"International Sporter Air Rifle Class is any unmodified factory model with manufacturer's name or logo stamped into the metal of the barrel or breach, having a safe manually and mechanically operated firing mechanism, weighing not more than 101/2 pounds inclusive of sight, as long as a minimum of at least 1,000 of these rifles have already been produced. The action and stock shall be factory made having an unmodified factory stock or good equivalent conforming to the manufacture’s original design, convex on all bottom surfaces unless manufactured item is flat ie: Air Arms S200 or S200T. Stock must be 2.25" or under at its widest point. The action can be either spring or pneumatic; neither the barrel nor the action can be glued in; air regulator, muzzle brakes and silencers are allowed of specific manufactures design. The barrel, calibre and air cylinder can be changed as long as it is provided by the Manufacturer as an option / spare to that model. Any scope may be used with max magnification of 6.5X; scopes with more power will have to be taped in position for duration of match. The barrel can be bedded and have the trigger reworked (or replaced). If it needs to be re-crowned, it can be no shorter than ½ inch from the original factory barrel length as provided for that model by the manufacturer. It is the shooter’s responsibility to document the rifle’s original length. Return to battery shall NOT be permitted. Power to be restricted to 6 ft lbs maximum. Bipods if used is not to be weighed as part of the rifle."
"Unlimited Air Rifle Class A is any rifle having a safe manually and mechanically operated firing mechanism, with no weight limit. Any air regulator can be used as long as it is integral within the air cylinder. Any modification may be made to the rifle and any magnification scope may be used. Rifle with factory stock or stocks that meet 10M Target Class C10 rules or Specials can be used. Stock must be max 3" or under at its widest point. Return to battery shall NOT be permitted. Muzzle brakes, muzzle flips, barrel weights or Harmonic Tuners are permitted. There is no restriction on cylinder size or capacity as long as 6ft/lbs maximum power is retained. Separate Air Cylinders are not allowed, the cylinder must be part of the rifle and the overall weight."
Aber vielleicht wird das Benchrestschießen mit Luftgewehren eines Tages auch hierzulande noch salonfähig.