Zastava M21


The Zastava M21 is a Serbian 5.56×45mm NATO assault rifle developed and manufactured by Zastava Arms.

Description

The M21 is based on the Kalashnikov rifle, chambered in the 5.56×45mm NATO cartridge. The current models use a 1.5mm thick stamped receiver. The M21 can incorporate picatinny rails for mounting accessories like optics, vertical grips, bipods, etc.
The Zastava M21 is gas operated, long stroke piston with a rotating bolt locking system rifle. It features a hard chromium-plated, cold forged standard rifled or an optional polygonal rifled barrel, integrated 22mm flash hider grenade launcher, heavy-duty synthetic furniture with a polymer folding stock similarly to the AK-74M, and side optics rail as standard. The rifle can also mount a 40mm under-barrel grenade launcher. It has a magazine capacity of 30 rounds. The cyclic rate of fire is 680 rounds per minute, and the sustained rate of fire is 120 rounds/min.
The Zastava M21 uses a conventional barrel, while the Zastava M21B uses a polygonal barrel. The regular barrel has six grooves with a right-hand twist. An octagonal polygonal version is also available and has four grooves with a right-hand twist. Barrels are also hard chrome plated to provide a longer service life.
The rifle has conventional iron sights that consist of a front post and a flip-up rear sight with 300m and 500m apertures. A set of picatinny rails on the hand guard can mount various optoelectronic devices. The M21 is a modular weapon, with configuration dependent on the task and mission.
Choices of optical sights include "TELEOPTIK" and "ZRAK". Optoelectronic devices include a reflex sight, two bookmark target lasers, two passive monoculars, passive sight.

Variants

Users