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Pro-M Bino Harness Sizing GuideUpdated 17 days ago



Length of binocular is the most important factor in determining a proper fit, including a tight seal over the lenses. We recommend measuring your binoculars after adjusting eye cups to your preferred position for accurate length and sizing. The size listed is the smallest option with eyecups adjusted in. Consider going up a size with eye cups out and/or large objective glass. 

ZEISS
Model: Pro-M Size Required: 
Terra ED 42 
Small
Victory FL 10x32 
Small - Should also use spacer
Victory HT 10x42 
Medium
Victory RF 10x45 
Large
Victory SF 10x42 
Medium
Victory HT 10x54 
Large
Conquest 42 
Medium
Conquest 56 
Chest Rig (Will not fit inside Pro-M)
VORTEX
Model: Pro-M Size Required:
Crossfire 42 
Medium
Crossfire 50 
Medium
Diamondback 42 
Small with Eyecups In
Medium with Eyecups Out
Diamondback 50 
Medium
Fury HD 
Small
Fury HD 5000 
Medium
Kaibab 
Large
Razor 42 
Small with Eyecups In
Medium with Eyecups Out
Razor 50 
Medium
Ranger HD 
Large
Talon 
Medium
Viper 42 
Small
Viper 50 
Medium
Vulture 
Large
Razor UHD 8x42 / 10x42 
Medium
Razor UHD 12x50 
Large with Eyecups In
(Consider utilizing our Chest Rig)
SWAROVSKI
Model:Pro-M Size Required: 
EL 32 
Small
EL 42 
Medium
EL 50 
Medium
EL Range 
Medium - Large
SLC 42 
Small
SLC 56 
Large
SIG SAUER
Model:Pro-M Size Required:
Kilo 3000 BDX 42 Medium
Zulu 3 32 
Small - Should also use spacer
Zulu 5 42 
Small
Zulu 5 50 
Need Dimensions
Zulu 6 HDX 42mm (all magnifications) 
Medium
Zulu 6 HDX Pro 50mm (all magnifications) 
Large
Zulu 7 42 
Small
Zulu 7 50 
Need Dimensions
Zulu 7 56 
Large
Zulu 9 45 
Large
Zulu 9 56 
Chest Rig (Will not fit inside Pro-M)
NIKON
Model: Pro-M Size Required:
Monarch 10x42 
Small
Prostaff 7S 42 
Medium
Laserforce 10x42 
Small
MAVEN
Model: Pro-M Size Required: 
C1Small
C3Medium
B1Medium
B2Large
B3 and C2Small - Should also use spacer
B4 and B5Chest Rig (Will not fit inside Pro-M)
LEUPOLD
Model: Pro-M Size Required:
BX-1 McKenzie 42 
Small
BX-1 McKenzie 50 
Medium
BX-2 Alpine 42 
Small
BX-2 Alpine 52 
Large
BX-2 Tioga 42 
Small
BX-2 Tioga 50 
Large
BX-3 Mojave 42 
Small
BX-3 Mojave 50 
Medium
BX-4 Guide HD 42 
Small
BX-4 Guide HD 50 
Medium
BX-4 Mckinley 42 
Small
BX-5 Santiam 42 
Small
BX-5 Santiam 50 
Large
BX-5 Santiam 56 
Chest Rig (Will not fit inside Pro-M)
BX-2 Cascade 10x42 
Small
LEICA
Model: Pro-M Size Required: 
Duovid 42 
Medium
Duovid 50 
Large
Ultravid 42 
Small
Geovid R 42 
Medium
Geovid R 8x56 
Large
Geovid R 15x56 
Chest Rig
Geovid HD B/ HD R 42 
Large
Geovid HD B/ HD R 56 
Large
Noctovid & Noctovid Range 
Small
Trinovid 10x42 
Small
BURRIS
Model: Pro-M Size Required: 
Droptine 8x42Small
Droptine 10x42 
Small
Signature HD 8x42 
Small
Signature HD 10x42 
Small
Signature HD 12x50 
Medium
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