T91 assault rifle

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T91
The T91CQC carbine. Note the forend with integrated rails and the shorter barrel compared to the standard variant.
Type	Assault rifle
Place of origin	Taiwan
Service history
In service	2003–present
Used by	See Users
Production history
Designed	2002
Manufacturer	205th Arsenal
Unit cost	600USD(2003)
Produced	2003–present
No. built	300,000+
Specifications
Mass	3.17 kg
Length	880mm (stock extended) 800mm (stock retracted) (Standard Rifle) 780mm (stock extended) 700 mm (stock retracted) (CQC Carbine)
Barrel length	406mm (Standard Rifle) 349mm (CQC Carbine)
Cartridge	5.56×45mm NATO
Action	Gas-operated, rotating bolt
Rate of fire	800-850 rpm
Muzzle velocity	975 m/s (Standard Rifle) 840 m/s (CQC Carbine)
Effective firing range	400m 600m (with optics)
Feed system	Various STANAG magazines.
Sights	M16A2-style sights with windage and elevation adjustments Picatinny rail can be used for mounting various optical sights

The T91 (Chinese: 聯勤5.56公釐T91戰鬥步槍) is a gas-operated, magazine-fed, assault rifle produced by the 205th Armory of National Defense in Republic of China. It is based on the proven T86 assault rifle, incorporating features from the M16 and AR-18 with more modern features. The T91 is lighter and shorter than the T65 it replaces, and has an adjustable 3-position telescoping stock.