Infantry Weapons

205th Arsenal T65

Also known as
  • T65 assault rifle
  • Type 65 rifle
  • T-65
  • T65K1
  • T65K2
  • T68

The 205th Arsenal T65 is a Taiwanese 5.56 mm assault rifle family that moved Taiwan from M14-pattern service rifles toward an AR-15/M16-style layout using a short-stroke gas-piston action. Its variants led into the T86 and T91 lineage, while direct United Nations reporting documents T65 rifles in gang use during Haiti's 2022 Cite Soleil violence.

205th Arsenal T65, 5.56 mm assault rifle, Infantry Weapons
Image source: Wikimedia Commons TwT65

Role in Conflicts

Haitian gang violence
Insurgent / Guerrilla Use
Side
Armed gangs

BINUH and OHCHR reported that witnesses, medical sources, and Haitian police identified T65 rifles among the small arms used by gangs during the July-December 2022 clashes in Brooklyn, Cite Soleil.

Profile / Specs

Profile

Origin
Taiwan
Type
5.56 mm assault rifle
Service note
Late Cold War Taiwanese service rifle family
Designer
Combined Logistics Command / 205th Arsenal
Designed
1973-1975
Produced
1976 onward for the T65 family
Number built
Reference estimates list well over 100,000 original T65 rifles, about 24,000 T65K1 rifles, and about 300,000 T65K2 rifles

Specifications

Caliber
5.56x45 mm; early original T65 reference data lists M193 ammunition, while later variants use 5.56x45 mm NATO
Action
Gas operated, short-stroke gas piston with rotating bolt
Feed system
30-round detachable box magazine / STANAG-family magazine compatibility in later variants
Barrel length
508 mm for the full-size T65
Overall length
990 mm for the full-size T65
Weight
About 3.31 kg empty for the original T65 in Weaponsystems.net data
Rate of fire
About 700-800 rounds per minute
Design And Lineage

The T65 family kept the AR-15/M16-style receiver layout and rotating bolt familiar to Taiwan's earlier U.S.-pattern small-arms base, but replaced the direct-gas system with a short-stroke piston above the barrel. Later variants restored M16A2-style handling features and carried the same design line toward the T86 carbine and T91 rifle.

Gas system

Short-stroke piston action paired with a rotating bolt.

Original role

Taiwanese 5.56 mm service-rifle replacement for M14-pattern rifles.

Family path

T65, T65K1, T65K2/T68, T65K3, T86, and T91 mark the public lineage described by specialist references.

Variants

The T65 name covers the original Type 65 rifle and later Taiwanese 5.56 mm derivatives that led toward the T86 and T91 families.

VariantConfigurationDesignation notes
T65Original full-size rifle

Basic Type 65 rifle with M16-style sights, no carrying handle, and 5.56x45 mm M193 ammunition in early reference data.

Sources: Weaponsystems.net T65

T65K1Early improvement

Minor-detail improvement of the original rifle, including an aluminum heat guard in the forearm.

Sources: Weaponsystems.net T65

T65K2 / T68M16A2-style rifle variant

Later model using M16A2-style improvements, a squared forearm, carrying handle, and faster rifling twist for 5.56x45 mm NATO ammunition.

Sources: Weaponsystems.net T65, Modern Firearms T65 T86 T91

T65K3Carbine derivative

Carbine variant derived from the T65K2 line and visually close to the later T86.

Sources: Weaponsystems.net T65

T86Later carbine family member

Shorter carbine with a retractable stock and modular piston system that followed the T65K3 development path.

Sources: Weaponsystems.net T65, Modern Firearms T65 T86 T91

T91Successor rifle family member

Later universal rifle design with a flat-top receiver and accessory rail, developed from the same Taiwanese piston-rifle lineage.

Sources: Weaponsystems.net T65

Timeline

205th Arsenal T65 Key Events

  1. T65 development begins

    Weaponsystems.net places original T65 development in 1973-1975 as Taiwan sought a 5.56 mm replacement for M14-pattern service rifles.

    Sources: Weaponsystems.net T65

  2. Original T65 production starts

    Reference data lists T65 production beginning in 1976, with the Type 65 designation tied to Republic of China year 65.

    Sources: Weaponsystems.net T65, Modern Firearms T65 T86 T91

  3. T65K1 production context

    Small Arms Defense Journal describes the T65K1 as a 205th Arsenal improvement that reportedly began production in 1985 before being superseded by the T65K2.

    Sources: SADJ Taiwan Central America

  4. Salvadoran police transfer context

    Small Arms Defense Journal reports a 2010 Salvadoran Armed Force loan of 700 T-65K1 rifles to the National Civilian Police, part of a wider postwar transfer of Taiwanese rifles to police use.

    Sources: SADJ Taiwan Central America

  5. T65 documented in Cite Soleil clashes

    BINUH and OHCHR reported that July-December 2022 gang clashes in Brooklyn, Cite Soleil included T65 rifles among the small arms used by the gangs.

    Sources: BINUH OHCHR Cite Soleil Report

Central American Service Context

Specialist reporting places T65-family rifles in Central American security-force inventories, including Salvadoran police transfers after the civil war and Panamanian service. Those records add service-history context without changing the directly documented Haiti conflict-use row.

  • Small Arms Defense Journal reports Salvadoran military acquisition during the 1980s civil conflict and later postwar police loans.
  • The same reporting describes T65K1 and T65K2 rifles in Panamanian, Honduran, Paraguayan, and other regional security-force contexts.
  • The BINUH/OHCHR Haiti report directly names T65 rifles in the 2022 Cite Soleil gang clashes.
Media

205th Arsenal T65 Videos

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Sources

Weaponsystems.net T65Publisher: Weaponsystems.net | Note: Supports T65 identity, origin, development and production periods, 205th Arsenal developer/producer attribution, variant lineage, production estimates, and technical specifications. | Accessed: 2026-07-13Modern Firearms T65 T86 T91Publisher: Modern Firearms | Note: Supports the T65 as a Taiwanese state-arsenal 5.56 mm rifle developed to replace M14-pattern rifles, plus core dimensions, magazine capacity, rate of fire, and family progression to T86 and T91. | Accessed: 2026-07-13Taipei Times 205th Arsenal TenderPublisher: Taipei Times | Note: Supports 205th Arsenal's Ministry of National Defense Armament Bureau context and its indigenous firearms development and production role, including the T65 assault rifle. | Accessed: 2026-07-13SADJ Taiwan Central AmericaPublisher: Small Arms Defense Journal | Note: Supports Central American export/service context and T65 family background, including T65K1 and T65K2 development notes. Pre-1995 conflict claims from this article are not used for this entry's conflictUsage row. | Accessed: 2026-07-13BINUH OHCHR Cite Soleil ReportPublisher: United Nations Integrated Office in Haiti / Office of the United Nations High Commissioner for Human Rights | Note: Supports Haitian gang violence direct conflict-use: BINUH and OHCHR report witnesses, medical sources, and HNP confirmation that gangs used T65 rifles during July-December 2022 clashes in Brooklyn, Cite Soleil. | Accessed: 2026-07-13Wikimedia Commons TwT65Publisher: Wikimedia Commons | Note: Image provenance for the primary photograph of a Taiwan Type 65 assault rifle. | Accessed: 2026-07-13Forgotten Weapons Type 65 Video PagePublisher: Forgotten Weapons | Note: Supports selected YouTube video metadata and relevance for a specialist overview of the Type 65 rifle. | Accessed: 2026-07-13