Complex sentence: This Old West-style gunslinger pilots the "Sixgun", a customized A- 10 Thunderbolt II packed full of enough sophisticated weaponry to keep a whole air force at bay; and Slingshot knows how to use all of it with unmatched precision.
Split into simpler sentences: This Old West-style gunslinger pilots the Sixgun: a customized A- 10 Thunderbolt II packed full of enough sophisticated weaponry to keep a whole air force at bay. And Slingshot knows how to use all of it with unmatched precision.