2A90 (57 mm)/Ammunition

Shell parameter names are: BR-281, OR-281U, 3UBM22, 3UO8

Penetration statistics
Ammunition	Type of warhead	Penetration @ 0° Angle of Attack (mm)
		10 m	100 m	500 m	1,000 m	1,500 m	2,000 m
BR-281U	APCBC	151	147	132	114	100	87
OR-281U	HE*	17	17	15	13	11	10
3UBM22	APFSDS	225	221	209	193	177	161
3UO8	HE-VT*	17	17	15	13	11	10

Shell details
Ammunition	Type of warhead	Velocity (m/s)	Projectile mass (kg)	Fuse delay (m)	Fuse sensitivity (mm)	Explosive mass (TNT equivalent) (g)	Ricochet
							0%	50%	100%
BR-281U	APCBC	1,000	2.8	1.2	9	20.02	48°	63°	71°
OR-281U	HE*	1,000	2.8	0.4	0.1	235.62	79°	80°	81°
3UBM22	APFSDS	1,500	0.95	-	-	-	78°	80°	81°

Proximity-fused shell details
Ammunition	Type of warhead	Velocity (m/s)	Projectile mass (kg)	Fuse delay (m)	Fuse sensitivity (mm)	Arming distance (m)	Trigger radius (m)	Explosive mass (TNT equivalent) (g)	Ricochet
									0%	50%	100%
3UO8	HE-VT*	1,000	2.8	0.1	0.1	500	6	231	79°	80°	81°