Buk-M3

Russia’s latest tracked medium-range surface-to-air missile system — a 6-missile canisterized TELAR that brings active-radar fire-and-forget interceptors up to 70 km, thickening the lower tier of Moscow’s integrated air defense.

Overview

The Buk-M3 (GRAU 9K317M, NATO reporting name SA-27 “Gollum”) is the most advanced variant of the Buk family, a road-mobile medium-range SAM that has formed a core layer of Russian ground-based air defense since the Soviet era. Developed by Almaz-Antey and fielded primarily with the Russian Aerospace Forces, the M3 replaces the exposed-rail launchers of earlier Buks with a six-missile canisterized transporter-erector-launcher-and-radar (TELAR) and introduces an active-radar seeker, enabling genuine fire-and-forget engagements against aircraft, cruise missiles, tactical ballistic missiles, PGMs and drones.

Development

Almaz-Antey began development of the Buk-M3 in the early 2010s as a comprehensive modernization of the 9K37M1-2/M2 lineage. The system first appeared in state testing around 2013 and formally entered service with the Russian Ground Forces circa 2016, according to Army Recognition. The jump from the Buk-M2 (SA-17 “Grizzly”) to the M3 was substantial: a completely redesigned TELAR with six containerized missiles instead of four exposed rails, a new phased-array engagement radar, and the all-new 9M317M/9R31M interceptor family. NATO assigned the reporting name “Gollum” to differentiate the M3 from the older Grizzly, as recorded in the NATO reporting names list.

Design & capabilities

The Buk-M3 TELAR (9A317M) carries six vertically canisterized 9M317M or 9R31M missiles, doubling the ready-fire load of earlier Buks and protecting the missiles from weather and fragment damage. Each TELAR integrates its own phased-array engagement radar, allowing a single vehicle to track and engage up to six targets independently; a full battalion complex can reportedly handle up to 36 simultaneous targets. The 9M317M/9R31M interceptor uses an inertial navigation system with mid-course datalink correction and a terminal active-radar seeker, giving it a true fire-and-forget capability, a departure from the semi-active radar homing of previous Buks. Army Recognition lists an engagement envelope of 2.5–70 km range and altitudes from ~15 m up to 35 km, with a target speed capability up to 3,000 m/s. The tracked GM-569 chassis provides cross-country mobility and the system can emplace and begin firing within minutes of halting.

Combat record / operational use

The Buk-M3 made its confirmed operational debut in Ukraine in 2022, with The War Zone reporting its presence with Russian forces conducting medium-range air defense. While the M3 itself carries no historically notorious incident, the Buk family’s most infamous event remains the 17 July 2014 shoot-down of Malaysia Airlines Flight MH17 over eastern Ukraine, which the Dutch-led Joint Investigation Team attributed to a Buk-M1-type TELAR, as documented on Wikipedia. In the ongoing war, open-source intelligence has visually confirmed the destruction of multiple Buk-series TELARs — a reflection of the attrition suffered by all Russian medium-range air-defense assets under the pressure of Ukrainian stand-off strikes and loitering munitions.

Advantages

• Active-radar fire-and-forget missiles reduce reliance on continuous target illumination and allow rapid salvo fire.
• Six-missile canisterized TELAR doubles ready-fire capacity over older Buks and simplifies logistics.
• Phased-array radar per TELAR enables autonomous multi-target engagement, with a battalion-level claim of up to 36 simultaneous targets.
• High-speed target capability (up to ~3,000 m/s) gives the M3 a genuine anti-ballistic potential against short-range tactical missiles.
• Tracked chassis and quick emplacement preserve the mobile, forward-deployment ethos of the Buk family.

Drawbacks / limitations

• The tracked chassis, while mobile, limits road speed and strategic repositioning compared to wheeled systems like the Pantsir-S1.
• The per-TELAR engagement radar, while advanced, is a single point of failure for each vehicle’s fire-control loop and makes the vehicle a high-value target for loitering munitions.
• The 9M317M interceptor is relatively new; stockpile depth and production ramp-up in wartime remain uncertain.
• Like all medium-range SAMs, the Buk-M3 is vulnerable to saturation attacks and must operate in concert with short-range air defenses to survive in a drone-rich environment.
• Russian air-defense losses in Ukraine show that even modernized Buks are not immune to stand-off strike (ATACMS, GMLRS, FPV drones).

Counterparts

• Patriot PAC-3 (USA)
• HQ-16 (China)

Outlook

The Buk-M3 remains the most capable medium-range SAM in the Russian inventory and a critical component of the layered air-defense umbrella over occupied Ukraine. Production continues, but the war’s attrition of both legacy and modern Buk systems raises persistent questions about long-term fleet replacement rates. As NATO fields increasing numbers of long-range precision fires, the M3’s survivability will depend less on its interceptor performance and more on the integration of counter-UAS and electronic-warfare escorts that can blunt the cheap-drone threat.

Key specifications

Sources

1. Army Recognition — Buk-M3 Viking 9K317M (SA-27) Technical Data Sheet. https://armyrecognition.com/military-products/army/air-defense-systems/air-defense-vehicles/buk-m3-9k317m-medium-range-air-defense-missile-system-technical-data-sheet-specifications-11312154
2. The War Zone — Russia’s New Buk-M3 Air Defense Missile System Now Appears To Be In Ukraine. https://www.twz.com/44866/russias-new-buk-m3-air-defense-missile-system-now-appears-to-be-in-ukraine
3. Wikipedia — Buk missile system. https://en.wikipedia.org/wiki/Buk_missile_system
4. Wikipedia — List of NATO reporting names for surface-to-air missiles. https://en.wikipedia.org/wiki/List_of_NATO_reporting_names_for_surface-to-air_missiles