Ch-51M (57 mm)

Description

The 57 mm Ch-51M is a Soviet tank cannon.

Vehicles equipped with this weapon

• ASU-57

General info

The Ch-51M has a very limited gun depression and traverse angles due to the small size of the ASU-57. However, the gun itself has a fairly short reload time.

Available ammunition

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-271SP	APBC	142	139	125	109	96	84
BR-271M	APCBC	155	151	135	118	102	89
O-271	HE	12	12	10	8	6	5
BR-271N	APCR	159	155	140	123	108	94

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-271SP	APBC	975	3.14	-	-	-	48°	63°	71°
BR-271M	APCBC	1,020	2.8	1.2	9	20.02	48°	63°	71°
O-271	HE	695	3.72	0.4	0.1	220	79°	80°	81°
BR-271N	APCR	1,125	2.4	-	-	-	66°	70°	72°

Comparison with analogues

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Usage in battles

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Pros and cons

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History

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Media

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See also

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External links

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