The GLOCK 20 V MOS pistol is full size for maximum capacity and performance chambered in 10mm AUTO. The slide is precision machined to provide a mounting system for popular red dot optics. You can quickly and easily mount red dot sights to the slide using adapter plates. The G20 V MOS pistol features the GLOCK Marksman Barrel nDLC surface finish front serrations an ambidextrous slide stop lever and more.The SAFE ACTIONA(R) System is a fully automatic safety system consisting of three passive independently operating mechanical safeties. All three safeties disengage sequentially as the trigger is pulled and automatically re-engage when the trigger is released.Length (Overall)**205 mm I 8.07 inchSlide Length191 mm I 7.52 inchWidth (Overall)35 mm I 1.38 inchSlide Width28.5 mm I 1.12 inchHeight incl. Mag.140 mm I 5.51 inchLine of Sight (Polymer)176 mm I 6.93 inchLine of Sight (Steel)175 mm I 6.89 inchLine of Sight (GNS)174 mm I 6.85 inchTrigger Distance**72.5 mm I 2.85 inch