I had a look at a revo concept yesterday and it certainly looks well made, the machining and finish was peşin on. REVO CONCEPT : Beuchat innovation that procures improved accuracy and increased power, and reduces recoil at the moment of firing. 5mm stainless steel tahitian shaft closed muzzle http://israelkkifc.myparisblog.com/9618939/detaylar-kurgu-ve-hero-revo-concept-speargun