http://homepage.ntlworld.com/sgoodwin/JW/index.html
moins de recul encore que la diana airking 54 ?
tous calibres disponible, et toute puissance : jusqu'à 26 lb et 31 lb en kal.
.25
pas bon marché mais cela semble le top..
groupement de 1,35 inches à 80 yard..j'ai lu, pour une ressort !
Yves
Standard Features
Adjustable two stage trigger, pull adjustable down to 6 oz (Optional Match-adjustable down to 2 oz.)
15" Polygonal Barrel with integral H.O.T.S. (Harmonic Optimization Tuning System) muzzle weight Aircraft quality aluminum alloy components, rifle weight 10 pounds
Recessed under lever cocking arm with positive anti-bear trap safety
Full elastomeric mounting compensates for temperature and humidity variations
Twin opposed pistons to eliminate recoil New lightweight, high strength steel alloy pistons
4 high performance counterwound springs to reduce stress and torque
Grade 2, right hand thumbhole stock with palm swell and textured hand grip
Both pistons feature a lubricant reservoir, greatly extending lubrication intervals (Up to 30,000 firing cycles)
Multi-adjustable cheekpiece and butt plate
Turned Brass spring guides, sprung loaded to eliminate spring vibration
Interchangeable barrel capability
Resetable, automatic safety
Calibre choice of .177 .20 .22 or .25
Pellet is directly hand loaded into barrel's rifling
Scope rail droop compensated