Profile
- Origin
- Soviet Union
- Built by
- Soviet munitions industry
- Type
- 85 mm AP-T complete round
- Service note
- Postwar Soviet 85 mm ammunition tables
Munitions
85 mm BR-365K AP round
Also known as
- UBR-365K
- UBR-365K AP-T round
The BR-365K is a Soviet 85 mm AP-T complete round used by the D-44 and related Soviet 85 mm gun family. Tank Archives' D-44 ballistic tables identify the sharp-tipped BR-365K AP round at 800 m/s, while WW2 Equipment Data describes the matching UBR-365K complete round with an MD-8 fuze and a small high-explosive base cavity.
Profile / Specs
Specifications
- Caliber
- 85 mm
- Complete round designation
- UBR-365K
- Projectile designation
- BR-365K
- Round type
- AP-T complete round
- Muzzle velocity
- 800 m/s
- Dispersion at 1,000 m
- 0.3 x 0.4 m
- Complete round weight
- 15.87 kg
- Projectile weight
- 9.2 kg
- Propellant weight
- 2.48 kg
- Fuze
- MD-8
- Projectile filler
- Small high-explosive base cavity
- Target set
- Tanks, armored trains, armored or reinforced concrete structures
Firing Guns
Tank Archives and WW2 Equipment Data both place BR-365K in the Soviet 85 mm gun family used by the D-44.
| Firing weapon | Weapon type | Firing evidence |
|---|---|---|
 | 85 mm divisional gun | Tank Archives' D-44 ballistic tables list the sharp-tipped BR-365K AP round in the gun's ammunition set, and WW2 Equipment Data identifies the same UBR-365K complete round with an MD-8 fuze. Sources: Tank Archives: D-44 Ballistic Tables, WW2 Equipment Data Soviet Explosive Ordnance - 85mm and 100mm Projectiles |
Ballistic Table Notes
The published references line up on the same 85 mm family round, but they emphasize different details: Tank Archives focuses on ballistic performance, while WW2 Equipment Data focuses on the complete-round designation and target set.
| Field | Value | Source |
|---|---|---|
| Complete round | UBR-365K | WW2 Equipment Data Soviet Explosive Ordnance - 85mm and 100mm Projectiles |
| Projectile | BR-365K | WW2 Equipment Data Soviet Explosive Ordnance - 85mm and 100mm Projectiles |
| Muzzle velocity | 800 m/s | Tank Archives: D-44 Ballistic Tables |
| Dispersion at 1,000 m | 0.3 x 0.4 m | Tank Archives: D-44 Ballistic Tables |
| Target set | Tanks, armored trains, armored or reinforced concrete structures | WW2 Equipment Data Soviet Explosive Ordnance - 85mm and 100mm Projectiles |
Service And Conflict Use
Service History
- In service
- Documented in Tank Archives' D-44 ballistic tables and WW2 Equipment Data's Soviet 85 mm projectile reference.
Media
85 mm BR-365K AP round Images
Related Weapon Systems
Sources
Tank Archives: D-44 Ballistic TablesPublisher: Tank Archives | Note: Supports the BR-365K sharp-tipped AP round entry, its 800 m/s muzzle velocity, and its 0.3 x 0.4 m dispersion at 1,000 m in the D-44 ballistic-table context. | Accessed: 2026-06-27WW2 Equipment Data Soviet Explosive Ordnance - 85mm and 100mm ProjectilesPublisher: WW2 Equipment Data | Note: Supports the UBR-365K complete-round designation, the BR-365K AP-T projectile, MD-8 fuze, projectile fill context, target set, and image provenance for the round image used here. | Accessed: 2026-06-27