FEATURES: The only current printed manual that includes information on ALL models. GEN 1 2 3 4 5 Model 17 19 20 21 22 23 24 26 27 29 30 31 32 33 34 35 37 38 39 40 41 42 43 45 48 X and MOS versions. Easy to use -- Comb binding lies open and flat on your work surface. 28 pages & 63 high-resolution grayscale images. Cardstock cover. Bright white paper. ALL images and text are A(C) 2019 Gun-Guides, LLC. - ALL Rights Reserved. All references to GLOCKA(R) and Safe Action PistolsA(R) are federally registered trademarks of GLOCKA(R) , Inc. or Glock Ges.m.b.H. Gun GuidesA(R) and this publication are not affiliated with or endorsed by GLOCKA(R) , Inc Mfg: Gun-Guides