[Gaffer]

The M9 doesn't meet it for a multitude of reasons," Easlick said. "It's got reliability issues; the open slide design allows contaminates in.

A prudent person would certainly hope the people responsible for procuring this "MHS" actually knew the difference between "contaminates" and "contaminants."

[mountainlion]

Some 1911s fired over 200,000 rounds without failure in tests. I don't think many new guns can do this good.

[rightwingcrazy]

con·tam·i·nate
[v. kuhn-tam-uh-neyt; n., adj. kuhn-tam-uh-nit, -neyt]
noun
3.
something that contaminates or carries contamination; contaminant.

One could argue that maintainers of online dictionaries rush to canonize common grammatical errors, I suppose.

[Fightin Whitey]

the open slide design allows contaminates in

So does the open drop-seat trousers of the LGBTwhateverwhatever

[Alas Babylon!]

It is possible he said contaminants and the reporter typing it in later didn’t know the difference so misspelled it.