I have both the Glock 20 and Sig Sauer P220 full size, but I was unsure about which one I liked the best. They are both awesome pistols, but I have noticed that the Glock has more capacity, more features, better functionality and ease of use—among others....
The Sig has a very well balanced and low profile; however, it lacks the Browning locking mechanism which I love about the Glock... I cannot ride the slide forward into full battery on the Sig; whereas, with the Glock I can
The 10mm is magnum power in a full size autoloader with 15 rounds
Even though it is a little bigger than the Sig, I can easily conceal it under an over-shirt. I am looking forward to the Glock 20 Generation 4 which is supposed to be a little slimmer (like the short/slim frame G20).
Controllability with the Glock 20 and full power Double Tap loads is superb—and feels just like the Sig—as long as you shoot heavier 180-200gr loads.
Bottom line, while both the Sig P220 and Glock 20 are two outstanding pistols, I am going to have to choose the Glock 20 as the overall winner. Both the Germans and Austrians make sweet pistols!
The Sig has a very well balanced and low profile; however, it lacks the Browning locking mechanism which I love about the Glock... I cannot ride the slide forward into full battery on the Sig; whereas, with the Glock I can

The 10mm is magnum power in a full size autoloader with 15 rounds

Controllability with the Glock 20 and full power Double Tap loads is superb—and feels just like the Sig—as long as you shoot heavier 180-200gr loads.
Bottom line, while both the Sig P220 and Glock 20 are two outstanding pistols, I am going to have to choose the Glock 20 as the overall winner. Both the Germans and Austrians make sweet pistols!
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