5.56X45MM BALL CARTRIDGE
This standard military rifle cartridge is engineered for reliable ballistic performance in modern assault rifles. Featuring a brass casing and a copper-jacketed bullet with a distinctive green tip, the round incorporates a steel penetrator for enhanced effectiveness against certain targets. Designed for accuracy, penetration, and consistency, it remains a widely used ammunition type in military operations worldwide.
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5.56X45MM BALL CARTRIDGE |
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DESCRIPTION |
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This cartridge is designed for use against personnel and unarmored targets. It is chambered in 5.56 x 45 mm and has a barrel twist rate of 1:12 inches. |
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The cartridge is identifiable by its standard bullet head. The primer ring and the inside of the cartridge muzzle are coated with a suitable waterproofing material. |
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This specific round is distinguished by several key characteristics: |
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Green-Tipped Bullet: |
The green paint on the tip indicates that it is an M855 "Penetrator" round. |
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Construction: |
It features a 62-grain full metal jacket (FMJ) bullet with a lead core and a small steel penetrator tip. |
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Purpose: |
Originally designed for military use in rifles like the M16 and M4 carbine, it provides enhanced penetration against hard targets compared to standard lead-core rounds. |
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Performance: |
It typically has a muzzle velocity of approximately 3,025 to 3,260 feet per second. |
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TECHNICAL INFORMATION |
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Caliber |
5.56 x 45 mm |
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Bullet type |
BALL |
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Bullet mass |
4 g/62 gr |
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Cartridge mass |
12.1 g |
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Cartridge Length |
Max 57.40 mm |
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Bullet Extraction |
min 200 N |
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Bullet Length |
max 23.5 mm |
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Bullet Diameter |
max 5.70 mm |
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Bullet Jacket |
Gilding metal (CuZn10) |
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Bullet Core |
Lead/Antimony and steel |
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Velocity |
915 ± 12 m/s at 24 m |
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Standard deviation of the velocities |
≤ 12 m/s |
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Primer |
Small rifle, Non-corrosive, Non-mercuric, Boxer |
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Muzzle energy |
≥ 1730 J |
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Temperature range |
-54°C to +52°C |
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Propellant |
Smokeless, Double-base powder |
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Water strength 50 kPa / 30s |
≥ 85% of cartridges |
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Case type |
5.56 x 45 mm, Boxer |
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Case weight |
approx. 6.2 g |
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Case length |
max 44.70 mm |
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Case materia |
Brass (CuZn 30) |
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Accuracy, SDX, SDY |
max 36 mm at 100 m max 200 mm at 550 m |
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