Every Glock Cover-Up model ships with an optic-cut slide- RMR footprint, ported barrel & slide for reduced muzzle rise and faster follow-ups. The Circuit Board vibrant green frame with intricate microchip-style engravings for a tech-inspired aesthetic. The GLOCK 19 Gen5 pistol in 9mm Luger is ideal for a more versatile role due to its reduced dimensions. Gen5 features flared mag-well has a larger funnel; Glock Marksman Barrel (GMB) more aggressive polygonal rifling with a target-style crown and tighter chamber specs; ambidextrous slide stop levers offer increased ergonomics for left-hand shooters and shooting with the support hand; removal of finger grooves; Safe Action System, safeties disengage sequentially as the trigger is pulled and automatically re-engage when the trigger is released; enlarged floor plate makes it easier to pull the magazine free of the pistol and customizable frame size with backstraps in two sizes with beavertail. The multiple backstrap frame allows the users to change the circumference of the grip to fit their individual hand size.