ballistic coefficient than pointed pellets and are the best choice for hunting at longer distances. My .177 Air Arm S-400 XTRA FAC is tuned to shoot 10.0-10.6 grain weight at 920-950. Most of the top US field target shooters shoot anywhere from 870-920 fps with either JSB Exact 10.2 grain pellets or Crosman Premier 10.5 pellets. Even my low-buck Chinese B-21 can shoot dime sized groups at 25-30 yards with .177 JSB 8.4 grain pellets at 940fps.
The old springer limit of 800 fps with accuracy was broken years ago by numerous airgun tuners like John Bowkett, Ivan Hancock and Ken Turner. Ivan Hancock's famous Mach 1 airguns in fact shot through the sound barrier(1100 fps) with good accuracy.
The Korean PCP guns will push their heavy for caliber pellets with near match accuracy at 1000 fps+ at well beyond 100 yards. Along with the Air Force Talon/Gunpower Stealth, they are easily the best all-around hunting airguns for the money right now.
Stateside, numerous whitetail deer and smaller wild boar have fallen to air rifles with as little as 15-16FPE muzzle energy. I've known a couple of hunters who routinely harvest whitetail deer with a Theoben .20 caliber air rifles tuned to the 30 FPE level at distances no responsible bowhunter would even attempt(45-50 yards). These guns shoot dime sized groups at 50 yards and sub 2" groups at 100 yards.
There are numerous plans for low pressure, large caliber air weapons on the internet known as 'spud guns'. If I were stuck in the UK, such a weapon firing darts,bolts or shot charge would be more than capable of taking larger game or a bird on the wing. The other plus is that officialdom wouldn't know about it.