Track Palin Divorce -- I GET THE GUNS!

Sarah Palin's son Track is loaded ... TMZ has learned ... saying goodbye to his marriage with his most prized possessions in hand ... guns.

Track Palin and his soon-to-be ex-wife Britta filed divorce docs which tick off who gets what.

-- 23-year-old Track -- an Army reservist -- gets the $30,000 Wells Fargo bank account, $500 in tools, and his $1,000 gun collection.

-- 22-year-old Britta gets her $2,500 bank account and her $4,000 in jewelry.

TMZ broke the story, the couple filed jointly for divorce in an Alaskan court ... which means they have fully settled their property and custody issues, including child support for their 1-year-old daughter.

According to the doc, Track rakes in $42,800 a year -- and has agreed to pay $642 a month in child support. Track and Britta have agreed to split any other child-related expenses, including medical and travel.

Britta gets physical custody, and will share legal custody with Track.