Reloading? No sweat. It's all taken care of under "suspension of disbelief" as the poet Coleridge coined it. But hey, as I recall, he was into opiated Absinthe, so you have to take his "suspension of disbelief" comment with a suspension of disbelief...
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Then did he raise on high the Holy Blaster of Los Angeles, saying, "Bless this, O Lord, that with it thou mayst blow thine enemy Replicants to tiny bits, in thy mercy." And the people did rejoice and did feast upon the lambs and toads and tree-sloths and fruit-bats and orangutans and breakfast cereals ... Now did the Lord say, "First thou pullest the Holy Trigger. Then thou must count to five. Five shall be the number of the counting and the number of the counting shall be five. Four shalt thou not count, neither shalt thou count two, excepting that thou then proceedeth to three, followeth penultimately to four, and with great joy and jubilation, five. Six is right out. Once the number five, being the number of the counting, be reached, then reloadest thou the Holy Blaster, pointest in the direction of thine foe, who, being naughty in my sight, shall continuest to snuff it... until thou again reachest five, remembering thou that five..."
(with apologies to Monty Python)