The M14 DMR is the standard rifle of USMC marksmen, and is also used by Force Recon sniper Staff Sergeant Randall "Ice Cold" Sykes.
The M24 Sniper Weapon System is a weapon that returns from ArmA: Combat Operations. In the Operation Arrowhead expansion, A desert-camouflaged M24 is the standard U.S Army sniper rifle.
The Remington M40A3 rifle, camouflaged with Ghille material, is the standard weapon for USMC snipers. Besides the aesthetic differences, the weapon is otherwise identical in performance to the M24.
British snipers in the British Armed Forces DLC use the Accuracy International L115A3 LRR as their standard sniper rifle.
The Mk 12 Mod 0 SPR rifle is used by USMC Force Recon marksmen.
U.S Army Special Forces soldiers can use the KAC M110 SASS in the Operation Arrowhead expansion. It is only available in Night Vision and Thermal scope variants, and features a Magpul PRS stock.
The Barrett M107 is used by USMC anti-material snipers. In Operation Arrowhead, a new variant of the M107 with a thermal weapon sight is available to U.S Army snipers.
The Accuracy International AS50 is used by British anti-material snipers in the British Armed Forces DLC. In reality, the AS50 is not in British service, although the Barrett M82A1 (as the L82A1) and the AW 50 (as the L121A1) are used by the British Royal Marine Commandos and the Special Air Service, respectively.
The SVD Dragunov is available either in standard or camouflaged configurations and is used by all of the Chernarussian factions along with the Russian military. In Operation Arrowhead, a variant of the SVD with NSPU night vision optics is used by Takistani night ops soldiers.
The suppressed VSS Vintorez sniper rifle is used by Russian Spetznaz and MVD units.
Russian anti-material snipers use the KSVK sniper rifle.
The Czech-designed, Mauser based CZ-550 hunting rifle is used by ChDKZ guerrillas, NAPA insurgents and civilian hunters.