No I would not buy that gun.
Pete, I've been shooting for many years. Was on the regiment rifle team in the military as well as a small arms coach, I shot P.P.C. (Police Pistol Combat) for a number of years, am BlackBadge qualified (international rateing), have bought & sold well over 400 guns back in the day and now coach a youth air rifle at my club.
Now Im not the an expert by any means but I do think I can offer you a suggeastion or two that could help.
As far as auto loading handguns go...forget about them for a while unles you plan on shooting over 1000 rounds a year! Reason is, to be good, one MUST practice!
Stay away from the low end Asian crap thats floding the market, low quality = poor performance.
If a handgun is what you want, stick with a revolver made by a time proven manufacture such as Rugar or S&W. Rugars are a working mans gun and the company has wonderful customer care & are a joy to work with. S&W makes quality products but also have to many to choose from, some stand out better than others but the guns are easier to work on & "time" over Colt for example, but that a different story.
Very Important: The handgun MUST fit your hand!!! For you to have any hope of hitting your target, it must be like an extention of your hand. Takes lots of time & practice!!!
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For home defence, go with an uncomplicated shot gun such a basic Mossberg 500. Ya cant get much simpler than that with the safety on the top!
Load it with BuckShot, point & shoot, you'll have better control with a shotgun over a pistol!!!
K.I.S.S. is the golden rule here, anything short of that then your asking for trouble when it comes to protecting you & yours IMHO.
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Question you must first ask yourself is: Do I want a fancy gun to feel cool OR do I want a dependable gun that I feel comfortable with under a high stress situation?
Try this: With your back faceing away from 3 targets positioned at 5, 10 & 15yards down range, and with a pistol in your hand, turn and fire one shot at each. Do this quickly to assume it is someone shooting back at you! Each miss represents another round being fired back at you!
Now do the same exercise with your shotgun thats loaded with BuckShot.
...I rest my case!
Bob