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Summary: Learn the difference between a single action, a double action and a single/double action handguns in this free gun safety video.
Lee Laster lives in Western Massachusetts & works in the public safety sector. He has been a state certified firearms instructor for the past 6 years. He is also co-founder of...read more
"This 9mm semi-automatic handgun that I have here is what we consider single action/double action. Now, as in my previous series with the 40 caliber, that was double action only, which meant that initial trigger pull was approximately 12 pounds of pressure in order to depress the trigger to make the weapon fire. This firearm, the initial fire, their initial trigger pull is difficult. It's long. I would say anywhere in between 10 and 12 pounds of pressure for the trigger. That would be double action. Single action comes after that first 12-pound or 10 pound trigger pull. The weapons fires and in recycles. Every trigger pull there after is approximately half of what their first initial trigger pull was. Therefore, we have we have double action and the single action. Single meaning after you fire the hammer stays to the rear and all you have to do is give approximately half of whatever the trigger pull was originally. If this was a 10-pound trigger pull originally, I'm looking at 5 pounds of pressure to depress this trigger and make the weapon fire. Some advantages to the single action you can fire in rapid successions. The rounds come off a little bit faster because there's less of a lead time to get the trigger all the way to the rear fully depressed. There's some departments out there whether it be law enforcement or the military that maybe don't agree with that. Again, I think the theory of that was to make the rounds accessible. Should a person get into a situation where they need it and make accessible as fast they could while taking a well placed shot. Single action would be half as you were. Single action would be half of the trigger pull. Again, if this was a 10-pound trigger pull, the first round would be a 10-pound trigger, and after that it would be approximately half of that."
eHow Article: Single Action Handguns
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Comments
oldephram said
on 8/8/2009 Why is your finger always on the trigger in this video? Aren't you a firearms safety instructor? How can you sit there and teach others about guns when you don't even follow the safety rules yourself?
ironchin said
on 8/2/2008 cool! Dont ever plan on using any of those... but always good to know your enemies ;)