Originally Posted by
TGS
I'll be honest....you're the first person I've ever seen who has dissed the Kahr trigger.
Now I can't speak for the Shield because I haven't had hands on with it specifically. However, in general reference to small safeties such as the LC9 the complaints are because the safety is not as easy to use as a larger one. Just because it's in the same spot and works the same way doesn't mean that it's going to be just as easy to use under stress.
Sure, it's easy to use. You just click it on and off, right? What about when you're under stress? Bloodied or sweating? Damage to your firing hand? There's a huge difference in these contexts between a little nub that goes up and down, and a big lever that your thumb actually rests on.
I personally have experienced stress induced butter-fingers while working with tools that require dexterity and coordination, and will pass if there's a different way to achieving a desirable end-state. I've also had to use weapons after being exposed to 4* temperatures for extended periods, and will pass. Same with my experience using weapons or tools when I'm exhausted, sweaty and dehydrated to the point that my senses and awareness can be summed up as severely impaired; or if my muscles and senses are hyper-active (twitching) from the adrenaline. If you like little nubs, go for it; I personally think there's better options.
Again, I haven't handled the Shield so I can't say I'd pass on the Shield specifically, but in general little safety levers are an immediate turn-off. I'll also advise friends to consider it, and help them make an informed purchasing decision. I hope that helps explain why people might have complaints about little nubs serving as safety levers.