Gamo Big Bore Airguns – Gamo & Winchester – Accuracy, Power, Shot Count! Gamo TC45 = 400+ FPE! – by AirgunWebTV Please scroll down for more information about the Gamo Big Bore Airguns. Oh Baby..  I can’t tell you how excited I am about these new big bore guns from Gamo and Winchester.  Bottom line is that these are totally badass airguns.  Hitting both ends of the market, Gamo has created some great products here.  The