SF-weapens or SpecialForces weapens can you set up by yourself. You can do that by your Persenal Jacket, and than you clic on weapens. there you can chose you sight, a bipod, a grenade launcher or a flare launcher. Than you have also a heatshield.
Here is more explanation.
-Aimpoint sight: It's a red dot reflex sight designed for operations in close quaters environment. -Grenade launcher: It delivering explosive ordnance at distances beyond 200 meters. -Flare launcher: It delivering explosive ordnance at distances beyond 200 meters, lasting for roughly 12 seconds. This mod is only available SFRecon. -Bipod: The Harris bipod allows the weapen to be supported adding stability accuracy when shooting from a prone position. -Heatshield: Protects operator's hands for heat dissipation and covers the real system while not in use.
Before you can handle the sniper rifles you must do the training "Adv.Marksmanship". Bur first you must have 36/40 or higher on you basic training. Than you can begin the training "Adv.Marksmanship". With you last bullet you must hit a white stone. Look out you have only one bullet to hit him. With the M82 is it execly the same. If you have completed the training can you handle the rifles.