Armscor Meriva 3-in-1
- Category
- Shotgun
- Barrel
- 470 mm
- Weight, empty
- 2.80 kg
- Introduced
- Not recorded
About
What it is, and why it matters
The Armscor Meriva 3-in-1 is a versatile pump-action 12-gauge shotgun package with interchangeable 18.5-inch and 28-inch barrels and removable stock/pistol grip options for defense, tactical, or sport shooting.
MSRP: $333. Marine chrome finish. Includes two barrels (18.5" and 28").
Specification
Everything measured
IdentityWhat it is, who built it and when.
- Manufacturer
- Armscor / Rock Island Armory
- Category
- Shotgun
- Country
- Philippines
- Status
- In production
DimensionsAs issued, without a magazine or an optic.
- Barrel
- 470 mm
- Overall length
- 990 mm
- Height
- 195 mm
- Width
- 40 mm
- Weight, empty
- 2.80 kg
ActionHow it cycles, what trips it, and what feeds it.
- Action
- Pump action
- Firing mechanism
- Hammer fired
- Trigger
- Single stage
- Capacity
- 4
- Magazine
- Tubular
MaterialsEach swatch is the material itself, not a colour chosen to stand for it.
- Frame
- Aluminum
- Barrel
- Steel
- Stock
- Polymer
- Finish
- Chrome
BallisticsFrom the service cartridge, not a handload.
- Effective range
- 40 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.
Pump action
Two barrels included
Removable stock
Pistol grip option
Marine chrome finish
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 622 12 Gauge shotguns | 2.80 kg | 3.29 kg | Lighter than about 90% |
| Overall lengthAmong 570 12 Gauge shotguns | 990 mm | 1150 mm | Shorter than about 80% |
| Barrel lengthAmong 650 12 Gauge shotguns | 470 mm | 711 mm | Shorter than about 90% |
| Magazine capacityAmong 647 12 Gauge shotguns | 4 | 3 | Holds more rounds than about 60% |
Answers
Questions about the Armscor Meriva 3-in-1
How much does the Armscor Meriva 3-in-1 weigh?
The Armscor Meriva 3-in-1 weighs 2.80 kg (6.17 lb) empty.
What caliber is the Armscor Meriva 3-in-1?
The Armscor Meriva 3-in-1 is chambered in 12 Gauge.
How many rounds does the Armscor Meriva 3-in-1 hold?
The Armscor Meriva 3-in-1 holds 4 rounds, fed from a tubular magazine.
How long is the Armscor Meriva 3-in-1?
The Armscor Meriva 3-in-1 is 990 mm (39.0 in) long overall, with a 470 mm (18.5 in) barrel.
Who makes the Armscor Meriva 3-in-1?
The Armscor Meriva 3-in-1 is made by Armscor / Rock Island Armory (Philippines).
How does the Armscor Meriva 3-in-1 operate?
The Armscor Meriva 3-in-1 uses a pump 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
75%
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/armscor-meriva' \ --header 'X-API-Key: your_key'{ "id": "armscor-meriva", "name": "Armscor Meriva 3-in-1", "manufacturer": { "id": "armscor-ria", "name": "Armscor / Rock Island Armory", "countryCode": "PH", "foundedYear": 1905, "website": "https://www.armscor.com", "logoUrl": null, "description": null, "status": null, "defunctYear": null, "stateOwned": null, "makesFirearms": null, "parentId": null, "predecessorId": null, "createdAt": "2026-02-18 03:40:42", "updatedAt": "2026-02-18 03:43:38", "version": "7b76a04e394addd2794d4f18b7f4e402d32e33b10a7930f93ddf2729b7343789" }, "category": { "id": "shotgun", "name": "Shotgun", "description": "Smoothbore firearms designed to fire shot or slugs" }, "country_of_origin": "PH", "year_introduced": null, "barrel_length_mm": 470, "weight_empty_g": 2799, "action_type": "pump_action"}