Rob Kardashian is indulging in some interesting extracurricular activities just days before he's set to welcome his first baby.

The 29-year-old recently posed with a group of people holding guns at a shooting range in Southern California — giving a shout-out to firearms dealer Taran Tactical.

The reality star's fiancée, Blac Chyna, is due to give birth any day now, and it's been reported that the 28-year-old has booked the same luxury suite that future sister-in-law Kim Kardashian used at Cedars-Sinai Medical Center.

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But that's not the only thing the mother-of-one is copying. It's pretty obvious that Chyna has been taking her maternity style cues from the 36-year-old brunette beauty.

Scroll through the gallery below for cute photos of Rob and Chyna before their new addition arrives!