Big Horn Armory CAT 5
- Category
- Rifle
- Barrel
- 406 mm
- Weight, empty
- 3.52 kg
- Introduced
- 2026
About
What it is, and why it matters
The Big Horn Armory CAT 5 is a big-bore tactical lever-action rifle chambered in the powerful .500 S&W Magnum, introduced in 2026. Built around a 17-4 stainless steel action with CNC-machined components and a nitride finish, it pairs a 16-inch threaded barrel with a six-round tubular magazine and a modular fore-end developed with Ranger Point Tactical. A Picatinny-style scout rail and Pachmayr Decelerator recoil pad help tame a cartridge capable of producing muzzle energy levels reaching up to roughly 4,600 ft-lbs from the rifle's barrel, making it one of the most potent lever guns on the market.
Big Horn Armory was founded to do one thing: build modern lever-action rifles around the gargantuan .500 S&W Magnum, a revolver cartridge so powerful that a rifle chambered for it rivals dangerous-game calibers.
Part of Big Horn Armory's Model 89 family of .500 S&W lever guns. Offered in Matte Stainless, Burnt Bronze or Hunter Black with laminate or webbed Cerakote-style stock options.
Specification
Everything measured
IdentityWhat it is, who built it and when.
- Manufacturer
- Big Horn Armory
- Category
- Rifle
- Country
- United States
- Status
- In production
- Produced
- 2026
DimensionsAs issued, without a magazine or an optic.
- Barrel
- 406 mm
- Overall length
- 914 mm
- Weight, empty
- 3.52 kg
ActionHow it cycles, what trips it, and what feeds it.
- Action
- Lever action
- Firing mechanism
- Hammer fired
- Trigger
- Single stage
- Capacity
- 6
- Magazine
- Tube
MaterialsEach swatch is the material itself, not a colour chosen to stand for it.
- Frame
- Stainless steel
- Barrel
- Stainless steel
- Stock
- Wood
- Finish
- Nitride
BallisticsFrom the service cartridge, not a handload.
- Muzzle velocity
- 549 m/s
- Muzzle energy
- 6237 J
- Effective range
- 200 m
Trajectory
What the round does downrange
Solved from the muzzle figures and the bullet. The dashed rule is the effective range on the record, and the crosses are the steps the solver returned.
No load solved for this record yetThe flight path is computed from a cartridge and a bullet. This record has no ammunition filed against its chambering, so there is nothing to solve.
Features
What it has
What the record lists as fitted, drawn from the catalogue.
Threaded barrel- Modular fore end
Picatinny scout rail
Pachmayr decelerator recoil pad
Cnc machined action
Big bore
Standing
How it compares
Each figure against the firearms of the same type and cartridge that record it, or of the same type where that cartridge has too few. Positions are read to the nearest tenth.
| Measurement | This firearm | Median | Position |
|---|---|---|---|
| Empty weightAmong 1,612 rifles | 3.52 kg | 3.50 kg | Near the median |
| Overall lengthAmong 1,557 rifles | 914 mm | 1080 mm | Shorter than about 90% |
| Barrel lengthAmong 1,659 rifles | 406 mm | 584 mm | Shorter than about 90% |
| Magazine capacityAmong 1,611 rifles | 6 | 5 | Holds more rounds than about 60% |
Answers
Questions about the Big Horn Armory CAT 5
How much does the Big Horn Armory CAT 5 weigh?
The Big Horn Armory CAT 5 weighs 3.52 kg (7.75 lb) empty.
What caliber is the Big Horn Armory CAT 5?
The Big Horn Armory CAT 5 is chambered in .500 S&W Magnum.
How many rounds does the Big Horn Armory CAT 5 hold?
The Big Horn Armory CAT 5 holds 6 rounds, fed from a tube magazine.
How long is the Big Horn Armory CAT 5?
The Big Horn Armory CAT 5 is 914 mm (36.0 in) long overall, with a 406 mm (16.0 in) barrel.
Who makes the Big Horn Armory CAT 5?
The Big Horn Armory CAT 5 is made by Big Horn Armory (United States).
When was the Big Horn Armory CAT 5 introduced?
The Big Horn Armory CAT 5 was introduced in 2026.
How does the Big Horn Armory CAT 5 operate?
The Big Horn Armory CAT 5 uses a lever action, and its firing mechanism is hammer fired.
Compatibility
Which parts fit this firearm
Studio
Every part that mounts on this, resolved
Not a list the maker typed out: the answer comes from the mounts this firearm exposes and the interface each part needs, so it stays right when either one changes.
- Every part that mounts on any firearm in the catalogue
- Interface standards, platforms and fit overrides
- The same answers through the API and the MCP server
Requires a signed-in GunSpec account on the Studio plan. The answer is computed per part, so it is not part of the public record.
Provenance
What the record holds
Every figure above was taken from one of these pages. The confidence reflects how much of the record came from a page a claim can be checked against.
Provenance
Confidence in this record
72%
Stockists
Where to buy
Offers link straight to the shop. GunSpec never takes the order.
No shop has listed this firearm yet
Stock and prices come from the shops themselves. If you sell this firearm, you can list it and it appears here.
List a firearmMCP
Ask an assistant about it
The same record, reached the way a person asks for it rather than the way a program does.
Ask GunSpec
Works with
Point an MCP client at GunSpec and it answers from the catalogue rather than from memory. A free key covers the read tools.
API
The call that returns this record
The same fields, in the same units, from the same endpoint the page reads.
curl --request GET \ --url 'https://api.gunspec.io/v1/firearms/big-horn-armory-cat-5' \ --header 'X-API-Key: your_key'{ "id": "big-horn-armory-cat-5", "name": "Big Horn Armory CAT 5", "manufacturer": { "id": "big-horn-armory", "name": "Big Horn Armory", "countryCode": "US", "foundedYear": 2008, "website": "https://www.bighornarmory.com", "logoUrl": null, "description": null, "status": null, "defunctYear": null, "stateOwned": null, "makesFirearms": null, "parentId": null, "predecessorId": null, "createdAt": "2026-06-21 23:00:46", "updatedAt": "2026-06-21 23:00:46", "version": "30e3d720abea700139afc99b84c018741cabe3c1d04f729af9285301185c5db6" }, "category": { "id": "rifle", "name": "Rifle", "description": "Long-barreled firearms designed for accurate shooting" }, "country_of_origin": "US", "year_introduced": 2026, "barrel_length_mm": 406, "weight_empty_g": 3515, "action_type": "lever_action"}