This extended, 32-rd, U.S.A made magazine is constructed of a proprietary Dupont™ Zytel® derived high impact polymer, with a steel insert for added rigidity to the feed lips. The spring is constructed of Chrome-silicon wire for added reliability. Will fit 9mm Glock models 17, 19, 26, and 34. All ProMag magazines include a lifetime warranty on manufactures defects.
This is a great inexpensive option for range mags and training mags that will hold up to abuse.
Very nice product! Fits very well nice and snug not loose like other brands! Buy here you'll be glad you did!!