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Small armsProduced: 2004–present
Assault rifle
Zastava M21 is a assault rifle originating in Serbia and Montenegro. It was built by Zastava Arms. Reported operators include Azerbaijan, Bosnia and Herzegovina, Cameroon, Iraq, Lebanon, North Macedonia, Peru, Serbia.
Serbia and MontenegroAssault rifle
Serbia and Montenegro
See Users
Iraq War Conflict in Peru Syrian Civil War Iraqi Civil War Boko Haram insurgency
Marinko Petrović
Zastava Arms
$630 (2016)
2004–present
15,000
See Variants
4.15 kg (9.1 lb) (M21 A) 4.07 kg (9.0 lb) (M21 S) 3.91 kg (8.6 lb) (M21 C)
1,000 mm (39 in) stock extended, 750 mm (30 in) stock folded (M21A) 915 mm (36.0 in) stock extended, 666 mm (26.2 in) stock folded (M21S) 815 mm (32.1 in) stock extended, 570 mm (22 in) stock folded (M21C)
460 mm (18.1 in) (M21 A) 375 mm (14.8 in) (M21 S) 290 mm (11.4 in) (M21 C)
5.56×45mm NATO
Gas-operated (rotating bolt)
680 rounds/min
925 m/s (M21 A) 890 m/s (M21 S M193) 870 m/s (M21 S M855)
450 m (490 yd) with iron sights 600 m (660 yd) with optics
30-round detachable box magazine
Adjustable iron sights , optional mount required for optical sights
Azerbaijan
Bosnia and Herzegovina
Cameroon
Iraq
Lebanon
North Macedonia
Peru
Serbia
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| 28 Sept 2026 | 1 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 1 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 1 m | Wikipedia contributors | approved |
Zastava M21 equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
Azerbaijan, Bosnia and Herzegovina, Cameroon, Iraq, Lebanon, North Macedonia, Peru, Serbia
Equipment reference ↗
Azerbaijan
Bosnia and Herzegovina
Cameroon
Egypt
Iraq
Lebanon
North Macedonia
Peru