SSS Defence Viper
- Category
- Sniper Rifle
- Barrel
- 660 mm
- Weight, empty
- 7.00 kg
- Introduced
- 2019
About
What it is, and why it matters
The SSS Defence Viper is an indigenous Indian bolt-action sniper rifle chambered in 7.62x51mm NATO (.308 Winchester), designed and manufactured by SSS Defence, a Bengaluru-based private defense company. First unveiled at DefExpo 2019, the Viper is a heavy-barreled, manually operated precision rifle capable of sub-MOA accuracy with match-grade ammunition. The rifle features an aluminum alloy receiver coated with cerakote and black oxide, a free-floating heavy bull barrel available in 24, 26, or 27-inch lengths with a right-hand twist rate of 1:11.25 inches, and a fully adjustable folding rear stock with adjustable cheekpiece and length of pull. Weighing approximately 7 kilograms, the Viper has a proven effective range exceeding 1,000 meters and can be conveniently disassembled into major components for compact transport during operations requiring flexibility.
The Viper made headlines when an Indian NSG team using the rifle outperformed competitors armed with established Western sniper platforms at a national competition, validating India's growing indigenous small arms manufacturing capability.
The Viper is one of India's first indigenously designed and manufactured precision sniper rifles from the private sector, developed as part of India's Make in India defense initiative. SSS Defence designed the Viper to be compatible with the body structures of Indian soldiers, a consideration often overlooked when adopting foreign sniper systems. The rifle competed in India's National Security Guard sniper competition and outperformed several foreign competitors. The multiple barrel length options (24, 26, and 27 inches) allow configuration for different operational roles from urban to long-range field engagements.
Specification
Everything measured
IdentityWhat it is, who built it and when.
- Manufacturer
- SSS Defence
- Category
- Sniper Rifle
- Country
- India
- Status
- In production
- Produced
- 2019
DimensionsAs issued, without a magazine or an optic.
- Barrel
- 660 mm
- Overall length
- 1200 mm
- Weight, empty
- 7.00 kg
- Weight, loaded
- 7.30 kg
ActionHow it cycles, what trips it, and what feeds it.
- Action
- Bolt action
- Firing mechanism
- Hammer fired
- Trigger
- Two stage
- Capacity
- 5
- Magazine
- Detachable box
MaterialsEach swatch is the material itself, not a colour chosen to stand for it.
- Frame
- Aluminum alloy
- Barrel
- Steel
- Stock
- Aluminum
- Finish
- Cerakote
BallisticsFrom the service cartridge, not a handload.
- Muzzle velocity
- 850 m/s
- Muzzle energy
- 3368 J
- Effective range
- 1000 m
- Maximum range
- 3000 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.
Features
What it has
What the record lists as fitted, drawn from the catalogue.
Free floating barrel
Heavy bull barrel
Adjustable stock
Adjustable cheekpiece
Adjustable length of pull
Bipod
Picatinny rail
Muzzle brake
Cerakote finish
Black oxide receiver
Tool free disassembly- Multiple barrel lengths
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 80 7.62x51mm NATO sniper rifles | 7.00 kg | 5.04 kg | Heavier than about 90% |
| Overall lengthAmong 80 7.62x51mm NATO sniper rifles | 1200 mm | 1116 mm | Longer than about 90% |
| Barrel lengthAmong 80 7.62x51mm NATO sniper rifles | 660 mm | 559 mm | Longer than about 90% |
| Magazine capacityAmong 80 7.62x51mm NATO sniper rifles | 5 | 15 | Holds fewer rounds than about 80% |
Answers
Questions about the SSS Defence Viper
How much does the SSS Defence Viper weigh?
The SSS Defence Viper weighs 7.00 kg (15.43 lb) empty and 7.30 kg (16.09 lb) loaded.
What caliber is the SSS Defence Viper?
The SSS Defence Viper is chambered in 7.62x51mm NATO.
How many rounds does the SSS Defence Viper hold?
The SSS Defence Viper holds 5 rounds, fed from a detachable box magazine.
How long is the SSS Defence Viper?
The SSS Defence Viper is 1200 mm (47.2 in) long overall, with a 660 mm (26.0 in) barrel.
Who makes the SSS Defence Viper?
The SSS Defence Viper is made by SSS Defence (India).
When was the SSS Defence Viper introduced?
The SSS Defence Viper was introduced in 2019.
How does the SSS Defence Viper operate?
The SSS Defence Viper uses a bolt 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.
In service
- National Security Guard
- India
Provenance
Confidence in this record
55%
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/sss-defence-viper' \ --header 'X-API-Key: your_key'{ "id": "sss-defence-viper", "name": "SSS Defence Viper", "manufacturer": { "id": "sss-defence", "name": "SSS Defence", "countryCode": "IN", "foundedYear": 2016, "website": "https://www.sssdefence.com", "logoUrl": null, "description": null, "status": null, "defunctYear": null, "stateOwned": null, "makesFirearms": null, "parentId": null, "predecessorId": null, "createdAt": "2026-04-05 22:24:37", "updatedAt": "2026-04-05 22:24:37", "version": "bde06d670efd2efdf98514443f7297a4f411b83688af338abb46ff210c75d69e" }, "category": { "id": "sniper-rifle", "name": "Sniper Rifle", "description": "Precision rifles optimized for long-range accuracy" }, "country_of_origin": "IN", "year_introduced": 2019, "barrel_length_mm": 660, "weight_empty_g": 7000, "action_type": "bolt_action"}