The couple are set to tie the knot at their French estate Miraval later this year and Pitt installed the range and an armoury on site as a gift for his bride-to-be.
"Brad had a lot to live up with his wedding gift considering Angelina exchanged vials of blood with her ex-husband Billy-Bob Thornton," a source told thesun.co.uk.
"But Angelina clearly finds shooting an aphrodisiac. When she and Brad were around weapons on the set of 2005 'Mr & Mrs Smith' they ended up together.
"And by letting Angelina de-stress at the range, he's less likely to get earache indoors. There's a lot to be said for that when you have six kids," added the source.
It's no surprise Pitt is pulling out all the stops as it was recently claimed that Jolie has invited her ex-husbands Jonny Lee Miller and Billy Bob to the wedding.
"Angelina has remained close to both Jonny and Billy so they'd certainly be invited," said the source.
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