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An AKMSU with a thumbhole foregrip
Type Carbine
Place of origin Soviet Union or Pakistan
Service history
In service Unknown
Wars Soviet war in Afghanistan
Production history
Designer Unknown
Designed 1980s
Manufacturer Unknown
Weight 2.85 Kg
Length 480mm (folded) / 740mm (extended)

Cartridge 7.62×39mm
Action Gas operated, rotating bolt
Rate of fire 650-735 rounds/min
Muzzle velocity 680 m/s (2,231 ft/s)
Effective firing range 400 m
Maximum firing range 400 m
Feed system 30-round detachable box magazine, also compatible with 40-round box or 75-round drum magazines from the RPK

The AKMSU or AKSMU is a compact carbine version of the Soviet AKM assault rifle in 7.62 caliber. AKMSU stands for Assault rifle ('Avtomat' in Russian) by Kalashnikov, Modified, Skladivaushiisya (folding-stock), Ukorochenniy (Shortened).

Design and Origins[edit]

It is a matter of contention whether the AKMSU was actually manufactured by the Soviet Union or was simply a one-off production, a "Khyber Pass Copy" from Pakistan's Khyber Pass region, an area known for diverse and unique weapon production in small shops. The AKMSU can be produced by combining an AKMS receiver with an AKS-74U gas system, front trunion, and receiver cover.

The prominent muzzle brake is required for the correct functioning of the rifle and contains an expansion chamber to correctly cycle the rifle. The muzzle brake has many grooves machined into it for increased heat dispersion. The AKMSU belonging to the United Kingdom's "Pattern Room" and photographed most extensively on forum websites is composed of a Chinese manufactured Type 56-1 receiver combined with a 1977 dated AKS-74U trunion.

The lower handguard may be the only piece from an authentic AKMSU. Although no authentic pictures of the AKMSU are known to exist, a number of Russian[1] and Western sources attest to its existence.[2]


  1. ^ Монетчиков, С. Б. "История русского автомата." Санкт-Петербург: "Издательство "Атлант", 2005г. С. 170.
  2. ^ Isby, David C. Weapons and Tactics of the Soviet Army. Englewood: Jane's, 1988. pp 415.
  • Peterson, Philip. Standard Catalog of Military Firearms: The Collector's Price and Reference Guide. Lola: Gun Digest Books, 2007.