57mm S-68

# BR-281U

Type
: APHECBC

## [Projectile](/md/rv/shells/57mm-s-68-br-281u.md#projectile)

Mass
: 2.8 kg

Velocity
: 1,000 m/s

Max penetration
: 151 mm

Projectile diameter
: 57 mm

Ricochet angle
: 71°

Rounds per minute
: 120/min

Angular dispersion (1σ)
: 1.75 mrad

## [Damage](/md/rv/shells/57mm-s-68-br-281u.md#damage)

Max damage
: 364 HP

Humanoid damage
: 300 HP

Explosive mass
: 0.02 kg

Explosion radius

This is the radius of the explosion, and not the kill radius. Drop-off applies in-game
: 6.568 m

Kill radius

This is the maximum distance from the center of the explosion where humanoid death is guaranteed
: 0.434 m

## [Penetration](/md/rv/shells/57mm-s-68-br-281u.md#penetration)

| Distance/Angle | 0°     | 30°    | 60°   |
| -------------- | ------ | ------ | ----- |
| 0 m            | 151 mm | 126 mm | 62 mm |
| 100 m          | 147 mm | 122 mm | 60 mm |
| 500 m          | 132 mm | 109 mm | 54 mm |
| 1,000 m        | 115 mm | 95 mm  | 47 mm |
| 2,000 m        | 87 mm  | 72 mm  | 35 mm |

## [Vehicles with this shell](/md/rv/shells/57mm-s-68-br-281u.md#vehicles)

- [MT-LB AA](/md/rv/vehicles/mt-lb-aa.md)
- [ZSU-57-2](/md/rv/vehicles/zsu-57-2.md)