With The G17 Gen 5 MOS FS GLOCK Enhances The Already Near-perfect Gen 5 Model Of "The Original" With The Addition Of The Modular Optic System (MOS). The Slide Is Precision Machined To Provide A Mounting System For Popular Optic Sights. 

All Of The Gen 5 Qualities are Present In This Standard-size Pistol: The Latest GLOCK nDLC Surface finish On The Major Metal Components, Unmatched In Hardness And Rust Resistance; The High Traction Gen 5 Frame Texture, Quickly Reversible Magazine Catch, Ambidextrous Slide Stop Lever, The GLOCK Modular Backstrap System (MBS) for Individual Operator Adjustability, The Universally-acclaimed GLOCK Safe Action®System and High Visibility Orange Magazine Followers. 

Specifications:
• Cartridge: 9x19mm
• Length: 202 Mm / 7.95 "
• Width: 34 mm / 1.34 "
• Length Between Sights: 169 mm / 6.65 "
• Height: 139 mm / 5.47 "
• Barrel Length: 114 Mm / 4.49 "
• Weight: 705 g / 24.87 oz (unloaded); 945 g / 33.33 oz (loaded)
• Trigger Pull: 25 N
• Magazine Capacity: 17 Rounds.