Pneumatic Nail Guns | HowStuffWorks- how to operate a milwaukee nail gun ,Pneumatic nail guns work very well, even at driving thick nails through hard material. But they are somewhat cumbersome tools: You need to drag around a bulky air compressor to power one. In the next section, we'll look at a high-powered nail gun design that doesn't need an external power source.Milwaukee 18 Gauge Brad Nailer Review - AsktheBuilderMilwaukee 18 Gauge Brad Nailer Review. I'm going to preface this tool review with a couple of comments. First and foremost, Milwaukee has a deep legacy of making superb power tools. I've used them for decades. I'm fortunate to be a member of the working press and have been invited to quite a few Milwaukee Tool media events in the past few years.