Automatkarbin 5
Swedish license-built FN FNC adapted for subarctic conditions.
The Automatkarbin 5 (Ak 5) is a license-built Swedish version of the Belgian FN FNC assault rifle, modified primarily to operate reliably in the subarctic Swedish climate. Adopted in 1986 as the standard service rifle of the Swedish Armed Forces, it partially replaced the earlier Ak 4, a license-built Heckler & Koch G3. The Ak 5 family includes several variants, with the Ak 5C becoming the standard-issue rifle in the 21st century.
Quick Facts
- Origin
- Sweden
- Is Ranged
- Yes
- Service
- 1986–present
- Wars
- Kosovo War / War in Afghanistan / Chadian Civil War (2005-2010) / Operation Artemis / War in Mali
- Design Date
- 1982
- Manufacturer
- FN Herstal / Carl Gustafs stads gevärsfaktori
- Number
- 200,000
- Length
- Ak 5(B) 1010 mm (stock extended) / Ak 5(B) 750 mm (stock folded) / Ak 5C 852 mm – 914 mm (stock extended) / Ak 5C 667 mm (stock folded)
- Part Length
- Ak 5 / Ak 5B 450 mm / Ak 5C 350 mm
- Cartridge
- 5.56×45mm NATO
- Caliber
- 5.56 mm
- Action
- Gas-operated, rotating bolt
Facts from the source article.
Lore & Background
In the mid-1970s, the Swedish Armed Forces sought a replacement for the Ak 4 capable of using 5.56×45mm NATO ammunition. The Defence Materiel Administration evaluated numerous rifles including the Colt M16A1, Steyr AUG, IMI Galil, and FN FNC. After testing from 1979 to 1985, the FN FNC was selected and modified with a larger trigger guard and cocking handle for winter gloves, a larger handguard, a different collapsible stock, modified iron sights and gas block, a modified bolt, deletion of the 3-round burst, and a corrosion-resistant green finish. The magazines were made interchangeable with M16 STANAG magazines. The rifle was accepted as the Ak 5 in 1986.
During troop trials, soldiers reported damaged teeth from being struck by the muzzle while the rifle was slung across the chest. Rather than change the carry method, a plastic cap (later hard rubber) was issued to cover the muzzle. The flash suppressor was grooved to accept a blank-firing adaptor that also prevented wooden plug fragments from exiting the barrel. The suppressor was also designed for rifle grenades, though none were adopted.
The Ak 5C, developed in the early 2000s, added a MIL-STD-1913 rail system, a shortened barrel, adjustable buttstock, foldable emergency iron sights, automatic bolt catch, ambidextrous selectors, and a new flash suppressor. The Aimpoint CS red dot sight became the standard optic. The Ak 5D is a compact carbine variant used by ranger units, vehicle crews, and the Swedish Police (as the CGA5P, with automatic fire disabled).
Reader's Guide
The Ak 5 represents Sweden's adaptation of a proven Belgian design to meet extreme northern operational requirements. Its modifications—enlarged controls for gloved hands, corrosion-resistant finish, and M16-compatible magazines—reflect a pragmatic approach to fielding a reliable 5.56mm rifle in a subarctic environment. The Ak 5C modernization, involving nearly 40,000 rifles modified by Saab Bofors Dynamics, brought the platform into the 21st century with modular rails and improved ergonomics while avoiding the cost of a new procurement. The Ak 5 family served as the backbone of Swedish infantry from 1986 until the announcement in 2021 of a replacement developed with Finland, which materialized as the Automatkarbin 24 in 2023. The Ak 5C remains the standard-issue rifle, with earlier A and B versions placed in storage. The designated marksman Ak 5B, fitted with a SUSAT sight and cheek pad, is no longer in service. The Ak 5D carbine found additional use with Swedish police, demonstrating the design's versatility beyond military service.
Did You Know?
- The Ak 5's flash suppressor was designed to accept rifle grenades, though none were adopted into service.
- A plastic cap (later hard rubber) was issued to cover the muzzle after soldiers reported damaged teeth from the slung rifle.
- The Ak 5C was first issued to priority units serving in Afghanistan, Chad, and Kosovo.
- The Swedish Police used a version of the Ak 5D called CGA5P with automatic fire capability disabled.
Frequently Asked Questions
What is the Automatkarbin 5?
The Automatkarbin 5, commonly shortened to Ak 5, is Sweden's domestically produced version of the Belgian FN FNC assault rifle, built under license and re-engineered for subarctic reliability. It entered Swedish military service in 1986.
What round does the Ak 5 use and how fast does it cycle?
It fires the standard 5.56×45mm NATO cartridge at a cyclic rate of roughly 650 to 700 rounds per minute. The maximum practical shooting distance is about 400 meters.
How is the Ak 5 different from a stock FN FNC?
The Swedish license agreement required modifications so the rifle would operate reliably in freezing, wet northern conditions. Beyond that climate hardening, the basic operating principle and layout remain FN FNC-derived.
What is the Ak 5C and why does it matter?
The Ak 5C is the shorter-barreled, carbine-length variant of the family, weighing about 3.8 kg with a 350 mm barrel. It has served as the primary standard-issue rifle for Swedish troops since the early 2000s.
What rifle did the Ak 5 replace in Swedish service?
When adopted in 1986, the Ak 5 partially supplanted the Ak 4, which was a Swedish license-built Heckler & Koch G3. The transition marked Sweden's shift from 7.62×51mm to the lighter 5.56mm NATO standard.
More in Assault Rifles, Part 2 1-24
Spotted an error? Know more?
Reader corrections go straight into our review queue. Suggest an edit · How this site is sourced