Ammunition selection for this caliber depends strongly on your intended target. The FMJ rounds are too stable to tumble soon enough in the target. As a consequence, the majority of the FMJ bullets wounding potential is wasted as the bullet travels out the back of the target. If armor piercing (steel core and oftentimes steel jacket with copper coating) ammunition is legal in your area, I would recommend that you own enough to at least load a few magazines. Did I mention that you MUST have spare magazines and ammunition for every gun that you own? Real life fighting for your life is apparently not as sexy as it is in the movies. You must eliminate your attacker(S) and to do so, you must take every advantage that you can get before the fight happens.
Commercial JHP is available for this cartridge but I must caution the reader to trust but verify—test the ammunition in your gun following these instructions: