C&H Precision Weapons Glock/Walther PDP RMR/Holosun Back Up Iron Sight Optics Ready/Direct Milled Slides. All standard Glock MOS with the C&H V5 optics plate or Glock slides with direct mill optics cut at .125'' deep or Walther PDP. Compatible with the C&H Precision optics plate. Specifications for C&H Precision Weapons Glock/Walther PDP RMR/Holosun Back Up Iron Sight: Manufacturer: C&H Precision Weapons Gun Make: Walther Glock Gun Model: Glock 17L Glock 45 Glock 21 Glock 30 Glock 29 Glock 26 Glock 35 Glock 19 Glock 40 Glock 41 Glock 47 Walther PDP Glock 22 Glock 23 Glock 34 Glock 17 Color: Black Front Sight Color: Yellow Rear Sight Color: Black Sight Style: OEM Height Front Material: Tritium Gun Type: Pistol Front Blade Height: 0.285 in Rear Blade Height: 285 in 0.285 in Quantity: 1 Features of C&H Precision Weapons Glock/Walther PDP RMR/Holosun Back Up Iron Sight LowWitness is defined as a BUIS (Back Up Iron Sights) that sits between .075in to .100in into the optic FOV (Field Of View) which is equivalent to lower 1/6 to lower 1/8. Package Contents: C&H Precision Weapons Glock/Walther PDP RMR/Holosun Back Up Iron Sight What firearm models does the manufacturer say C&H Precision Weapons Glock/Walther PDP RMR/Holosun Back Up Iron Sight is compatible with? The manufacturer says that C&H Precision Weapons Glock/Walther PDP RMR/Holosun Back Up Iron Sight is compatible with Glock 19 Glock 23 Glock 26 Glock 29 Glock 30 Glock 21 Glock 17 Glock 17L Glock 22 Glock 34 Glock 35 Glock 45 Glock 40 Glock 41 Glock 47 Walther PDPC&H Precision Weapons BUIS-GL-RH-285TF-285BR: Glock/Walther PDP RMR/Holosun Back Up Iron Sight Optics Ready/Direct Milled Slides