GAINESVILLE, Fla. (  —  A Florida mom who runs a pro-gun Facebook page was shot by her 4-year-old son Tuesday.

Jamie Gilt, 31, told deputies that she was on her way to pick up a horse when her son accidentally shot her.

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The boy was not harmed in the incident.

Her Facebook page — “Jamie Gilt For Gun Sense” — works to protect and expand the Second Amendment.

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Gilt said she was driving in her pickup with her son in the backseat when he got his hands on the weapon — a .45 caliber handgun — and accidentally shot her in the back.

On Monday, Gilt had boasted about her son’s ability to use a firearm. “My son gets jacked up to target shoot,” she wrote.

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She was taken to a hospital in Gainesville where she is reportedly in stable condition.