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REAT D2 Fixed Blade Knife Review: 4 Inch, G10 and Kydex

REAT D2 fixed blade knife review: a 4 inch clip point D2 blade, full tang, G10 handle and horizontal Kydex sheath. Specs, uses, care and how it compares.

REAT buyer’s guideUpdated October 2026Specs from maker listings

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Quick answer
  • What it is: REAT model RT-500, a 4 inch clip point fixed blade in D2 steel with a black G10 handle.
  • Build: full tang, so the blade and handle core are one solid piece, per the listing.
  • Carry: a horizontal Kydex sheath that attaches to a belt, plus a gift box.
  • Best at: camp food prep, cord and feather sticks, and detail work in tight spots.
  • Unknowns: the listing gives no overall length, weight or hardness rating.

This REAT D2 fixed blade knife review looks at the brand's 4 inch D2 model, a compact clip point knife with a G10 handle and a Kydex sheath. On paper it pairs the most talked-about steel in the REAT lineup with the most modern handle and sheath materials.

Everything below comes from the maker's listing, read closely, along with general knowledge about the materials. We cover the specs, what each material means in practice, how it sits against other REAT fixed blade knives, and who should look elsewhere.

REAT Fixed Blade Knife with Kydex Sheath,4" D2 Steel Blade,Ergonomic G10 Handl
At a glance

REAT Fixed Blade Knife with Kydex Sheath,4" D2 Steel Blade,Ergonomic G10 Handl

On paper, the REAT 4 inch D2 knife is a well-specified camp and utility fixed blade: D2 steel for edge retention, a full tang build, a grippy G10 handle and a belt-ready Kydex sheath. The clip point favors detail work and piercing more than heavy batoning. The missing weight and overall length are the main gaps in the listing.

Good for
  • Campers and hikers who want a compact belt knife
  • Anyone who values edge retention over easy field sharpening
  • People who like horizontal belt carry
Not for
  • Heavy wood splitting, where a hatchet or larger knife fits better
  • Buyers who want a leather sheath or a wooden handle
  • Anyone who needs exact weight and length before buying

What the listing says: key specs

REAT lists this knife as model RT-500 in black. Here is everything the listing commits to.

SpecAs listed
Blade length4 in
Blade shapeClip point
SteelD2
Construction✓ Full tang
HandleBlack G10
Sheath✓ Kydex, horizontal belt carry
Packaging✓ Gift box
Overall length~ Not stated
Weight~ Not stated
Hardness (HRC)~ Not stated
Check before you buyBecause the listing does not give overall length or weight, look at the product photos and the current listing details if those numbers matter to you, for example for a specific sheath setup or pack weight.

D2, G10 and Kydex: what the materials mean

D2 steel

REAT says the D2 blade offers strength, edge retention and corrosion resistance. In general terms, D2 is a high-carbon tool steel often called semi-stainless: it holds an edge well, but it is not as rust-proof as true stainless grades. Wipe it dry after use and add a light coat of oil before storage, especially after cutting food or working in wet weather.

The trade-off with good edge retention is that sharpening takes a bit more patience. A fine ceramic rod or diamond plate suits D2 better than a basic pull-through sharpener.

G10 handle

G10 is a fiberglass and resin laminate. The listing highlights its strength and slip resistance, and in general it shrugs off water and temperature swings better than wood.

Kydex sheath

Kydex is a molded thermoplastic that holds the knife by friction fit. REAT's version is horizontal, so the knife rides sideways along the belt. Horizontal carry keeps the handle out of the way when sitting or driving, though some people prefer vertical.

REAT Fixed Blade Knife with Kydex Sheath,4" D2 Steel Blade,Ergonomic G10 Handl

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REAT Fixed Blade Knife with Kydex Sheath

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REAT Fixed Blade Knife with Sheath

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How does it compare with other REAT fixed blades?

REAT sells several compact fixed blades around the 4 inch mark. Here is where the D2 model sits.

ModelBladeSteelHandleSheath
4 inch D2 (this review)4 in clip pointD2G10Kydex, horizontal
3.75 inch D23.75 in clip pointD2G10Kydex
3.75 inch wood handle3.75 in clip point440CRosewoodLeather with snap
4.1 inch ABS handle4.1 in clip point440CABS plasticNylon with snap
2.3 inch neck knife2.3 in clip point14C28NG10Kydex

Blade length by model

Inches, from each listing

4.1 inch ABS4.1 inch ABS: 4.1in4.1in4 inch D24 inch D2: 4in4in3.75 inch D23.75 inch D2: 3.8in3.8in3.75 inch wood3.75 inch wood: 3.8in3.8in2.3 inch neck knife2.3 inch neck knife: 2.3in2.3in

The closest sibling is the 3.75 inch D2 knife, which shares the steel, G10 handle and Kydex sheath; its listing also mentions CNC water grinding. Choose the 4 inch model for a touch more edge, or the wood-handled 440C knife if you prefer a classic look and leather sheath. Our best fixed blade knife and best bushcraft knife guides cover the full range.

REAT D2 fixed blade knife review: pros and cons

ProsCons
✓ D2 steel for edge retention✗ No weight or overall length listed
✓ Full tang construction✗ D2 needs drying and oil to avoid spots
✓ G10 handle with slip resistance~ Horizontal sheath will not suit everyone
✓ Kydex belt sheath and gift box~ Clip point is less suited to heavy prying

For heavier chores like chopping, pair it with a hatchet; our machete vs hatchet guide explains which big tool suits which job.

How to choose a fixed blade knife for camping

  • Blade length: 3.5 to 4.5 inches covers most camp tasks while staying easy to control.
  • Steel: D2 favors edge retention; 440C and 14C28N lean toward easier care and corrosion resistance.
  • Handle: G10 and rubber-like materials stay grippy when wet; wood looks warm but needs more care.
  • Sheath: make sure it locks the knife securely and suits your belt or pack.
  • Tang: full tang builds are generally the sturdiest for outdoor use.
Safe use and local lawsKeep the knife in its sheath when not cutting, cut away from your body, and store it out of reach of children. Fixed blade carry rules, including blade length limits, vary by state and city, so check your local laws before carrying it in public.
Verdict

Our REAT D2 fixed blade knife review lands on a clear profile: a compact 4 inch clip point camp knife with premium-leaning materials. D2 steel, a full tang, a G10 handle and a Kydex belt sheath are a strong combination for food prep, cord, feather sticks and general camp utility, according to the listing.

Go for it if you want long edge life and a weather-resistant handle and you are happy to wipe the blade dry. If you would rather have a leather sheath and wood handle, the 3.75 inch 440C model is the classic alternative in the fixed blade knives range.

FAQ

What is the verdict of this REAT D2 fixed blade knife review?

On paper, it is a solid compact camp and utility knife: a 4 inch D2 clip point blade, full tang, G10 handle and Kydex sheath. The main gaps are the missing weight and overall length in the listing.

Is D2 steel stainless?

D2 is generally described as semi-stainless. It resists corrosion better than plain carbon steel but can still spot, so dry it after use and oil it before storage.

What kind of sheath comes with the REAT 4 inch D2 knife?

A horizontal Kydex sheath that attaches to a belt, according to the listing. The knife also ships in a gift box.

Is the REAT D2 knife full tang?

Yes. The listing describes a full tang design that integrates blade and handle into one solid piece.

How do you sharpen a D2 knife?

D2 holds an edge well, so it takes more effort to sharpen. Diamond plates or fine ceramic rods generally work better than basic pull-through sharpeners.

What is the difference between the REAT 4 inch and 3.75 inch D2 knives?

Both use D2 steel, a G10 handle and a Kydex sheath. The 4 inch model has a slightly longer blade and horizontal belt carry; the 3.75 inch listing highlights CNC water grinding.

Pick the right blade for the job

Fixed blade knives, machetes, throwing knives, swords and hatchets with listed steel, length and sheath. Check local laws and today’s price on Amazon.