The Quadro “Big Five” Africa Drilling comes in the double rifle drilling configuration and features two big bore rifle barrels placed side by side with a 20 gauge 3” chambered shotgun barrel centered below it. For example, a QUADRO “Big Five” in .470NE / .470NE / 20ga/3” would be a typical and useful caliber/gauge combination for Africa.

Other calibres:
.375 Flanged Mag NE / .375 Flanged Mag NE / 20ga/3”
.500/.416 NE / .500/.416 NE / 20ga/3”
.470 NE / .470 NE / 20ga/3

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What do you think?