Glock G20/21/29/30/36 6.9MM Fixed Rear Steel Sight Not G42/G43 White 6.9mm. 9mm 2021293036 White Fixed Rear Steel Not G42/G43 SP04204 Specifications for Glock G20/21/29/30/36 6.9MM Fixed Rear Steel Sight Not G42/G43: Manufacturer: Glock Gun Make: Glock Gun Model: Glock 21 Glock 36 Glock 30 Glock 29 Glock 20 Color: White Package Contents: Glock G20/21/29/30/36 6.9MM Fixed Rear Steel Sight Not G42/G43 What firearm models does the manufacturer say Glock G20/21/29/30/36 6.9MM Fixed Rear Steel Sight Not G42/G43 is compatible with? The manufacturer says that Glock G20/21/29/30/36 6.9MM Fixed Rear Steel Sight Not G42/G43 is compatible with Glock 20 Glock 29 Glock 30 Glock 36 Glock 21Glock GLSP04204: G20/21/29/30/36 6.9MM Fixed Rear Steel Sight Not G42/G43 White 6.9mm