Scope advice Gamo / Bushnell

[Bagban]

Hello to everyone, I have learnt a lot from various posts about air guns thanks to all, I am new to this sport, have bought Scorpius RF model standard barrel. Planning to fit scope, options are Bushnell vs Gamo. Bushnell felt heavy and sturdy also there was some kind of light in it, on other hand Gamo was having stop in its ring , it was small. Posting link of both below , also there was brand called golden eagle . My dilemma is all the scope cost same 5 k. So kindly advice me which on to buy. Also how to zero it..Thankyou


https://www.algatecoutdoor.com/en/gamo_ ... _scope.php

http://www.ebay.com/itm/3-9X40E-Optics- ... 4aec777c89

http://www.japanoptics.co.jp/html/img/p ... bh-640.jpg