127 mm shipboard automatic gun

Also known as

127 mm main gun

North Korea's 127 mm shipboard automatic gun serves as the Choe Hyon destroyer's main gun and was shown firing during April 2025 weapons tests.

127 mm shipboard automatic gun, 127 mm naval gun, Artillery

Image source: Naval News: Heavily Armed Missile Destroyer Joins North Korean Navy

Profile / Specs

Profile

Origin: North Korea
Built by: Not publicly identified
Type: 127 mm naval gun

artillery naval

Specifications

Caliber: 127 mm
Role: Shipboard main gun
Documented firing: Shown firing during April 2025 weapons tests
Platform: Choe Hyon destroyer

Documented Platform

This gun was publicly shown firing from the Choe Hyon destroyer during April 2025 test activity.

Firing weapon

Weapon type

Firing evidence

Choe Hyon destroyer, Guided-missile destroyer, Naval Systems

Choe Hyon destroyer

Guided-missile destroyer

Naval News captioned a test image as Choe Hyon firing the 127 mm main gun, and the article describes the April 2025 weapons testing.

Sources: CSIS: North Korea Launches the Choe Hyon Guided Missile Destroyer, Naval News: Heavily Armed Missile Destroyer Joins North Korean Navy, The Maritime Executive: North Korea Vows to Build Third Destroyer in Next 14 Months

Media

127 mm shipboard automatic gun Images

127 mm shipboard automatic gun, 127 mm naval gun, Artillery - view 1 — Source: Naval News: Heavily Armed Missile Destroyer Joins North Korean Navy

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Sources

CSIS: North Korea Launches the Choe Hyon Guided Missile DestroyerPublisher: Center for Strategic and International Studies | Note: Supports the 127mm main gun identification on Choe Hyon and the April 2025 test-firing context. | Accessed: 2026-06-27 Naval News: Heavily Armed Missile Destroyer Joins North Korean NavyPublisher: Naval News | Note: Supports the 127 mm main gun identification, April 2025 firing test context, and image provenance. | Accessed: 2026-06-27 The Maritime Executive: North Korea Vows to Build Third Destroyer in Next 14 MonthsPublisher: The Maritime Executive | Note: Supports the 127 mm shipboard automatic gun firing-test context and the gun's public identification on Choe Hyon. | Accessed: 2026-06-27