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Docter/Noblex mounting standard

About the Docter/Noblex mounting standard

The Docter/Noblex standard, a pioneering design in the field of open reflex red dot sights, is characterized by its four sockets, one in each corner, and two screw holes. Each socket measures 3 mm in diameter. Over time, numerous red dot sight manufacturers have adopted this design, primarily due to the abundance of aftermarket mounting solutions available and its reputation for simplicity and reliability. Its uncomplicated design has established a benchmark for mounting standards within the industry. It is found almost exclusively on open reflex red dot sights.

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Docter Sight Mounting Platform

Dimensions of the Docter/Noblex mounting standard

Note: The measurements are given in millimeters. The distance between holes (sockets) is measured from the center of one hole (socket) to the center of another.

Examples (photos) of red dot sights that feature the Docter/Noblex mounting standard

Noblex Sight II Plus Footprint
Noblex Sight II Plus Footprint
Vortex Viper Footprint
Vortex Viper Footprint
Vector Optics Frenzy 1x20x28 Footprint
Vector Optics Frenzy 1x20x28 Footprint

Red dot sights that share the Docter/Noblex mounting standard

Red DotProductDetails
Ade Advanced Optics RD3-002
ADE Advanced Optics RD3-006A Huracan
ADE Advanced Optics RD3-006B Huracan
ADE Advanced Optics RD3-009 Crusader
ADE Advanced Optics RD3-012 Delta
ADE Advanced Optics RD3-012 Delta Pro
ADE Advanced Optics RD3-013 Bertrillium
Athlon Midas TSR1
Burris Fastfire 2*
Burris Fastfire 3*
Burris Fastfire 4
Cuda RX-795
Delta Optical MiniDot 3
Delta Optical MiniDot II*
Delta Optical MiniDot*
Docter QUICKsight 5.0 VRDiscontinued
Docter Sight 2 PlusDiscontinued
Docter Sight 3Discontinued
Docter Sight CDiscontinued
Hawke Reflex 1×25*
Hex Dragonfly
Leica Tempus
Leica Tempus 2
MAKdot 1×25
MAKdot SH
Meopta Meosight IV
Noblex QUICKsight 5.0 VR
Noblex Sight 2 Plus
Noblex Sight 3
Noblex Sight C
Noblex Sight G
Primary Arms SLx RS-10 **
Sightmark Mini Shot M-Spec
Sightmark Mini Shot Pro Spec*
US Optics DRS 2.0*
US Optics DRS 2.0 Enhanced*
UTG OP3 Micro
Vector Optics Frenzy 1x17x24
Vector Optics Frenzy 1x20x28*
Vomz Pilad 1×20
Vortex Venom
Vortex Viper

Modifications of the Docter/Noblex mounting standard

Meopta Meosight III mounting standard

The most common modification of the Docter/Noblex mounting standard is the Meopta Meosight III mounting standard. This variant maintains the same placement for the sockets as the original Docter/Noblex design, but it distinguishes itself by having the screw holes positioned closer towards the rear. Some adapters are designed to accommodate both standards (Docter/Noblex and Meopta Meosight III).

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Meopta Meosight III (above) and Docter Sight C (below) (source: Christian S.)
Meopta Meosight III (above) and Docter Sight C (below) (source: Christian S.)

Red dot sights that share the Meopta Meosight III mounting standard

Red DotProductDetails
Bushnell AR Optics Micro Reflex
Meopta Meosight III
Delta Optical MiniDot HD 25
Meprolight MicroRDS

Examples (photos) of red dot sights that feature the Meopta Meosight III mounting standard

Meprolight MicroRDS Footprint
Meprolight MicroRDS Footprint
Delta Optical MiniDot HD 25 Footprint
Delta Optical MiniDot HD 25 Footprint

Interested in other mounting standards? Looking for explanations of certain terms? Explore our primary article:

Footprints on red dot sights
Summary
Docter/Noblex mounting standard
Article Name
Docter/Noblex mounting standard
Description
The Docter/Noblex standard is characterized by four sockets, one at each corner, and two screw holes. The sockets measure 3 mm in diameter.
Author
Publisher Name
Optics Trade
Publisher Logo

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