Overwatch Precision Have Blue RMR/MOS Compatible Sight Set Black. Together with your RMR the all black .395" high 0.130" square-bottomed rear notch and .390" tall 0.105" wide plain black front sight work in concert giving you blazing fast sight acquisition without sacrificing precision for small targets or longer engagement ranges. The serrated rear of both front and rear sights minimizes glare and the edges of the rear sight aren't so sharp as to eat the skin off of your body while concealing your handgun and are a perfect back up to your Trijicon RMR. With aesthetics inspired by one of Overwatch Precision favorite airframes HAVE BLUE sets the standard for durability rapid acquisition and usefulness for one-handed manipulations all with stunning good looks Specifications for Overwatch Precision Have Blue RMR/MOS Compatible Sight Set: Manufacturer: Overwatch Precision Gun Make: Glock Color: Black Fabric/Material: 4140 Steel Gun Type: Pistol Features of Overwatch Precision Have Blue RMR/MOS Compatible Sight Set Co-witness on direct-milled RMRs Lower 1/3 sight picture on Glock's MOS System Front and Rear sights are serrated to reduce glare Sight heights selected to provide good POI with carry ammo for the 9mm/.40/.357 family of Glock handguns (not recommended for G43) Machined from 4140 steel bar stock Salt Bath Nitrided for corrosion resistance and increased surface hardness Front Sight comes with a 316 stainless steel sight screw Rear Sight features a set screw for additional security Combat Hold sight picture Package Contents: Overwatch Precision Have Blue RMR/MOS Compatible Sight Set Overwatch Precision 21306: Have Blue RMR/MOS Compatible Sight Set Black