122 mm 9M521 Grad rocket

Also known as

9M521
122 mm 9M521
9M521 Grad rocket
Shrapnel-flag shell 9M521

The 122 mm 9M521 Grad rocket is a Soviet-origin extended-range high-explosive fragmentation rocket for Grad-family launchers. Missilery lists a 66 kg projectile, 21 kg warhead, 2,840 mm length, and up to 40 km range, while CAT-UXO describes it as a Russian 122 mm Grad rocket with an enhanced HE-frag warhead.

122 mm 9M521 Grad rocket, High-explosive fragmentation rocket, Munitions

Image source: Shrapnel-flag shell 9M521

Profile / Specs

Profile

Origin: Soviet Union / Russia
Built by: NPO Splav
Type: High-explosive fragmentation rocket

rocket unguided he-fragmentation

Specifications

Caliber: 122 mm
Projectile mass: 66 kg
Warhead mass: 21 kg
Length: 2,840 mm
Range: Up to 40 km
Fragments: 1,000 pre-fragmented and 2,440 semi-ready fragments
Warhead: Enhanced HE-frag warhead

Launch Platforms

CAT-UXO and Missilery place the 9M521 in the Grad launcher family.

Launcher

Launcher type

Launch evidence

BM-21 Grad, 122 mm multiple rocket launcher, Artillery

122 mm multiple rocket launcher

CAT-UXO identifies the 9M521 as a Grad rocket, linking it to the BM-21 family.

Sources: CAT-UXO 122mm 9M521 Grad rocket

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Sources

CAT-UXO 122mm 9M521 Grad rocketPublisher: CAT-UXO | Note: Supports identification of the 9M521 as a Grad rocket with an enhanced HE-frag warhead and 21 kg warhead section. | Accessed: 2026-06-27 Shrapnel-flag shell 9M521Publisher: Missilery.info | Note: Supports 9M521 projectile mass, warhead mass, length, range, fragment counts, and image provenance. | Accessed: 2026-06-27 Analysis of a modernized 9K51 Hrad Multiple Rocket Launcher SystemPublisher: OUCI | Note: Supports NPO Splav and co-operating enterprises developing the 9M521 family for a foreign customer. | Accessed: 2026-06-27