Unleash the firepower of the US Marine Corps arsenal with this in-depth look at their 10 most lethal weapons. From precision-guided missiles to high-caliber machine guns, explore the cutting-edge technology and combat-proven firepower that make the Marines a force to be reckoned with on the battlefield.
The United States Marine Corps (USMC) is one of the most elite and respected branches of the US military. Known for their bravery, skill, and unwavering commitment to protecting American interests, the Marines are equipped with some of the most advanced and deadly weapons in the world. In this article, we'll take a closer look at 10 lethal weapons of the US Marine Corps.

1. M4A1 Carbine
The M4A1 carbine is a versatile and reliable rifle that has been a staple of the USMC for over two decades. Chambered in 5.56x45mm NATO, this compact and lightweight rifle is ideal for close-quarters combat and is widely used by Marine infantry units.

Key Features:
- Caliber: 5.56x45mm NATO
- Barrel Length: 14.5 inches
- Weight: 6.5 pounds
- Effective Range: 500 meters
2. M27 Infantry Automatic Rifle (IAR)
The M27 IAR is a lightweight and compact automatic rifle designed to provide suppressive fire in support of Marine infantry units. Chambered in 5.56x45mm NATO, this rifle is capable of firing in both semi-automatic and fully automatic modes.

Key Features:
- Caliber: 5.56x45mm NATO
- Barrel Length: 16.5 inches
- Weight: 7.9 pounds
- Effective Range: 600 meters
3. M249 Squad Automatic Weapon (SAW)
The M249 SAW is a belt-fed machine gun designed to provide sustained suppressive fire in support of Marine infantry units. Chambered in 5.56x45mm NATO, this machine gun is capable of firing up to 750 rounds per minute.

Key Features:
- Caliber: 5.56x45mm NATO
- Barrel Length: 18 inches
- Weight: 22 pounds
- Effective Range: 1,000 meters
4. M240 Machine Gun
The M240 machine gun is a versatile and reliable machine gun designed to provide sustained suppressive fire in support of Marine infantry units. Chambered in 7.62x51mm NATO, this machine gun is capable of firing up to 650 rounds per minute.

Key Features:
- Caliber: 7.62x51mm NATO
- Barrel Length: 24.8 inches
- Weight: 27.6 pounds
- Effective Range: 1,200 meters
5. M2.50-Caliber Machine Gun
The M2.50-caliber machine gun is a heavy machine gun designed to provide long-range suppressive fire in support of Marine infantry units. Chambered in.50 BMG, this machine gun is capable of firing up to 550 rounds per minute.

Key Features:
- Caliber:.50 BMG
- Barrel Length: 45 inches
- Weight: 38 pounds
- Effective Range: 2,000 meters
6. Mk 19 Grenade Launcher
The Mk 19 grenade launcher is a belt-fed grenade launcher designed to provide high-explosive firepower in support of Marine infantry units. Chambered in 40x53mm, this launcher is capable of firing up to 325 rounds per minute.

Key Features:
- Caliber: 40x53mm
- Barrel Length: 17.7 inches
- Weight: 32.5 pounds
- Effective Range: 1,500 meters
7. M136 AT4 Anti-Tank Missile
The M136 AT4 anti-tank missile is a portable and lightweight missile designed to provide anti-tank firepower in support of Marine infantry units. Chambered in 84mm, this missile is capable of penetrating up to 300mm of armor.

Key Features:
- Caliber: 84mm
- Length: 40 inches
- Weight: 14.7 pounds
- Effective Range: 300 meters
8. M141 Bunker Defeat Munition
The M141 bunker defeat munition is a lightweight and portable rocket designed to provide breaching capabilities in support of Marine infantry units. Chambered in 83mm, this rocket is capable of penetrating up to 300mm of armor.

Key Features:
- Caliber: 83mm
- Length: 24 inches
- Weight: 9.9 pounds
- Effective Range: 150 meters
9. M224 Mortar
The M224 mortar is a lightweight and portable mortar designed to provide high-explosive firepower in support of Marine infantry units. Chambered in 60mm, this mortar is capable of firing up to 20 rounds per minute.

Key Features:
- Caliber: 60mm
- Barrel Length: 20 inches
- Weight: 60 pounds
- Effective Range: 3,500 meters
10. FGM-172 SRAW
The FGM-172 SRAW is a lightweight and portable missile designed to provide anti-tank firepower in support of Marine infantry units. Chambered in 84mm, this missile is capable of penetrating up to 600mm of armor.

Key Features:
- Caliber: 84mm
- Length: 42 inches
- Weight: 21.5 pounds
- Effective Range: 600 meters
US Marine Corps Weapons Gallery











These 10 lethal weapons of the US Marine Corps are just a few examples of the many advanced and deadly systems used by the Marines to protect American interests and defeat enemy forces. Whether it's providing suppressive fire, breaching enemy strongpoints, or taking out enemy tanks, these weapons are essential to the success of Marine infantry units on the battlefield.
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