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Small arms1977–present
Assault rifle (SG-540, SG-543) Carbine (SG-543) Battle Rifle (SG-542)
SIG SG 540 is a assault rifle (SG-540, SG-543) Carbine (SG-543) Battle Rifle (SG-542) originating in Switzerland. It was built by Manurhin ( France ) INDEP ( Portugal ) FAMAE ( Chile ). Reported operators include Argentina, Bolivia, Burkina Faso, Cameroon, Canada, Central African Republic, Chad, Chile, Côte d'Ivoire, Democratic Republic of the Congo, Djibouti, Ecuador, Eswatini, Gabon, Lebanon, Mauritius, Nicaragua, Nigeria, Oman, Paraguay, Senegal, Seychelles, Syrian Opposition, Togo, Turkey.
SwitzerlandSIG SG 540
https://commons.wikimedia.org/wiki/User:Sanandros · CC BY-SA 4.0 · Resized · CC BY-SA 4.0 · Source ↗ · ModifiedTechnical data
Assault rifle (SG-540, SG-543) Carbine (SG-543) Battle Rifle (SG-542)
Switzerland
1977–present
See Users
Lebanese Civil War The Troubles Somali Civil War Ivorian Civil Wars Syrian Civil War Militias-Comando Vermelho conflict
Schweizerische Industrie Gesellschaft (SIG)
1973–1977
Manurhin ( France ) INDEP ( Portugal ) FAMAE ( Chile )
1977–2002
SG 542, SG 543
SG 540: 3.52 kg (7.76 lb) fixed stock SG 542: 3.55 kg (7.8 lb) SG 543: 3 kg (6.6 lb) folding stock
SG 540: 950 mm (37.4 in) stock extended / 733 mm (28.9 in) stock folded SG 542: 1,000 mm (39.4 in) stock extended / 754 mm (29.7 in) stock folded SG 543: 805 mm (31.7 in) stock extended / 569 mm (22.4 in) stock folded
SG 540: 460 mm (18.1 in) SG 542: 465 mm (18.3 in) SG 543: 300 mm (11.8 in)
SG 540, SG 543: 5.56×45mm NATO SG 542: 7.62×51mm NATO
Gas-operated , rotating bolt
650–800 rounds/min
SG 540: 980 m/s (3,215 ft/s) SG 542: 820 m/s (2,690.3 ft/s) SG 543: 875 m/s (2,870.7 ft/s)
100–500 m sight adjustments
20- or 30-round detachable box magazine
Rear: rotating diopter drum; front: hooded post
Argentina
Bolivia
Burkina Faso
Cameroon
Canada
Central African Republic
Chad
Chile
Côte d'Ivoire
Democratic Republic of the Congo
Djibouti
Ecuador
Eswatini
Gabon
Lebanon
Mauritius
Nicaragua
Nigeria
Oman
Paraguay
Senegal
Seychelles
Syrian Opposition
Togo
Turkey
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 28 Sept 2026 | 0.754 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 0.754 m | Wikipedia contributors | approved |
SIG SG 540 equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
Argentina
Bolivia
Burkina Faso
Cameroon
Canada
Central African Republic
Chad
Chile
Democratic Republic of the Congo
Djibouti
Ecuador
Eswatini
Gabon
Ivory Coast
Lebanon
Mauritius
Nicaragua
Nigeria
Oman
Paraguay
Senegal
Seychelles
Togo
TürkiyeArgentina, Bolivia, Burkina Faso, Cameroon, Canada, Central African Republic, Chad, Chile, Côte d'Ivoire, Democratic Republic of the Congo, Djibouti, Ecuador, Eswatini, Gabon, Lebanon, Mauritius, Nicaragua, Nigeria, Oman, Paraguay, Senegal, Seychelles, Syrian Opposition, Togo, Turkey
Equipment reference ↗