OpticsPlanet Exclusive EC Defense MK-4 Stripped G19 Pistol Slide OD Green EC-MK4 OD GREEN. Being EC Defense's lightest and most aggressive slide features extended length windows and an enhanced muzzel undercut for increased style and decreased mass. The advantage of a lighter slide is the simple fact that you will have less reciprocating mass impacting your joints during the process recoil. Fast flat shooting and the naturally quicker sight alignment of this package make it ideal for the performance shooter. Specifications for OpticsPlanet Exclusive EC Defense MK-4 Stripped G19 Pistol Slide: Manufacturer: EC Defense Gun Model: Glock 19 Model Generation: 4 3 2 1 Optic Cut: No Cut Length: 16 in Width: 11 in Height: 4 in Finish: Cerakote Fabric/Material: 416 Stainless Steel Last Chance: Yes Package Contents: OpticsPlanet Exclusive EC Defense MK-4 Stripped G19 Pistol Slide What firearm models does the manufacturer say OpticsPlanet Exclusive EC Defense MK-4 Stripped G19 Pistol Slide is compatible with? The manufacturer says that OpticsPlanet Exclusive EC Defense MK-4 Stripped G19 Pistol Slide is compatible with Glock 19OpticsPlanet Exclusive EC Defense EC-MK4 OD GREEN: MK-4 Stripped G19 Pistol Slide OD Green