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Glock recommends using only ammo that meets SAAMI standards, some +P meets it, some doesn't. It may shorten the life of parts in your gun. I use a 19lb recoil spring in my 43X to reduce the stresses of +P, seems to help a lot.

firing a lot of +P just increase your cleaning, inspection and lubrication intervals and you will be fine. Glocks are tough

yes it is +p rated but of course higher pressure rounds increase wear and serve no purpose at the range

Scottie, yes Sir it is. If firing a lot of +P just increase your cleaning, inspection and lubrication intervals and you will be fine. Glocks are tough. Cheers and stay safe!

Yes, Glock 43x can handle +p ammunition. Glock recommendes limited use since it can wear parts quicker than standard pressure ammo but all manufactures recommend that. Hope this helps.