Keith, yes Sir it can no issue. The 124gr version is better optimized for the G43x : budsgunshop.com/product_info.php/products_id/415003573/hornady+critical+duty+9mm+124gr+%2bp

Trin K.
Only need one answer sir...
Back to the question, yes, the +p will function in your 43x just fine. I own one myself and have used +p with no issues.

Yes, the Glock 43X is rated for +P, ammo and will work with any ammo that's within SAAMI specs (which this critical duty is)

YES, +P ammo functions fine in Glock but the manufacturer does not recommend +p+ ammo. I hope this helps!

Yes, Glock 43x can handle +p ammunition so this will run safely threw your Glock 43x. Hope this helps.

YES, +P ammo functions fine in Glock but the manufacturer does not recommend +p+ ammo. I hope this helps!

YES, +P ammo functions fine in Glock but the manufacturer does not recommend +p+ ammo. I hope this helps!

YES, +P ammo functions fine in Glock but the manufacturer does not recommend +p+ ammo. I hope this helps!

YES, Glock works fine with +P ammo but the manufacturer doesn't recommend +p+ ammo. I hope this helps!

YES, Glock works fine with +P ammo but the manufacturer doesn't recommend +p+ ammo. I hope this helps!

YES, Glock works fine with +P ammo but the manufacturer doesn't recommend +p+ ammo. I hope this helps!

YES, Glock works fine with +P ammo but the manufacturer doesn't recommend +p+ ammo. I hope this helps!