Zastava M77 B1

The Zastava M77 B1 is a battle rifle developed and manufactured by Zastava Arms in Serbia (formerly Yugoslavia).[3] It was introduced in 1977.[4] It is a derivative of the Zastava M70[4] and modified copy of the Soviet AKM[1] chambered in 7.62×51mm with an enlarged receiver,[4] and a Western-style flash suppressor. It is gas-operated, air-cooled, magazine-fed, selective fire battle rifle with a fixed wooden stock. The M77 AB1 has a folding stock. Early versions had a milled receiver and an adjustable gas block with flip up rifle grenade sights.

Not to be confused with Zastava M77.
Zastava M77 B1
Zastava M77 B1
TypeBattle rifle
Place of originYugoslavia/Serbia
Service history
In service1977–present
Used byYugoslavia
WarsYugoslav Wars
Production history
Designed1977
ManufacturerZastava Arms
Produced1977–present
VariantsM77 B1, M77 AB1
Specifications
Mass4.35 kg
Length1035 mm
Barrel length500 mm
Cartridge7.62×51mm NATO
ActionGas-actuated (rotating bolt)
Rate of fire620 rnd/min[1]
Muzzle velocity840 m/s[2]
Effective firing range800 m
Feed system10-, or 20-round detachable box magazine
SightsAdjustable iron sights, optional mount required for optical sights, flip up sights for rifle grenades

The M77PS, a semiautomatic variant of this rifle was imported by Century Arms into the U.S. in 2014 and 2015, chambered in .308/7.62x51 NATO. It has a polymer thumbhole stock and a 10rd magazine. The receiver is a heavy 1.5mm RPK type with a bulged front trunnion and an optics rail. The barrel is of medium profile and not chrome lined. The bolt and bolt carrier are polished. It came with a muzzle nut and threaded in M14-1.0LH. It was sold by several distributors for about $550, and increased in price over time, due to its rarity. The rifle can be converted back to its original military configuration by changing the polymer furniture to wood and adding a pistol grip. The rear of the receiver has a proprietary slant cut making it necessary for the wood stock to be modified or the use of an adapter plate for proper fitting.

One of the unique features of this rifle is that it has an adjustable gas system with 3 settings, aiding suppressor use.

Annotations

It is known in Serbian as Automatska puška M77 B1 (М77 Б1). Formerly, it was designated M77B1 (М77Б1), or Automatska puška M.1977B1.[5] It is sometimes confused with the similar Zastava M77.

Users

Former users

References
  1. Phillip Peterson (8 October 2007). Standard Catalog of Military Firearms: The Collector's Price and Reference Guide. F+W Media, Inc. pp. 479–. ISBN 978-0-89689-477-8.
  2. "M77B1 Assault Rifle". BULCOMERS KS. Archived from the original on 30 August 2019.
  3. "Assault Rifle M77 B1". Zastava Arms. Archived from the original on 18 October 2019.
  4. John Walter (25 March 2006). Rifles of the World. Krause Publications. pp. 213–. ISBN 0-89689-241-7.
  5. Бранко Богдановић (1990). ""ПУШКЕ" ДВА ВЕКА ПУШАКА НА ТЕРИТОРИЈИ ЈУГОСЛАВИЈЕ". Београд: СПОРТИНВЕСТ. Automatska puška M.1977B1. Zbirka FNP.
  6. "Disgruntled Mali troops fire weapons, kidnap officer". Fox News. 25 March 2015. Retrieved 2 November 2018.

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