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Gander Moutain had some Fiocchi 380 ammo on sale a couple of weeks ago. Only picked up one box. Had a bunch of miss feeds. I think their ammo may have been just a tad longer in length which caused the miss feeds. I'm using a Bersa, not my carry gun, first handgun I purchased years ago, thought ammo would be cheaper.

I have used Fiocchi 380 ammo in my P238 without problems, but as far as I can tell it will digest anything.

striker55 wrote: I think their ammo may have been just a tad longer in length which caused the miss feeds.

That's the problem. Somewhere there's a Youtube video demonstrating it.
It seems to affect some guns more than others. I've also seen where it can "trip" the mag release mechanism
as it works it's way up through the magazine.

When I started reloading, one of the items I purchased was an L.E. Wilson Max Cartridge Gage for each of the calibers I was going to reload (.45 ACP, 9mm, .223 Remington, .308 Winchester). Here is what the product description says:

The L.E. Wilson Max Cartridge gage gives reloaders the ability to check all critical maximum SAAMI cartridge dimensions of straight wall cartridges - mouth diameter, base diameter, rim thickness and diameter, case and overall length and bullet diameter.

Technical Information
Notes:

• If your cartridge will fit into the gage, it should fit in any firearm chambered to SAAMI specifications for this specific cartridge.
• Not all firearm chambers or magazines are designed to SAAMI specifications.

Basically, if you are not sure if a cartridge will fit the chamber of your gun, drop it into the gage. If it won't go into the gage, it won't go into your chamber.

Another item I purchased was a dial caliper. Checking the cartridge overall length (COL) will determine if the cartridge will fit lengthwise in the gun's chamber (it will also check if the bullet is seated too deeply, dangerously raising pressures). COL for the .380 ACP cartridge is .984" (25.0 mm).

If you have either of these items, you can check to see if this is a poorly manufactured cartridge. Conversely, if the cartridge is within acceptable measurements, you'll know if your individual gun's chamber specs are a little too tight.

I have only shot Fiocchi in .40 S&W and I had several bad primers in a box. I would say 5-10 out of 50 would not fire. Needless to say I still have 3 boxes of the stuff. It was cheap but I would go with the Wal-Mart cheap brass or Magtech before using Fiocchi from my experience.

The Fiocchi 95gr is the only ammo I've tried that my Kahr P380 will not reliably feed. It is observably longer than other brands.