White River Ursus Cub Profile: A Compact MagnaCut Camp Knife

Best for

• Campers prioritizing a compact fixed blade
• Food prep and carving within the manufacturer’s stated use
• Buyers wanting a sheath and ferro rod in one package

A smaller member of the Ursus family

The correct model name is Ursus Cub. White River describes it as a lighter, more compact relative of the Ursus 45. The Cub is not simply another name for that larger knife: its own specification is a 3.5-inch blade and 7.6-inch overall length. This profile uses the current manufacturer listing, not specifications borrowed from another Ursus model.

The Natural Burlap Micarta knife shown is one of three handle options on the official page. Black Burlap Micarta and Black/OD Linen Micarta are also listed. Check the selected option at checkout, because handle names and photographs should match the knife you actually order.

Source: White River Knives — Ursus Cub specifications and guarantee

MagnaCut, hardness and blade dimensions

White River lists CPM MagnaCut as standard steel and a hardness of 63–64 Rc. The blade is 0.130 inch thick. Those values identify the current product; they do not tell us how many cuts it will make in rope, hide or wood under your conditions. We have not performed edge-retention, toughness or corrosion testing on a Cub.

A 3.5-inch blade gives the Cub less working length than the Arbor. That is not inherently a disadvantage: a smaller knife may be the format you prefer for controlled camp tasks. Conversely, large food items or work that calls for more reach may favor a longer blade. Consider your typical tasks rather than buying solely on steel reputation.

Source: White River Knives — Ursus Cub specifications and guarantee

Micarta and personal fit

The handle options use burlap or linen Micarta. These names describe the handle material and variant, not a guarantee of identical feel between every version. The page does not provide enough detail to establish glove fit or comfort for your hand, and Wild10 has not evaluated either independently.

The maker describes the Cub as comfortable for extended use and small enough for everyday carry. That is the manufacturer’s positioning, not a blanket recommendation to carry a fixed blade everywhere. Check the laws and rules where you travel, and evaluate secure sheath placement before deciding on daily carry.

Source: White River Knives — Ursus Cub specifications and guarantee

Sheath and fire-starting package

A Kydex sheath and ferro rod are explicitly included. A portion of the blade spine is sharpened for striking the rod, according to White River. That is a meaningful distinction from a product that merely has a ferro-compatible spine but requires you to buy the rod separately.

The included rod does not remove the need for suitable tinder, preparation and safe fire conditions. Follow local fire restrictions, keep fire-starting work controlled and do not use the cutting edge as a striker. The official weight is 4.9 ounces; we do not claim a measured total carry weight for the sheath, rod and any mounting accessories.

Source: White River Knives — Ursus Cub specifications and guarantee

Camp tasks and reasonable limits

White River names food preparation, carving and light firewood processing as uses. That is a sensible scope for interpreting this compact knife. It does not establish chopping performance, batoning capacity through a particular log size or suitability for prying. Those claims would need testing and clear guidance from the maker.

For a trip kit, match the knife to the work you expect and add a saw when wood processing is a real requirement. Keep food-preparation tools clean after other tasks. A compact fixed blade can be a useful companion, but an equipment choice should not encourage unsafe cutting practices or replace good camp judgment.

Source: White River Knives — Ursus Cub specifications and guarantee

Ursus Cub versus Olive Knives Arbor

Compared with the Arbor’s 9.27-inch overall length and 9.14-ounce listed weight, the Cub is shorter and lighter at 7.6 inches and 4.9 ounces. Its blade is 3.5 inches rather than 4.54 inches, with 0.130-inch stock instead of 0.18 inch. These are the strongest objective differences available from the two product pages.

The Cub is the more natural starting point if you want the smaller format, while the Arbor merits consideration if you specifically want more blade. Both list a sheath; the Cub also explicitly includes a ferro rod. Neither knife is named the winner here because Wild10 has not tested them together under matching conditions.

Source: Olive Knives — Arbor specifications

Warranty, sharpening and buying checks

The manufacturer states a lifetime guarantee with repair or replacement and free sharpening for life. Confirm the current service instructions with White River before shipping a knife. We report the stated support policy, not a first-hand account of warranty turnaround or a promise about every possible claim.

Confirm your Micarta variant, current price and stock on the official page. Optional custom engraving is identified as non-refundable there, so review those terms before personalizing. After use, clean and dry the knife and sheath rather than treating stainless steel as maintenance-free. This profile was researched from manufacturer information on October 19, 2026, without invented ratings or field-test results.

Source: White River Knives — Ursus Cub specifications and guarantee

Specs at a glance

Blade steel

CPM MagnaCut

Blade length

3.5 inches

Overall length

7.6 inches

Blade thickness

0.130 inch

Listed weight

4.9 ounces

Hardness

63–64 Rc

Handle options

Black Burlap, Natural Burlap, or Black/OD Linen Micarta

Included

Kydex sheath and ferro rod

Support

White River lifetime guarantee; free sharpening for life per manufacturer