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M230 30mm Chain Gun

The M230 is a single barrel, externally powered, electrically fired, chain driven weapon used on the Apache helicopters. It fires 30mm linkless ammunition.
M230 30mm Chain Gun

M230A1 30mm Chain Gun

Contractors

Designed by: Hughes
Manufactured by: Alliant Techsystems Inc.

Characteristics

Dimensions
Length: 167.64 centimeters 66 inches
Bore diameter: 30 millimeters 1.18 inches
Weight
Weight: 57.61 kilograms 127 pounds
Features
Caliber: 30×113 millimeter
Rate of fire: 625 ± 25 shots per minute
Ammunition capacity: 1 200 rounds
Feed: linear linkless

M230LF 30mm Chain Gun

The 30mm M230LF is a more capable version of the 30mm cannon featured on the Apache helicopter. The M230LF boasts a DC drive motor, an anti-hangfire system, extended-length barrel for enhanced muzzle velocity and a delinking feeder that allows the use of linked ammunition. The M230LF is ideal for use on ground vehicles and patrol boats as well.

Contractor

Manufactured by: Orbital ATK

Characteristics

Dimensions
Overall length: 218.11 centimeters 85.87 inches
Barrel length: 120.22 centimeters 47.33 inches
Height: 28.88 centimeters 11.37 inches
Width: 27.72 centimeters 10.915 inches
Bore diameter: 30 millimeters 1.18 inches
Weight
Overall weight: 72.57 kilograms 160 pounds
Receiver weight: 34.47 kilograms 76 pounds
Feeder weight: 17.69 kilograms 39 pounds
Barrel weight: 20.41 kilograms 45 pounds
Features
Caliber: 30×113 millimeter
Rate of fire: 200 rounds per minute
Recoil (ground vehicle): 28 022 Newtons 6 300 pounds
Recoil (naval vessel): 7 339 Newtons 1 650 pounds
Power required: 1 horsepower
Clearing method: Cook off safe, open bolt
Safety: Absolute hangfire protection
Case ejection: Side