Optic Sizing Chart
The Knekt System is compatible with 99% of all premium optics and we are constantly adding models to our sizing chart.
Find your optic's Knekt System size in the chart so you can order the correct Knekt Ring Mount and Mag Ring. If you cannot find your optic model, please send us a note and we will verify the correct size.
Additionally, you can download the Knekt System Fitment Guide below and use it to select or confirm the size that best fits your optic.
If you still have questions or want to confirm your size. Our customer support is available Monday to Friday: 9:00 am- 4:00pm MST.
Alpen
Binoculars
- Apex 8x42 (Size 2)
- Apex 10x42 (Size 1)
- Apex 10x42 ED (Size 1)
- Apex 10x50 (Size 1)
- Kodiak (Size 1)
- Shasta (Size 1)
- Teton 10x42 (Size 1)
- Wings 8x42 (Size 2)
- Wings 10x42 (Size 1)
Spotting Scopes
- Apex 20-60x80 (Size 4)
- Apex XP 20-60x80 (Size 4)
- Kodiak 20-60x80 A/S (Size 3)
If you don't see your model listed (Contact Us)
Athlon
Binoculars
- Argos G2 10x42 (Size 1)
- Argos G2 UHD 10x42 (Size 1)
- Argos G2 10x50 (Size 2)
- Cronus (G1/2) 10x50 Rangefinder (Size 2)
- Forerunner HD 10x42 (Size 3)
- Midas G2 UHD 8x42 (Size 2)
- Midas G2 12x50 (Size 2)
- Neos 8x42 (Size 1)
- Neos (G1/2) 10x42 (Size 1)
- Talons 8x42 (Size 1)
- Talons 10x42 (Size 1)
Spotting Scopes
- Ares 15-45x65 (Size 4)
- Argos 20-60x85 A/S (Size 4)
- Cronos 20-60x85 A/S (Size 4)
- Talos 20-60x80 (Size 2)
If you don't see your model listed (Contact Us)
Burris
Busnell
Kowa
Leica
Binoculars
- Geovid 10x42 (Older Model 40812) (Size 2)
- Geovid 10x42 (Newer Model 40818) (Size 2)
- Trinovid (Size 1)
Spotting Scopes
- Televid APO 65/77/82mm (size 4)
If you don't see your model listed (Contact Us)
Leupold
Binoculars
- BX1 (Not Available)
- BX2 Alpine 8x42 (Size 2)
- BX2 Alpine 10x42 (Size 2)
- BX2 Alpine 10x52 (Size 2)
- BX2 Alpine 12x52 (Size 2)
- BX4 Pro Gen 2 8x42 (Size 1)
- BX4 Pro Gen 2 10x42 (Size 1)
- BX4 Pro Gen 2 10x50 (Size 1)
- BX4 Pro Gen 2 12x50 (Size 1)
- BX4 Range HD 10x42 (Size 1)
- BX5 12x50 (Not Available)
Spotting Scopes
- Gold Ring (Contact Us)
- SX2 Alpine HD 20-60x60 (Size 3 or 4)
- SX2 Alpine HD 20-60x80 (Size 3 or 4)
- SX4 Pro Guide 15-45x65 A/S (Size 4)
- SX4 Pro Guide 20-60x85 A/S (Size 4)
- SX4 Pro Guide 20-60x85 A/S (Size 4)
- SX5 Santiam HD 27-55x80 A/S (Size 4)
If you don't see your model listed (Contact Us)
Maven
Binoculars
- B 1.2 (Size 2)
- B2 (Contact Us)
- B5 (Size 2)
- B6 (Size 2)
Spotting Scopes
- CS1 A/S (Size 3)
- CS2 A (Size 3)
- S1 A/S (Size 4)
- S1.2 A/S (Size 4)
- S2 A/S (Size 2)
- S3 A/S (Size 4)
If you don't see your model listed (Contact Us)
Meopta
Nightforce
Revic
Binoculars
- Acura BLR10B 10x42 (Size 3 or 4)
Spotting Scopes
- Acura S65a 22-45x65 (Size 4)
- Acura S80a 27-55x80 (Size 4)
If you don't see your model listed (Contact Us)
Sig Sauer
Binoculars
- Buckmaster 10x42 (Size 3)
- Kilo Canyon 10x42 (Size 1)
- Kilo 3K Rangefinder (Size 3)
- Kilo 6K 10x32 (Size 2)
- Kilo 6K Rangefinder (Size 2)
- Kilo 10 15x56 (Size 2)
- Zulu 6 10x42 (Coming Soon)
- Zulu 6 16x42 (Coming Soon)
- Zulu 6 20x42 (Coming Soon)
- Zulu 6 16x50 (Coming Soon)
Spotting Scopes
- Oscar 8 (Size 4)
If you don't see your model listed (Contact Us)
Swarovski
Binoculars
- EL 8.5x42 (Contact Us)
- EL 10x42 (Size 2)
- EL 12x50 (Size 3**)
- EL Range 8x32 (Contact Us)
- EL Range 8x42 (Contact Us)
- EL Range 10x32 (Size 1**)
- EL Range 10x42 (Size 3)
- NL Pure 8x32 (Size 2)
- NL Pure 8x42 (Size 3)
- NL Pure 10x32 (Size 2)
- NL Pure 10x42 (Size 3)
- NL Pure 10x52 (Size 3)
- NL Pure 12x42 (Size 3)
- NL Pure 14x52 (Size 3)
- SLC 8x56 (Contact Us)
- SLC 10x56 (Size 3)
- SLC 15x56 (Size 3)
Spotting Scopes
- ATS/STS (Size 4)
- ATC/STC (Size 5)
- ATX/STX (Size 5)
- BTX (Size 2)
If you don't see your model listed (Contact Us)
Vortex
Binoculars
- Crossfire 8x42 (Size 2**)
- Crossfire 10x42 (Size 1)
- Crossfire 10x50 (Size 1)
- Diamondback HD 8x32 (Size 1)
- Diamondback HD 8x42 (Size 1)
- Diamondback HD 10x32 (Size 1)
- Diamondback HD 10x42 (Size 1)
- Diamondback HD 10x50 (Size 1)
- Diamondback HD 12x50 (Size 1)
- Diamondback HD 15x56 (Size 1)
- Fury AD 5000 AB 10x42 (Size 2)
- Fury HD 5000 10x42 (Size 2)
- Kiabab 18x56 (Size 3)
- Razor HD 8x42 (Size 3)
- Razor HD 10x42 (Size 3)
- Razor HD 10x50 ( Size 3)
- Razor HD 12x50 ( Size 3)
- Razor UHD 8x32 ( Size 3)
- Razor UHD 8x42 ( Size 3)
- Razor UHD 10x32 ( Size 3)
- Razor UHD 10x42 ( Size 3)
- Razor UHD 10x50 ( Size 3)
- Razor UHD 12x50 ( Size 3)
- Razor UHD 18x56 (Size 3)
- Triumph HD 10x42 (Size 1)
- Viper HD 8x42 (Size 2)
- Viper HD 10x42 (Size 2)
- Viper HD 10x50 (Size 2)
- Viper HD 12x50 (Size 2)
Spotting Scopes
- Crossfire HD 20-60x80 A/S (Size 2 or 3)
- Crossfire HD 12-36x50 (Size 2 or 3)
- Crossfire HD 16-48x65 (Size 2 or 3)
- Diamondback HD 16-48x65 A/S (Size 4)
- Diamondback HD 20-60x85 A/S (Size 4)
- Razor HD 13-39x56 A/S (Size 4)
- Razor HD 16-48x60 (Size 4)
- Razor HD 20-60x85 (Size 4)
- Razor HD 22-48x65 A/S (Size 4)
- Razor HD 27-65x85 A/S (Size 4)
- Viper HD 11-33x50 A/S (Size 4)
- Viper HD 15-45x65 A/S (Size 4)
- Viper HD 20-60x85 A/S (Size 4)
If you don't see your model listed (Contact Us)
Zeiss
Binoculars
- Terra (Size 1)
- Conquest (Size 2)
- SF (Size2)
Spotting Scopes
- Diascope (Size 3)
- Gavia (Size 4)
- Harpia (Size 4)
If you don't see your model listed (Contact Us)