Ammo for the rest of us?
Not every user rises to the level of law enforcement, military or is otherwise an expert. In selecting ammo for the Shield it seems relatively clear that Federal HST hits the sweet spot based upon videos.
However, in testing self defense ammo for my Shield, Beretta PX4 Storm full size with 4" barrel, Sprinfield XDM 4.5" and a Sig Sauer P938 3" (all 9mm) in magazines ranging from 6 to 18 bullets, it's relatively impossible to go to the range and end up always knowing what brand/model/load etc. is loaded in the half dozen or more magazine as time goes on.
I find it quite easy to end up with magazines with mixed bullets in part because the manufacturers do not fully identify their bullets. While the information may not fit all around the primer, is there a reason why they cannot add the models, loads and any other relevant information on the side of the cartridge? It certainly would not affect the flight of the bullet.
Obviously someone who has the money to buy a few hundred rounds of each high end bullet and the ability and inclination to set up their own range in the woods with unlimited time might be able to do so, but that is probably the vast minority off shooters. Also, not everyone has the skill to group rounds or interpret their groupings based upon the brands and the other variables including distance, the gel mix, four layers of denim, sheet rock vs. dry wall, wind conditions and the fact that the attacker may raise their hand in their own defense. Why not at least provide the specifications to the consumer who just may end up with multiple brands loaded in his magazine?
I really hope the response is not based upon "if you can't tell, you shouldn't be shooting." If everyone knew the answer from their own experience or testing, all the video test sites would go u viewed. Even then, with Ammoquest the Federal HST is the clear winner but LE chooses different bullets for penetration vs. self defense. How many Manufacturers indicate Critical Duty, LE or Self Defense around the primer? Tires have much more in the way of specs.
Then if you even think you reached a conclusion, does that mean you "waste" the rest of your inventory at the range on Zombie targets since the first shot you ever have to take may be your last shot? Those bullets will theoretically have different characteristics which is why you were testing in the first place. (It seems that the mechanical compatibility of a bullet with your gun is the most testable factor).
Unfortunately, many departments chose ammo for reasons that officers do not particularly think are important!
