Here’s a rundown of the weapons currently used by Recon Battalions:
The M4 is a direct gas impingement rifle that fires the NATO 5.56. The standard M4 barrel length is 14.5, but can be outfitted with different barrel length uppers.
The M9 Beretta is a semi-automatic pistol that fires a 9mm round.
The M40A5 is a bolt action sniper rifle chambered in 7.62mm and is built with a Remington 700 action and utilizes a McMillan fiberglass stock. These rifles are built with parts from various manufacturers by Marine Corps armorers.
The Barrett M82A3 is a magazine fed semi-automatic rifle that fires the .50 BMG round. It has a max effective range of about 1800 m.
M249 Para SAW
The M249 Para SAW (Squad Automatic Weapon) is a belt fed light machine gun chambered in 5.56 NATO. The PARA version of the machine gun features a shorter barrel and a collapsible stock.
The M110 SASS is a semi-automatic, magazine fed sniper rifle that fires the 7.62 round. It is manufactured by Knights Armament.