new old stock GLOCK 17 GEN 3 10 ROUND  9MM MAGAZINE OEM AUSTRIAN MADE this is a original new gen 3 10 round mag it will work in the gen 4 and gen 5 also but can switch the mag to left side due to 1 notch of the gen 3 mag very hard mag to still find new  i have a few thousand mags let me know what ya need listed. this mag will also fit other glock models in the same size as the 17 frame this mag will also work in the 19 and 26 its will just stick out further if you want a oringial mage to go with your gen 3 our live in a state wear gen 3 only legal  this is your chance to get a new one