Worrisome Justin Bieber has become obsessed with guns and amassing a large collection, and insiders told RadarOnline.com his loved ones, led by long-suffering wife Hailey Bieber , are worried sick while urging him to find a less scary hobby.

The 31-year-old pop brat triggered more alarm bells when he posted photos showing him blasting away with rifles, shotguns and handguns in an open field with a box loaded with ammo beside him.

Shirtless and showing off his muscular, tattooed torso, the Baby singer sported safety goggles and protective headphones. Article continues below advertisement

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"Justin's started collecting guns and his big new passion is firing them on the practic

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