Congrats on your new Buckmark,they're great pistols.
Only buy Browning Magazines for it,most aftermarket mags are nothing but problems in them.
If you have problems with the ammo you got at Wallyworld,it's not the mfg's fault.I don't buy any ammo from Walmart or Academy.They force the mfg's to almost sell the ammo to them for free,so the mfg's don't spend much time with quality control for their runs of ammo.
You can buy the exact same types of ammo at another store and it will all shoot with very little problems if any,but the so called discount stores will be junk.
You get what you pay for!