CZ 805 BREN

A modular gas-piston rifle adopted by the Czech Army to replace the Soviet-era Sa vz. 58, chambered in 5.56x45mm NATO with a quick-change barrel system. It introduced fully ambidextrous controls and a monolithic top rail, later superseded by the lighter BREN 2.

In service since 2010 · 4 operator countries

Compiled from public sources ·primary reference ↗ ·last verified 2026-07-02

500

m range

800

rpm

920

m/s

rds

Procurement snapshot

Availability & export

National export licensing

Subject to Czech Republic export-control approval; verify eligibility with the manufacturer.

Channel: Direct commercial / G2G

Fielded & proven

Established · 4 operators

In service since 2010. Status: active.

Lifecycle cost (est.)

No public unit price to model from.

Interoperability

5.56×45 NATO

Derived guidance from public data — export regime by country of origin, lifecycle from the GAO ~30% acquisition rule. Verify eligibility, pricing and offsets with the manufacturer and your acquisition authority.

Full specifications

Performance

Speed, range, altitude and engagement capability.

Effective range Distance at which the weapon reliably hits point targets. Higher extends engagement envelope.: 500 m

Stronger than 52% of rifles
Rate of fire Rounds per minute (cyclic). Higher increases suppression and hit probability.: 800 rpm

Stronger than 75% of rifles
Muzzle velocity Projectile speed leaving the barrel. Higher means flatter trajectory and better armor penetration.: 920 m/s

Stronger than 77% of rifles

Firepower

Armament, payload and guidance.

Main armament Primary weapon: main gun, cannon or missile type.: 5.56×45 mm NATO
Caliber Bore diameter of the main gun or rifle. Larger throws heavier projectiles; not simply better — ammunition commonality matters.: 5.6 mm
Ammunition Rounds carried (main gun) or standard magazine capacity.: 30

Stronger than 58% of rifles

Physical

Dimensions, weight and crew.

Length Overall length including gun/probe where applicable.: 0.91 m
Empty weight Weight without fuel, ammunition or crew.: 4 kg
Crew Personnel required to operate. Fewer reduces exposure; autoloaders trade a loader for mechanical complexity.: 1
Barrel length Barrel length — longer improves muzzle velocity and accuracy, shorter improves handling.: 360 mm

Program

Cost, production scale and operators.

Operator countries Number of countries operating the system. More operators means broader support ecosystem.: 4

Stronger than 28% of rifles

Specifications compiled from public Ceska zbrojovka (CZ) and reference sources ↗. Published defense figures are approximations — treat comparisons as directional. Last verified 2026-07-02.

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