I work for a defense contractor that has the contract from TSA to do semi-annual quals for armed pilots. They don't use the M&P but they are issued the Federal HST 180 grain, so I've seen about a hundred thousand rounds of it go downrange.

It is very clean shooting and accurate. I've never seen a single round not function correctly.

I've worked several police shotings with 180 grain version, and was always impressed by it. I had one HST in evidence that went through a windshield, took a bite out of the steering wheel, and went deep into the chest of the driver, killing him. It weighed 178 grains, was a misshapen lump of about .60 caliber, and still had its jacket.

Its good stuff.

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