100-400 or so
IIRC it is the Glock Model 23.
A new one retails for about 500 dollars.
50-500 USD or so
No. Because a Glock 26 is chambered in 9mm, as a Glock 23 is chambered in .40 s&w. For example you can use a Glock 22 (full size) in Glock 23 (compact) and in Glock 27 (sub-compact) But you cannot use Glock 27 mags in Glock 23 or Glock 22.
$350-$500, depending on condition.
$300-$500, depending on condition.
200-375 USD
$500, more or less, depending on condition.
25 USD
You'll need to be more specific - there are 5 pistol models that use .40 S&W rounds. They are: -Glock 22 -Glock 23 -Glock 24 -Glock 27 -Glock 35
http://www.glockfaq.com/gunsmithing.htm#slideframe The 23 receiver is not compatible with the 38 slide.
10-30 USD or so