Hey boys and girls. I bought my wife an XD 9 4" service pistol. Is there any way to change the recoil spring to a reduced recoil spring. I've loaded some 9ammo for my glock 34 for production. Power factor 140. It cycles both guns but will not lock back the slide on the last round on the XD 9. I would rather not upload my rounds. Any ideas, suggestions. Thanks.