SIG will rust quicker than a Glock?
Most SIG's have stainless steel black nitron finished slides and aluminum alloy lowers.
I dont think Glocks slides are stainless steel.
I am SIG Armourer certified and if you were to take both guns down right to the bare frame you can see the difference in quality immediately.
Theres a reason alot of the LEO agencies around the world are now going to SIG and passing on the GLOCK. The Glocks are just not holding up and just need too much service to be cost effective. Now I,m not saying the guns are blowing up or cracking all the time but they due to there design need more work than the SIG's.
The issues with the polymer lower metal upper matings have been an issue for some time and the whole polymer thing doesnt impress me.
Also theres really not much difference in weight between the two guns. The G17 weighs in at 905 g / 31.91 oz. and to use a bigger gun in 45acp as an example the SIG 220 DAK is 31.2 oz.
Dont get me wrong I like the Glock and think its a great gun but its no where near the gun the SIG is.
You get what you pay for. The SIG is a bit more money for a reason.
Now as for external safeties on the SIG I dont know of any but I do know of the internal ones.
Just my opinion here