GORUCK Double Bullet Ruck 18L vs Harber London Classic Rucksack
The GORUCK Double Bullet Ruck 18L is 18L and 1.47kg3.2lb; the Harber London Classic Rucksack is 17.4L and 1.5kg3.3lb. The GORUCK Double Bullet Ruck 18L is 0.03kg0.1lb lighter. The GORUCK Double Bullet Ruck 18L costs $334 less. The GORUCK Double Bullet Ruck 18L fits the carry-on limit of 36 of 36 major airlines and the Harber London Classic Rucksack fits 36; under the seat, 0 and 20 of 26.
| Spec | GORUCK Double Bullet Ruck 18L | Harber London Classic Rucksack |
|---|---|---|
| Price | $235Best | $569 |
| Volume | 18L | 17.4L |
| Weight | 1.47kg3.2lbBest | 1.5kg3.3lb |
| Carry-on compliance | 100% | 100% |
| Personal-item compliance | 0% | 77%Best |
| Dimensions | 47×29.8×17.8cm18.5×11.5×7in | 40×29×15cm15.5×11.5×6in |
| Laptop | sleeve, size not published | 16" |
| Compartments | 2 | n/a |
| Opening | Clamshell, Opens flat | zippered main compartment |
| Warranty | Lifetime | 1 year |
| Organizer | Yes | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | Yes | No |
| Water-resistant | No | Yes |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | No | No |
| Sternum strap | No | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | Yes |
| Camera compartment | No | No |
| Bike-ready | No | No |
| Material | 1000D Cordura, 210D Cordura back panel and shoulder straps | Full-grain leather and water-resistant recycled fabric |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
| Airline | Limit | GORUCK Double Bullet Ruck 18L | Harber London Classic Rucksack |
|---|---|---|---|
| Air Canada | Personal item | Too big | Fits |
| Air France | Personal item | Too big | Fits |
| Allegiant Air | Personal item | Too big | Fits |
| American Airlines | Personal item | Too big | Fits |
| ANA (All Nippon Airways) | Personal item | Too big | Fits |
| British Airways | Personal item | Too big | Fits |
| easyJet | Personal item | Too big | Fits |
| Frontier Airlines | Personal item | Too big | Fits |
| JetBlue Airways | Personal item | Too big | Fits |
| KLM | Personal item | Too big | Fits |
| LATAM Airlines | Personal item | Too big | Fits |
| Lufthansa | Personal item | Too big | Fits |
| Norwegian Air Shuttle | Personal item | Too big | Fits |
| Ryanair | Personal item | Too big | Fits |
| SAS | Personal item | Too big | Fits |
| Turkish Airlines | Personal item | Too big | Fits |
| Volaris | Personal item | Too big | Fits |
| Vueling | Personal item | Too big | Fits |
| WestJet | Personal item | Too big | Fits |
| Wizz Air | Personal item | Too big | Fits |
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Specs come from each brand's own product page. Fit uses listed dimensions in any orientation. How we score carry-on fit.