Here are all the standard issue weapons given to US Marines

Specifically designed for the Corps, the Beretta M9A1 is an upgrade to the M9.

The M9A1 a little heavier than the M9, and has extra features, such as a sand-resistant magazine and a Picatinny MIL-STD-1913 rail under the barrel for accessories and more.

The Colt M45A1 is .45 caliber semi-automatic pistol that the Corps started purchasing in 2012.

The Glock 19M, which the Corps named the M007 after James Bond, is a 9mm semi-automatic pistol that will slowly replace the M9.

The M1014, or Benelli M4 Super 90, is a 12-Guage shotgun developed by Italian gun maker Benelli.

The Corps began fielding shotguns during World War I to breach and clear trenches, and began fielding the Benelli M4 in 1999.

The Mossberg 500A2 is a 12-Gauge shotgun that usually comes with a five-round capacity tube.

The M16A4 shoots 5.56x45 mm rounds and is basically an M16A2, but with a removable handle and full-length quad picatinny rail.

The M4 shoots 5.56x45 mm rounds, and is a shortened version of the M16A2.

The M4A1 is an upgraded M4 with "full auto capability, a consistent trigger pull, and a slightly heavier barrel," according to Military.com.

The SAW shoots a 5.56mm round like the M4 and M16, but it's heavier and has a greater muzzle velocity and firing range.

The M27 shoots 5.56x45 mm rounds, and was adopted by the Corps in 2011. The Corps recently purchased 15,000 of them to slowly replace the M4 and SAW.

The M38 is a marksman upgrade to the M27 with a Leupold TS-30A2 Mark 4 2.5-8x36mm Mid-Range/Tactical Illuminated Reticle Scope.

The M240 fires 7.62s up to 2.31 miles away. There are multiple variants of the M240.

The M240B also shoots 7.62s, but is heavier than the M240 or M240C.

Read more about the difference in the variant specs here.

The M110 shoots a 7.62x51mm round with an effective firing range of more than 2,600 feet.

The M40A6 shoots a 7.62x51 mm round with an effective firing range of more than 2,625 feet.

The Corps announced in April that it would replace the M40 with the new Mk13 Mod 7, which shoots a .300 Winchester Magnum round with an effective firing range of more than 1,000 yards.

The M107 Special Applications Scoped Rifle, or M107 long-range sniper rifle, shoots an incredibly large 12.7x99mm round with an equally incredibly large effective firing range of more than 6,500 feet.

In 2011, a marine actually had his M107 break down during a firefight, and he called customer support to fix it.

The M2 is a .50 caliber machine gun with an effective firing range of 22,310 feet. The Corps also provides an Up-Gunned Weapons Station that fixes the M2s to vehicles.

The M2A1 is a .50 caliber machine gun and an upgrade to the M2, featuring reduced muzzle flash and reduced time to change the barrel.

The M203 shoots 40mm grenades and can be fitted under the M4 and M16, but the US military is currently phasing it out for the M320.

The M32A1 is six-round 40mm multiple grenade launcher with a maximum range of 2,625 feet with medium velocity grenades.

With a maximum range of 7,218 feet, the MK19 is a 40mm automatic grenade launcher and can mount on tripods and armored vehicles. The Corps issues two different versions: the Mod 3 and Mod 4.