Cross Armory Rear Sight Dove Tail Adapter Plate RMSc Black. RMSc Mount Adapter replaces your factory rear dovetail and provides a low-profile RMSc mounting platform plus a bright green fiber-optic co-witness front sight all in a single precision-machined 17-4 stainless steel unit with a durable black nitride finish. Optic not included. Convert your OEM (non-MOS) Glock dovetail into a secure RMSc optics platform with Cross Armorys precision Rear Sight Dovetail ? RMSc Mount Adapter. Machined from 17-4 stainless steel and finished in black nitride this mount integrates a rear sight and comes with a bright green fiber-optic front sight pre-installed for rapid acquisition. Sights are tall for co-witnessing with most RMSc-footprint red dots providing a reliable backup if your optic fails. Includes dovetail installation tools no slide cutting required. Use the mounting screws supplied with your optic. Designed for OEM Glock (non-MOS) slides. Does not fit Glock 44. Installation must be performed by a licensed gunsmith or qualified armorer. Specifications for Cross Armory Rear Sight Dove Tail Adapter Plate: Manufacturer: Cross Armory Red Dot Sights-Footprint: RMSc Fabric/Material: 17-4 Stainless Steel Color: Black Gun Model: Glock 43X Glock 34 Glock 45 Glock 22 Glock 24 Glock 30SF Glock 23 Glock 42 Glock 19 Glock 30 Glock 36 Glock 29 Glock 27 Glock 26 Glock 48 Glock 21 Glock 19X Glock 17 Glock 43 Glock 20 Features of Cross Armory Rear Sight Dove Tail Adapter Plate Rear Sight Dovetail Mounted ADAPTER PLATE FOR RMSc optic footprint Precision CNC-machined for strength durability and perfect fit to OEM Glock dovetails. Tall Co-Witness Sights Integrated rear iron and green fiber-optic front sight for reliable red-dot backup. Black Nitride Finish Corrosion and wear resistant for long-lasting performance. Easy Installation Includes dovetail installation tools Punch tool and Hex Wrench; no slide cutting required. Use screws provided with your optic 6-32 threads (optics come with multiple screw types make sure you are using screws THREADED FOR 6-32) Broad Compatibility Fits OEM non-MOS Glock slides (17 19 19X 20 21 22 23 24 26 27 29 30/30SF 34 36 42 43 43X 45 48). Not for Glock 44. Package Contents: Cross Armory Rear Sight Dove Tail Adapter Plate Bright green fiber-optic front sight and screw Installation tools and hardware for dovetail removal/installation (punch rod and hex wrench) What firearm models does the manufacturer say Cross Armory Rear Sight Dove Tail Adapter Plate is compatible with? The manufacturer suggests that Cross Armory Rear Sight Dove Tail Adapter Plate is compatible with Glock 21 Glock 30SF Glock 19X Glock 48 Glock 43X Glock 45 Glock 34 Glock 24 Glock 22 Glock 17 Glock 19 Glock 43 Glock 42 Glock 36 Glock 30 Glock 29 Glock 27 Glock 26 Glock 23 Glock 20Cross Armory CRDVADAPTER: Rear Sight Dove Tail Adapter Plate RMSc Black