UK AA is by far the worst of the original 4 nations. So don't expect really fast reload guns (unless using Pom-Poms). I use reload gunners and 5.25 RP I guns. I get decent results, not as good as US or KM. My biggest complaint about UK AA is not the reload, but the weight of the guns. The UK AA guns (excluding Pom-Poms) weigh twice as much as US counterpart, taking up displacement that could be use for speed / bulge. There is a reason why so few people use AA with UK ships. They're just not that good compare to other nations.