ST Kinetics SR-88
- Category
- Assault Rifle
- Barrel
- 460 mm
- Weight, empty
- 3.68 kg
- Introduced
- 1988
About
What it is, and why it matters
The ST Kinetics SR-88 is a select-fire assault rifle chambered in 5.56x45mm NATO, produced by ST Engineering Land Systems (ST Kinetics) since 1988. Featuring a 30-round magazine capacity, this assault rifle offers generous firepower for duty use and home defense. The 18.1-inch barrel maximizes accuracy potential and ballistic performance, making this an excellent choice for target shooting, competition, or field use. At 3680g (129.8 oz), this is a substantial firearm whose weight contributes to reduced felt recoil and enhanced stability during precision shooting. The steel frame provides a solid, premium feel with the durability to withstand decades of regular use and thousands of rounds. Safety features include manual safety selector, reflecting modern design standards that prioritize safe handling and operation. This firearm represents its manufacturer's commitment to delivering a well-engineered, reliable product that serves the needs of discerning shooters seeking quality, accuracy, and dependable performance from a proven platform. With over 58 years of firearms manufacturing experience, ST Engineering Land Systems (ST Kinetics) brings established expertise in metallurgy, machining, and quality control to every product in their lineup, ensuring each firearm meets the standards expected by today's demanding market of knowledgeable shooters and professionals.
The SR-88 represented the second generation of Singaporean assault rifle design, demonstrating the country's growing confidence in indigenous small arms development. While the SAR-80 relied heavily on British Sterling Armaments expertise, the SR-88 was developed more independently by CIS engineers, building on lessons learned from the SAR-80 program and drawing from the proven AR-18 design lineage.
The SR-88 addressed several shortcomings of the SAR-80, incorporating improved reliability, better ergonomics, and a higher cyclic rate of 700-900 RPM (compared to the SAR-80's 600 RPM). The later SR-88A variant introduced further improvements and was produced in both standard and carbine configurations. The SR-88 served as a bridge between the SAR-80 and the SAR-21 bullpup in Singapore Armed Forces service. It used the same folding stock concept as the SAR-80 but with a slightly shorter overall length (960mm vs 970mm). The rifle was compatible with all standard M16-type STANAG magazines. Both the SR-88 and SAR-80 were phased out of frontline Singapore military service with the adoption of the SAR-21 in 1999.
Specification
Everything measured
IdentityWhat it is, who built it and when.
- Manufacturer
- ST Engineering Land Systems
- Category
- Assault Rifle
- Country
- Singapore
- Status
- Discontinued
- Produced
- 1988
- Variant of
- Improved
DimensionsAs issued, without a magazine or an optic.
- Barrel
- 460 mm
- Overall length
- 960 mm
- Weight, empty
- 3.68 kg
- Weight, loaded
- 4.13 kg
ActionHow it cycles, what trips it, and what feeds it.
- Action
- Gas operated rotating bolt
- Firing mechanism
- Hammer fired
- Trigger
- Single stage
- Capacity
- 30
- Magazine
- Detachable box
MaterialsEach swatch is the material itself, not a colour chosen to stand for it.
- Frame
- Steel
- Barrel
- Steel
- Stock
- Polymer
- Finish
- Parkerized
BallisticsFrom the service cartridge, not a handload.
- Muzzle velocity
- 970 m/s
- Muzzle energy
- 1882 J
- Effective range
- 400 m
- Maximum range
- 500 m
- Rate of fire
- 750 rpm
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.
Folding stock
Select fire
Stanag magazine compatible
Gas piston operated
Chrome lined barrel- Improved ergonomics
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 158 5.56x45mm NATO assault rifles | 3.68 kg | 3.60 kg | Heavier than about 60% |
| Overall lengthAmong 156 5.56x45mm NATO assault rifles | 960 mm | 920 mm | Longer than about 70% |
| Barrel lengthAmong 157 5.56x45mm NATO assault rifles | 460 mm | 449 mm | Longer than about 70% |
| Magazine capacityAmong 158 5.56x45mm NATO assault rifles | 30 | 30 | Near the median |
Answers
Questions about the ST Kinetics SR-88
How much does the ST Kinetics SR-88 weigh?
The ST Kinetics SR-88 weighs 3.68 kg (8.11 lb) empty and 4.13 kg (9.11 lb) loaded.
What caliber is the ST Kinetics SR-88?
The ST Kinetics SR-88 is chambered in 5.56x45mm NATO.
How many rounds does the ST Kinetics SR-88 hold?
The ST Kinetics SR-88 holds 30 rounds, fed from a detachable box magazine.
How long is the ST Kinetics SR-88?
The ST Kinetics SR-88 is 960 mm (37.8 in) long overall, with a 460 mm (18.1 in) barrel.
Who makes the ST Kinetics SR-88?
The ST Kinetics SR-88 is made by ST Engineering Land Systems (Singapore).
When was the ST Kinetics SR-88 introduced?
The ST Kinetics SR-88 was introduced in 1988.
How does the ST Kinetics SR-88 operate?
The ST Kinetics SR-88 uses a gas operated rotating 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
- Singapore Armed Forces
- 1990
- Singapore Police Force
- Singapore
- Slovenian Armed Forces
- Slovenia
Provenance
Confidence in this record
82%
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/st-kinetics-sr-88' \ --header 'X-API-Key: your_key'{ "id": "st-kinetics-sr-88", "name": "ST Kinetics SR-88", "manufacturer": { "id": "st-kinetics", "name": "ST Engineering Land Systems", "countryCode": "SG", "foundedYear": 1967, "website": "https://www.stengg.com", "logoUrl": null, "description": "Singapore defense contractor specializing in armored vehicles and ground combat systems. Historically produced small arms including the Ultimax 100 light machine gun and SAR 21 bullpup rifle.", "status": "active", "defunctYear": null, "stateOwned": null, "makesFirearms": true, "parentId": null, "predecessorId": null, "createdAt": "2026-02-18 03:40:48", "updatedAt": "2026-09-15 07:19:19", "version": "60b09a84aaed1bb6ff46e4d8f29b675171e7f36c2772f1aafc8dcf4bf0262e2e" }, "category": { "id": "assault-rifle", "name": "Assault Rifle", "description": "Selective-fire rifles chambered in intermediate cartridges" }, "country_of_origin": "SG", "year_introduced": 1988, "barrel_length_mm": 460, "weight_empty_g": 3680, "action_type": "gas_operated_rotating_bolt"}