Mon, Jan 12, 2026 page1

• Marine Corps unit receives M4A1 rifles, source says

  PREPAREDNESS: Given the difficulty of importing ammunition during wartime, the Ministry of National Defense said it would prioritize ‘coproduction’ partnerships

  • Staff writer, with CNA
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  A newly formed unit of the Marine Corps tasked with land-based security operations has recently replaced its aging, domestically produced rifles with more advanced, US-made M4A1 rifles, a source said yesterday.

  The unnamed source familiar with the matter said the First Security Battalion of the Marine Corps’ Air Defense and Base Guard Group has replaced its older T65K2 rifles, which have been in service since the late 1980s, with the newly received M4A1s.

  The source did not say exactly when the upgrade took place or how many M4A1s were issued to the battalion.

  

  A US soldier uses an M4A1 assault rifle with a grenade launcher in an undated photograph.

  Photo: AFP

  The confirmation came after Chinese-language media reported the upgrade of the rifles used by the Marine Corps battalion and published photos showing marines holding M4A1s.

  The Air Defense and Base Guard Group’s First Security Battalion was established on Nov. 14 last year, as part of a structural reform of the Marine Corps.

  The battalion is made up mainly of conscripts serving one-year compulsory service, and its main task is to provide security for land-based missile and radar crews, ensuring their mobility throughout the mission and the safety of their positions.

  A second security battalion of the same type is expected to be formed later this year, the source said.

  Su Tzu-yun (蘇紫雲), a research fellow at the government-funded Institute for National Defense and Security Research, said he believes this batch of M4A1s was acquired under the Foreign Military Financing programs approved during former US president Joe Biden’s term.

  The M4A1 has a shorter barrel than the T65K2 rifles, giving it better handling and maneuverability, Su said, adding that it also features a Picatinny rail system that allows for accessory attachments, including a combat optical gunsight.

  Separately, the Ministry of National Defense in its latest written report to the Legislative Yuan said that, given the difficulty of supplying ammunition by sea and air during wartime, it would continue to deepen cooperation with allies and partners, introduce technologies, and negotiate the establishment of “coproduction” partnerships to build local ammunition production lines and reduce reliance on external supplies.

  Regarding channels for acquiring ammunition, the ministry said its objectives are to “meet combat training needs, prioritize domestic production, and maintain defense self-reliance capabilities.”

  Procurement would primarily be commissioned through the Armaments Bureau and the Chungshan Institute of Science and Technology, supplemented by foreign military sales and commercial purchases, with multiple channels pursued in parallel, it said.

  Due to the impact of the international situation, procurement of critical components for drones has become difficult, the report said.

  For explosives required in the production of uncrewed aerial vehicles and surface vessels, the ministry said it has planned to establish multiple sources of supply.

  To cope with high consumption during wartime, it also plans to expand production lines for various types of ammunition, propellants and explosives, thereby increasing domestic self-sufficiency in production capacity, the ministry said.

  Additional reporting by Fan Wei-li
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