
Helikon-Tex Cobra FC45 Belt — AustriAlpin 45 mm Buckle
Helikon-Tex
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The Cobra FC45 is a 45 mm wide nylon webbing belt designed for those who need a fast, reliable closure in everyday tactical use. The patented AustriAlpin Cobra FC45 buckle is the core of the product: a dual side-release locking system that opens and closes in a single motion, even with gloves on, and will not release under accidental impact.
The 45 mm width spreads the load over a wider surface than standard civilian belts, reducing pressure on the hips when carrying attached accessories — holster, magazine pouches, radio — while remaining compatible with the standard belt loops of Helikon-Tex trousers and most tactical trousers on the market. The nylon webbing is stiff enough to hold its shape under load without needing a separate stiffening insert.
The trade-off to consider: the Cobra FC45 buckle is thicker and heavier than a traditional pin buckle or polymer clip. Anyone wearing it with civilian clothing or in contexts where a low profile matters will notice the more pronounced bulk. For those operating in a tactical environment or looking for a closure that can handle a distributed load, that robustness is precisely the point. Length ranges from 110 cm (size S) to 160 cm (size XXXL), covering a wide range of body sizes.
Key Points
- The AustriAlpin Cobra FC45 buckle engages and releases in a single motion even with gloves on, with no risk of accidental opening under impact.
- The 45 mm width allows tactical accessories to be carried without the webbing folding or shifting on the hips.
- The nylon webbing holds up over time with no specific maintenance, unlike polymer buckles that wear at the locking points.
- Available in six sizes from 110 to 160 cm to fit different body types without modification.
- Compatible with the standard belt loops of tactical trousers, including the Helikon-Tex range.
Specifications
Sizes
TROUSER SIZE GUIDE
The Viper trouser size listed on the site refers to the waist measurement in inches. To find the right size, simply check which waist measurement corresponds to your size. For example, an Italian size 46 corresponds to a 32" waist, so you should select size 32 on the site. You can also choose to measure your own waist and select the corresponding size. If your waist measurement is 90 cm, for instance, you should select the corresponding size in inches, which is 36". Contact us via chat or email with any questions. The size shown on the site corresponds to the waist measurement in inches.
| International | VIPER SIZE (waist in inches) |
Waist in CM | UK | FR | IT | ESP |
|---|---|---|---|---|---|---|
| XXS | 26-28 | 66-71 | 32 | 38 | 42 | 36 |
| XS | 28-30 | 71-76 | 34 | 40 | 44 | 40 |
| S | 30-32 | 76-81 | 36 | 42 | 46 | 44 |
| M | 32-34 | 81-86 | 38 | 44 | 48 | 48 |
| L | 34-36 | 86-91 | 40 | 46 | 50 | 52 |
| XL | 36-38 | 91-96 | 42 | 48 | 52 | 56 |
| XXL - 2XL | 38-40 | 96-101 | 44 | 50 | 54 | 60 |
| XXXL - 3XL | 40-41 | 100-104 | 46 | 52 | 56 | 64 |
| XXXXL - 4XL | 41-43 | 105-109 | 48 | 54 | 58 | 68 |
FOOTWEAR SIZE GUIDE
| TYPE | SIZES | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| EU/IT | 38 | 38.5 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46.5 | 48.5 |
| UK | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 10 | 11 | 12 | 13.5 |
| USA | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 10.5 | 11.5 | 12.5 | 14 |
| JP | 24 | 24.5 | 25 | 25.5 | 26 | 26.5 | 27.5 | 28.5 | 29.5 | 30.5 | 31.5 |
| MEX | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 9 | 10 | 11 | 12.5 |
| BR | 36 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 46 |
| AU | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 10 | 11 | 12 | 13.5 |
Marca
Helikon-Tex
Technical clothing, field equipment and carry systems by Helikon-Tex. It is the most represented brand in the catalogue for outdoor and tactical gear, with over seven hundred product references.






